Eyewitness Testimony In Children

Eyewitness Testimony In Children Memory is not reliable; memory can be altered and adjusted. Memory is stored in the brain just like files stored in a cabinet, you store it, save it and then later on retrieve and sometimes even alter and return it. In doing so that changes the original data that was first stored. Over time memory fades and becomes distorted, trauma and other events in life can cause the way we store memory to become faulty. So when focusing on eyewitnesses, sometimes our memory will not relay correct information due to different cues, questioning, and trauma and so forth, which makes eyewitness even harder to rely on. Although memory is highly unreliable and hence affects the validity of eyewitness it is still applied in the criminal justice system. Jurors are significantly inclined to believe and follow eyewitness evidence; this is quite unnerving because the criminal justice system, laboratory studies and field studies supports the conclusion that eyewitnesses regularly make errors. A vast amount of studies have found that eyewitness misidentifications are the most common cause of wrongful convictions and by using forensic DNA testing, they have found that this have accounted for more convictions of innocent persons than all other factors combined (Innocence Project, 2009; Wells, Memon, Penrod, 2006). Social scientists and members of the legal profession have turned their attention to whether they can rely on the ability of young children to provide accurate eyewitness testimony. They have focused on many cases relying on evidence provided by child witnesses, some of these cases are those of physical or sexual abuse. These have helped bring to the front issues relating to the accuracy and reliability of such eyewitness reports (Ceci Bruck, 1993). As a result there has been a related increase of scientific studies of childrens eyewitness competences, with results indicating that very young children perform significantly worse than younger adults. In line-up identification studies, young children perform at a similar level to young adults when the line-up presented contains the actual culprit but commit more false identifications when it does not (Pozzulo Lindsay, 1998). There are number of reasons behind why a child will provide more incorrect eyewitness information, some of these reason are: misleading suggestions by the interviewer, false memories, sexual or some other form of abuse, the presence of someone in authority such as uniform police, attention or lies. Many things may render the allegations made by children as unreliable. First, Researchers believe that children make the assumption that an adult would not provide the task if the target was not present, so when the children are presented with the line-up array it suggests to the children that the adult expects them to choose someone from the line-up. Therefore the children then will choose someone to avoid either disappointing the adult and at the same time avoiding to admit to uncertainty, or they may even choose someone that looks similar to the target they have seen before. They have also noted that young children may feel pressured to make identification regardless of whether the perpetrator is in fact recognised at all. According to (Davies 1996) the reason children turn towards choosing in identification line-ups is due to feeling pressured or being required to respond to questions regardless to the fact if the target is present or absent. This is also supported by the study by Pozzulo and Lindsay (1997), and they noted that due to the fact that adults are seen as an authority figure or a person to be respected and of status, children fail to realize that I do not know is an available option as a response and so they are less inclined to respond using I do not know and so may be less likely to use it in comparison with adults, whereas adults may not feel that pressure of having another adult present and will not feel that they have done something wrong by admitting that they are not certain of the target. As mentioned before it is acknowledged that there is a growing number of case studies evidently reveal that mistaken identifications made by child witnesses contribute to a failure to achieve justice. This can be seen in many examples such as, Gene Bibbins served 15 years of a life sentence after being convicted based primarily on a mistaken identification made by a 13-year-old victim; Jimmy Ray Bromgard served 14 years of a 40-year sentence based on a mistaken identification made by an 8-year-old victim; Danny Brown served 18 years of a life sentence after being convicted based on a mistaken identification made by a 6-year-old eyewitness; and Larry Youngblood served 9 years of a 10-year sentence based on a mistaken identification made by a 10-year-old victim. DNA evidence has afterwards proven the innocence of all these persons. So after seeing all these false identifications and wrongly accused persons it is unclear as to why the criminal justice system continues to rely on this me thod. Another reason why young childrens memory recall is unreliable is that they lack some sort of understanding of what information needs to be provided in response to questions that are open-ended (Saywitz Snyder, 1996). In the UK a huge number of line-up identifications involving children are carried out by police officers wearing uniform. Researchers carried out a study examining the possibility that wearing a uniform contributes an authority figure cue that affects a childs ability in some way to make accurate eyewitness identifications. They carried out a study where sixty participants aged 9-10 years old would witness a staged crime and were later on be asked to identify the criminal from a line-up. They used four conditions in order to do so, this was a two (2) (uniform: present vs. absent) ÃÆ'- two (2) (target: present vs. absent) design. They found that children in the uniform present conditions made significantly more choices than children in the uniform absent conditions. More significantly they found that in the presence of a uniform, children made more significant false identifications in target-absent line-ups. This therefore suggests that the children experienced uncertainty if the tar get was absent from the line-up and this may be because they were looking to some authority figure to somehow ensure them that the possibility of the burglar being present was high, but this uncertainty was not expressed when the line-up administrator wore a uniform because the that authority figure was present, leading to an increase in false identifications. It was also found that children feel that they are helping the police, and in the eyes of children this will be deemed as something highly important and so they will not want to disappoint them in any way. They also assume that the police may have already arrested the guilty persons and need some final confirmation to be able to convict them (informational influence; cf. Steblay, 1997). Therefore in some way they have relied on the police and believe that no mistake was made. The heightened levels of uncertainty and stress in the target-absent condition could be interpreted as that they may be failing to make a proper the identification as there was nobody who they may have been assisting such as the police or an adult and at the same time found no one who matched their memory of the target. Trying to appear knowledgeable they would then have lowered their identification threshold and therefore wrongly identify someone. Another point looked at on why children give false recollections can be looked at in terms of sexual abuse and the relation between stress and the childrens memory when asked to recall the traumatic event. First, it may be that children made false accusations from the beginning and was aware of it all along. If that was the case then this implies that they did not form false memories, unlike what many researchers would have claimed (Ceci Bruck, 1993). Instead, the children would have been lying to please the adults or may have even been trying to seek attention. It was found that where they may have promoted lies and not false memories the children who later on, as adults, withdrew their claims. So now inferences are important because these withdrawals of their claims would mean that childrens memory flexibility was not as great as were the adult social pressures applied to the children. There were however some of the children who still held to their original charges of child sexual abuse. As well, for those who may have indeed experienced a sexual or physical traumatizing event their memory may become terribly inaccurate from the stress they had experienced, stress causes a person to see things and recall them in many incorrect ways. Even if left to calm down for sometimes or some weeks the memory can be even more lost to the correct information, in that the child can suppress the memories and recall them in ways to make them feel better or to remove the guilt and pain caused by the event. Recent research by (Alexander et al., 2005; Widom Morris, 1997) points out that men are more likely than women to define certain acts of child sexual abuse as not abusive and have less accurate memories for child sexual abuse experiences, they usually make the ordeal less important than it really or distorting what happened Researchers assume that children may typically reveal sexual abuse to their mothers (Berliner Conte, 1995), and that the person who may be sexually abusing or abused the child may be known to the child (Finkelhor, 1984), and that because the crimes and abuses may not be reported promptly (Goodman et al., 1992; Goodman-Brown, Edelstein, Goodman, Jones, Gordon, 2003), it can be argued that mothers may have led the children to make a false report, or the children and/or mothers may have had concealed intentions for making the accusations, and that the childs memory may have been either distorted, trained, or become faded with time. It was that many prosecutors have reported that such defences are often used in child sexual abuse cases (Goodman, Quas, Bulkley, Shapiro, 1999). They argue that children do not always disclose abuse readily, may at times require some leading questions to tell accurately and completely what happened, which in doing so may bring about false reports as to wh at may have truly happened and also leading the children into thinking that it happened in the way that the questions were asked and they may even withdraw their claims even if they were true (Malloy, Quas Lyon, in press; Saywitz, Goodman, Nicholas, Moan, 1991; Summit, 1983). They have also found that it is more difficult to mislead children to report negative or events related to abuse than positive or events that is not related to abuse, but some children at times may even consent to false negative, personal experiences. It has been well-known that the younger the children, the more likely it is for them to report false information (Bruck Ceci, 1999; Howe, 2000). For instance, if after witnessing an event young children are given misinformation about it (e.g., Do you remember when the doctor gave you a candy?), their reports of the event would be more likely to include the (mis)information that the doctor gave them candy when, in fact, the doctor did not. Clinicians and researchers have observed that some very young children are capable of providing accurate reports of events with the use suggestive questioning, whereas some older children are not able to do so (Baxter, 1990; Bruck Ceci, 1999; Geddie, Fradin, Beer, 2000). In 2004 Bruck and Melnyk published a review of the literature on individual differences in suggestibility. Out of 69 studies they looked for evidence of relationships between three categories of possible predictors: one which is demographic (socioeconomic status and sex), secondly the other is Cognitive (intelligence, language, memory, theory of mind, executive functioning, distractibility, and creativity), and thirdly, Psycho-social (social engagement, self-concept/self-efficacy, stress/emotional arousal/state anxiety, maternal attachment styles, parent-child relationship, parenting styles, temperament, and mental health). No relationship with suggestibility for some variables could be found but for others, the results were inconsistent. The predictors which showed the potential appeared to be that of the parent-child relationship, language ability, creativity, self-concept/self-efficacy, and maternal romantic attachment. Children who were vulnerable to being impressionable were mor e creative and had less superior language skills (Clarke-Stewart et al., 2004), inferior self-concept or self efficacy (Davis Bottoms, 2002), less supportive relationships with parents, either fathers or mothers (Clarke-Stewart et al., 2004), and mothers who were attached in their romantic relationships in an insecure manner (Goodman, Quas, Batterman-Faunce, Riddlesberger, Kuhn, 1997; Quas et al., 1999). Different studies were done to test and improve the accuracy of eyewitness testimony in children as well as correct memory recall. One of these tests is the Event Report Training (ERT), this is a training procedure intended to help the improvement of the memory recall of children and at the same time to reduce suggestibility. To test this efficiency of the training procedure they carried out a study. In the study fifty-eight (58) children took part in two forensically significant play events. After two weeks, the children received (ERT) or participated in control procedures, after that they were given a memory interview. The results pointed out that the Event Report Training procedure decreased suggestibility to questions related to abuse in preschoolers; their responses were greatly accurate and the difference in age was removed. (ERT) procedure did not raise the amount of information that preschoolers provided to open-ended questions. However, using the Event Report Training proced ure 32% more information was reported by 7 to 8-year-olds which included a 32% enhancement in actions, without an associated raise in wrong information. (John Wiley Sons, Ltd. 2009) Another focus on improving accuracy is a narrative style approach. A wide-ranging study to date of 3 Â ½ 9 year old children narrative development, it observed over a 1000 narratives, and used diverse techniques of analysis of narrative structure, (Peterson and McCabe 1983) acknowledged three common narrative styles in 4-year-old children. The most common being a leap frog pattern in which children jump from one particular feature to another, thereby excluding important aspects. An important aim of Event Report Training is to bring out intricate chronological narratives in preference to leap-frog narratives. Researchers have developed a number of structured interviews in order to achieve accurate memory reports from children in forensic situations. One of these interviews is The cognitive interview (CI) which relies on techniques to assist in retrieval and this consists of reporting everything, temporal recall and reverse order recall, context reinstatement and recall of the event from different viewpoints of the people involved in the event (Geiselman, Fisher, MacKinnon, Holland, 1985). Another structured interview procedure for children is Narrative Elaboration (NE), which relies on the grouping methods to improve the narratives of children. In this, researchers first teach the children how to recall an event by organizing information into specific categories, they then instruct children about the appropriate information that is involved in complete recall of that particular category (Camparo, Wagner, Saywitz, 2001; Saywitz Synder, 1996; Saywitz, Snyder Lamphear, 1996). Afterwards, the children are given cue cards to remind them to explain each group. A third procedure developed by researchers at the National Institute of Child Health and Human Development (NICHD; Lamb, Sternberg, Esplin, Hershkowitz, Orbach, 2000) was to improve the childrens event reports while at the same time fortifying the forensic investigators interviewing skills. The NICHD protocol lets the child of interview rules which they are allowed to say I do not know. This procedure builds an understanding and supplies the children with practice in describing recent events and separating precise instances of an event recurring. In addition, the procedure uses related cueing whereby after a child-generated material is given the interviewer then asks specific questions. It was found in two investigations that 8 to 10 years old children showed a significant decline in the false response to misleading questions after being interviewed using the Cognitive interview (Memon, Holley, Wark, Bull, Kohnken, 1996; Milne Bull, 2003). In general, the evidence from previous research that children are more likely to choose from a line-up is relatively strong, although the underlying mechanisms are not yet fully understood. Children may be more vulnerable to any perceived social and environmental demands to choose, or they may have a less sophisticated understanding of the purposes of an identification test and the potential consequences of their decision (Brewer, Weber, Semmler, 2005). In any case, studies have shown that these difficulties are exacerbated in the presence of a uniform line-up administrator. As well, leading questions are problematic because it can cause the children to rely on the adults for information or may think that by the way the question was phrased they expect a particular answer. It is hence, important that such methods are limited in order to improve the accuracy of child eyewitnesses and increase confidence that the identifications made are correct.

Mary Schapiro’s job was to fix the SEC Essay

1.Kotter’s eight steps As already noted, the SEC was starkly exposed as ill-equipped to deal with the chaos erupting across the globe. It was under strong criticism for the serious fraud of Bernard Madoff and the collapse of Wall Street stalwart Lehman Brothers. Accordingly, Mary Schapiro, a career regulator, was appointed the 29th chairman of SEC to save a languishing SEC. She changed the way they were doing things at the SEC including creating new structures, procedures, and programs to better address the modern financial markets as an urgent need to restore the credibility and public confidence in the SEC. This analysis is based on Kotter’s (1995) eight-step process for leading successful change. a.Establishing a sense of urgency The chairwoman argues that urgency is critical. Schapiro developed a change program with three priorities comprising internal assessment, investor protection focus and mistakes acknowledgement. The mission was to turn the SEC to be a high functioning, agile and intelligent, and committed to investor protection and market integrity. b.Creating a guiding coalition In order to able to manage the change process, she brought in new leadership and new senior team. The new leadership team set about retraining, skilling up and motivating the SEC’s talent staff. In addition, the investor –focused agenda was putting in place. The board and senior management and then all levels of decision making were required to pay attention to risk at all level of an enterprise. The whistle blower program was set up to detect securities violations. A final goal was to admit the mistakes that the SEC made under its watch. This is the first step in communicating the change vision. c.Developing a vision and strategy A vision was created to help direct the change effort, that was, to build a high functioning, agile and intelligent, and committed to investor protection and market integrity agency. d.Communicating the change vision In order to communicate the change vision, the chairwoman developed an open  way communication in which all staff and bankers could directly discuss with her. e.Empowering broad-based actions The SEC critically trained their staff to become certified fraud examiners. The organisation was restructured by removing the whole layer of management sending those to the frontline putting thousand staff to different focus groups such as corrupt foreign practices, insider trading, market manipulation and structured products. In addition, the SEC also set rules for over the counter and asset backed securities, hedge funds and examination program. f.Generate short- term wins Monetary reward and safe avenue were offered to whistle blower as a way to encourage people to detect securities violation as part of the change program. Fine was charged to financial institution (Goldman Sachs) due to misleading investor mortgage securities. g.Consolidating gains and producing more change h.Anchor new approaches in the future The change within the SEC was continually anchored for several years after the change commenced.

Things Fall Apart and Exile Essay - 1047 Words

Final Essay Outline I. Introduction A. Exile can be the self-imposed banishment from one’s home or given as a form of punishment. Exile results in solitude; leaving people only time to reflect upon their self. B. The main characters in The Epic of Gilgamesh, The Tempest, and Things Fall Apart all encounter exile due to their actions. C. (THESIS) – The protagonists, Gilgamesh, Prospero, and Okonkwo all have experiences of exile which alienate them from their homeland, but as hurtful as it is for them to go through; their experience alienates them causing them to overcome trials and enriches their lives in a way that reveals their true character. D. Each character has a different experience of exile, but it†¦show more content†¦IV. Third Protagonist – Okonkwo A. Okonkwo’s exile in Things Fall Apart is much different than that of Gilgamesh and Prospero’s in that it is a result of his own actions. 1. He is exiled by his clansmen when he commits a female crime, killing another clansman by accident (Achebe 124). 2. The only course of action Okonkwo can take is to abide by the laws of Umuofia and leave his native land for seven years B. The exile Okonkwo faces only adds more to his anger and bitterness. Okonkwo’s alienation causes him to have a pessimistic outlook, focusing more on what has been taken from him. 1. Although he is thankful for the welcoming of his mother’s kinsmen, Okonkwo regrets every day of his exile (Achebe 162). C. Okonkwo does not learn anything from his exile, but reverts back to his survival skills and hard work to â€Å"prosper in his motherland† (Achebe 162). D. Okonkwo is the only protagonist that did not change from his experience. His experience of exile reveals no change of his pessimistic outlook and only hardens his heart more. When he returns home, his actions show that he is meaner, angrier, and more rebellious. E. 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Do You Know Who Really Invented the Wheelbarrow

American poet William Carlos Williams praised them in his most famous poem: so much depends upon a red wheelbarrow, he wrote in 1962. The fact is that whether they have one or two wheels, wheelbarrows changed the world in small ways. They help us carry heavy loads easily and efficiently. Wheelbarrows were used in Ancient China, Greece and Rome. But do you know who really invented them? From Ancient China to Your Backyard   According to the history book  The Records of the Three Kingdoms, by the ancient historian Chen Shou, the single-wheeled cart today known as a wheelbarrow was invented by the prime minister of Shu Han, Zhuge Liang, in 231 A.D. Liang called his device a â€Å"wooden ox.† The handles of the cart faced forward (so that it was pulled), and it was used to carry men and material in battle. But the archaeological record bears out devices older than the â€Å"wooden ox† in China. (By contrast, the wheelbarrow seems to arrive in Europe sometime between 1170 and 1250 A.D.) Paintings of men using wheelbarrows were found in tombs in Sichuan, China, that dated to 118 A.D. Eastern vs. Western Wheelbarrows A notable difference between the wheelbarrow as it was invented and existed in ancient China and the device found today is in the placement of the wheel. The Chinese invention placed the wheel at the center of the device, with a frame built around it. In this way, the weight was more evenly distributed on the cart; the man pulling/pushing the cart had to do considerably less work. Such wheelbarrows could effectively move passengers — up to six men. The European barrow features a wheel at one end of the cart and necessitates more effort to push. While this would appear to be a strong factor against the European design, the lower position of the load makes it more useful for short trips and both loading and dumping cargo.

The Cardiovascular System Of The Body System - 1031 Words

The cardiovascular system is one of the major body systems. The cardiovascular system is a transportation device that transports waste products,oxygen,nutrients,carbon dioxide, and hormones throughout the body through the blood. The cardiovascular system is made up of the heart, arteries, veins, capillaries (also known as blood vessels and blood. The heart is a hollow fist sized organ that is made up of muscle.It contains 4 chambers that all involuntarily contract to pump blood throughout the body. The four chambers are then separated into two sides (right side and left side). Both sides contain an atria and ventricle which pumps the blood out of the heart. Both sides also stop the black flow of blood. The heart also contains 3 layers.†¦show more content†¦Though hyperactive tension does not have signs it does have some symptoms which include dizziness, shortness of breath, headaches, fatigue, and chest pain. Medication and lifestyle changes can manage hypertension such as. 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While its also referred to as the circulatory system, it also transports hormones, gases, and food to and from cells within the body. The major components of the circulatory or cardiovascular system are blood, blood vessels, and the heart (Cardiovascular System Simplified, n.d.). Blood consists of cells and liquid plasma whileRead MoreOverview of The Cardiovascular System1676 Words   |  7 PagesThe cardiovascular system - The cardiovascular system is responsible for transporting nutrients and removing gaseous waste from the body. It consists of the heart, which powers the whole process, the veins, arteries, and capillaries, which deliver oxygen to tissue at the cellular level. The cardiovascular system carries blood that is low in oxygen away from the heart to the lungs via arteries, where oxygen levels are restored through the air once oxygenated, th is blood is then carried throughout

Personal Hygiene Tips Free Essays

Personal hygiene tips can you keep your immune system from being overwhelmed by the on-slot of germs. Skin is an important part of the immune system for it acts as a barrier between germs and your body. Skin is tough and generally impermeable to bacteria and viruses. We will write a custom essay sample on Personal Hygiene Tips or any similar topic only for you Order Now On the other hand, germs can enter our bodies through other areas that are susceptible to bacteria such as our nose, mouth, eyes, or a break in the skin. Common sense and following good personal hygiene tips will limit the possibility of these germs finding a way into your body. Here are some common sense personal hygiene tips:Wash Your Hands The single most important way to prevent the spread of infectious diseases is to wash your hands. Most infections, particularly the common cold and gastroenteritis, are contracted when our germ infested hands come in contact with our mouths. In addition, infections are also contracted through contact with another individuals whose hands may come in contact with us. Sanitation of hands up to and including the wrist with hot water and soap is also necessary. The use of a brush is recommended when fingernails need cleansing as well. Hot air dryers or a clean towel is the best method for drying the hands.Wash your hands when the following applies: * Following the use of the commode. * After handling other bodily secretions. * Contact with rubbish/waste bins. * Before and after food preparation. * After coming in contact with animals. * After being in contact with an individual who has a cough or cold. * After caring for a personal who is ill, changing dressings, administering medicine. * Caring for the elderly. * Changing an infant’s diaper. * Before and after your duties if you are a food handler or health professional. * Before changing contact lenses. Take a Daily Shower or BathA daily shower or bath aids in the cleansing of our bodies as well as eliminating any bodily odor or bacteria ridden skin. It is recommended that we get in the habit of using a personal bath towel rather than sharing with others. Cross infection is a risk that is unnecessary if possible. Those who are involved in active sports or work out to a sweat would do well to take a bath after the activity. A mild soap will do the job adequately. Wash off well after soaping. Drying with a clean towel is very important. Avoid sharing soaps and towels. Brushing your teeth at least twice a dayApply a small amount of toothpaste on a toothbrush and gently brush a few teeth at a time on all sides in a circular motion, and then clean your tongue. After briskly brushing, we should thoroughly rinse our mouths with water while disposing excess water into the sink. Your toothbrush should be changed after 2 months. Other Personal Hygiene Tips Getting into the habit of routinely clipping fingernails/toenails on a regular basis is good. Growing nails is okay if they are kept clean and manicured routinely. Cover all cuts, burns and sores and change dressings regularly – pay extra attention to any open wounds on hands and arms.Replace the sponge frequently. Sponges and scrubbers provide the warm, moist conditions and trapped food particles on which bacteria thrive. The bacteria can multiply, increasing from a few to millions in a matter of hours. Use a different implement for each cleaning task in the kitchen and bathroom. Routinely disinfecting both indoor and outdoor waste bins is a good habit to get into. Due to the fact that waste bin liners can leak, germs can easily spread to other areas that the liners may come in contact with such as floor, countertops, our hands, etc.If you are preparing food for your family, continuously cleansing your hands throughout the preparation of the meal. Pay close attention to dishcloths, washcloths, pot holders, aprons before and after cooking. The cleanliness, health and habits of food handlers are important because people often carry germs, which are easily spread through food. These germs are often present on our hands, face, hair, noses and in our mouths and bowels. Even the healthiest person may be carrying germs without being sick. Personal hygiene is important. Remember and practice the following. 1. Shower or bathe daily. 2.Practice good, frequent handwashing. 3. Wear clean clothing with an apron. Change the apron when it gets dirty. 4. Keep hair confined. 5. Keep fingernails clean and avoid wearing nail polish or jewelry. 6. Avoid touching your face, nose or mouth while preparing food. 7. Do not prepare food if you are ill and report your illness to your supervisor. 8. Avoid coughing or sneezing around food. 9. Use utensils for handling food. 10. If you must taste food, use a disposable spoon. Dishes, utensils, equipment and food can be easily contaminated by employees hands and clothing unless a high standard of personal hygiene is maintainedWear Clean Clothes: Wear a fresh set of clothes as often as possible. Dirty clothes are a source of contamination and can cause very serious skin disorders if worn over and over without washing them. Also, try wearing a clean pair of socks every day (especially after athletic activities) as this keep your feet dry and not smelly. Wash clothing and linens on a regular basis as the longer it takes you to clean them the smellier they become.Read more: http://www. lifemojo. com/lifestyle/personal-hygiene-tips-for-good-health-5163438#ixzz0ud4rgFyG How to cite Personal Hygiene Tips, Papers

Review of Medical Microbiology and Immunology †MyAssignmenthelp

Question: Discuss about the Review of Medical Microbiology and Immunology. Answer: Introduction Sterilization is the process that is used to eliminate microorganisms such as bacteria, yeast viruses and fungi on the surfaces and bodies on which they are found(Levinson, 2013). The microorganisms can cause diseases to humans if they are not sufficiently controlled.Vegetative microorganisms are easily controlled by moist heat, however bacterial spores for example endospores are difficult to control by moist heat and are called thermoduric i.e. they can withstand even higher temperatures of steam above 100 degrees centigrade. There are different types of sterilization methods apart from saturated steam sterilization that include: chemical sterilization, done using chemicals; physical sterilization done using gamma rays. Sterilization is a very important process in the clinical set as well as in the day to day life. In the hospitals, sterilization is done to reduce the bio-burden in the environment. The areas may include hospital floors, tables, surfaces as well as the medical equipm ent used in the hospital. In the pharmaceutical industries where manufacture of drugs take place, this process of sterilization is important to keep the equipment and handlers microbial free so as to prevent contamination of the final medicines manufactured (AusHFG,2016). The principal used in sterilization by saturated steam involves using saturated steam at high temperature and pressure in an enclosed container, where there is total air removal from the container and the articles being sterilized maintained at points accessible to the steam over a sufficient period of time to ensure total destruction of the microbes(Levinson, 2013). The sterilization process by saturated steam is monitored by either using thermocouples (a temperature and pressure gauge), chemical indicators or biological indicators like the bacteria Bacillus Stearothermophilus provided as spore strips for monitoring sterilization. Sterilization by saturated steam is a preferred and ideal method for sterilizing art icles because it is efficient, fast and not toxic to the user and the environment.Biocidal activity of saturated steam is due to the high amount of latent heat released from steam that penetrates and destroys the cellular structure of the of the microbes causing death in even the most resistant spores. Dry heat on the other hand produces little energy that destroys the cellular components of the microbes, however it may not destroy resistant spores. The sterilization time generally includes 121 degree centigrade, 101 kPa and 15 minutes for liquids and 134 degree centigrade, 203 kPa and 3 minutes for medical devices and surgical linens. Tyndallisation is an old method of sterilization that involves heating the substance to boiling point or just below the boiling point and holding it there for about 15 minutes, repeated for 3 consecutive days. This experiment is crucial in its application in the field of microbiology since it helps to control microorganisms in places and objects where they are not required, thereby helping in controlling incidences of microbial infections.(Levinson, 2013) Aim. To understand the significance of sterilization. To establish the use of moist heat in the process of sterilization. To determine the fundamental requirements for sterilization by saturated steam. Materials. Sterile forceps. Paraffin oil. Sterile bottles with rubber seals capped with screw. Four paper strips inoculated with Bacillus Stearothermophilus spores. Two 250ml Schott bottles Two Sterikon with bio-indicator vials. Sterile water 10ml. Two sterile Pasteur pipettes. Five adhesive labels circular in nature. Two Thermalog sterilization indicators. Tryptone Soy Broth (TSB). Automatic pipette. Labels were placed on the caps of the 5 screw capped bottles. The bottles were then labelled 1, 2, 3,4 and 5.Strips of paper inoculated with Bacillus stearothermophilus were aseptically placed in bottles 1, 2, 3 and 4. With the aid of the pipette 6 drops of sterile water were added to bottle number 2. The spore strip in bottle number 4 was covered with paraffin oil. The caps of bottles 2, 3 and 4 were fastened tightly and then they were placed in a sterilizer.Bottle 1 was not processed. Two Thermalog strips were placed in the 2 Schott bottles.2ml of water was added to one of the bottles and then loosely caped. The second bottle was tightly caped. The two Schott bottles and a Sterikon plus bio-indicator vials were placed in the sterilizer along other bottles and kept at 121 degree Centigrade for an hour.The second bio-indicator was not sterilized. The Thermalog strips were then examined at the end of the sterilization. 3ml TSB was added to bottles 1, 2, 3 and 5. The spore strip in bottle 4 was aseptically transferred to bottle 5. Bottle 4 was discarded into paraffin discard. The bottles and the two Sterikon plus indicator vials were incubated for 3 days at 56 degree Centigrade. The results were based on the colour changes that occurred on each of the bottles upon incubation at 37 degrees centigrade. For the Thermalog strips their colour change were also examined and recorded as below. Bottle Conditions Growth Reason 1. Turbid+++ Present Due to lack of sterilization. 2. No turbidity Absent Due to sterilization. 3. No turbidity Absent Due to sterilization. 5. No turbidity Absent Due to sterilization. Turbidity key: ++++ Thermalog strips Material Treatment 1 Treatment 2 Thermalog strips Blue No colour change Material Before Incubation After Incubation Sterikon Vial 1 Pink Clear and pink Sterikon Vial 2 Pink Cloudy and yellow From the results above, it can be deduced that saturated steam sterilization is effective against bacteria and other microbes since turbidity was not observed on the bottles 2, 3 and 5 that were subjected to sterilization process then afterward incubated for microbial growth. Turbidity is a sign of microbial growth(Levinson, 2013). Bottle 1 which was not sterilized became turbid upon incubation, an indicator of microbial growth. The Thermalog strips(bio-indicators) were examined in the first and second treatments. On examinationthe strip in the first treatment showed growth indication by turning bluebecause it was not subjected to sterilization process which is needed to destroy the microbes whereas the strip in the second treatment showed no growth indication because it was subjected to sterilization process thus the spores of the bio-indicator were destroyed completely ,thus, no growth upon incubation. The Sterikon vials 1 and 2 were both pink before incubation, however, after incubation the Sterikon vial 1 became clear and pink indicating lack of microbial growth. This is because the Sterikon vial 1 was subjected to the process of sterilization whereas Sterikon vial 2 was not subjected to sterilization which hence microbes were not destroyed and grew upon incubation. The unexposed strips are cultured when examining the biological indicators after sterilization so as to allow for the growth of the bacteria in the unexposed strip, a confirmation that lack of exposure to the sterilization process leads to persistence of the microbes on the strip. Other physical control methods for sterilization include use of gamma rays and physical barriers like in membrane filtration process(Levinson, 2013). Prions are infectious spore forming particles of microbes that are very difficult to control and can cause serious infections for example, anthrax, gangrene, tetanus and food poisoning. They are described as thermoduric i.e. they can tolerate temperatures up to 100 degrees centigrade and cannot be therefore effectively controlled by steam sterilization. They thus need other physical methods of control like the use of gamma rays. References AusHFG. (2016). AusHFG. Retrieved from https://healthfacilityguidelines.com.au/: https://healthfacilityguidelines.com.au/part/part-introduction-and-instructions-use-0 Levinson, W. (2013). Review of Medical Microbiology and Immunology (Lange Medical Books) 13th Edition. San Francisco: Mc Graw Hill Educator.