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Sexual minorities (SM) are at particular risk for experiencing psychological distress due to the unique stressors they face based upon their identity. There is a well-established link between anticipatory stigma and increased anxiety symptoms among this population; however, this relation may vary due to other factors such as actively hiding one’s sexual orientation from others, or concealment. SM often conceal as a means for self-protection from rejection or violence, yet in doing so SM have to deal with the affective (e.g., shame, guilt), cognitive (e.g. preoccupation about hiding sexual orientation, negative self-evaluation, hypervigilance), and behavioral (e.g., social avoidance and isolation) burden of concealment that places them at increased risk for psychological distress. Concealment is documented as having a robust effect on both anticipated stigma and anxiety symptoms. Thus, the act of concealing may affect the relation between anticipated stigma and anxiety symptoms. We hypothesize that positive correlations will exist between anticipated stigma, concealment, and anxiety symptoms; and, concealment will moderate the anticipated stigma-anxiety symptoms linkage where, for individuals with greater levels of concealment, a stronger positive relationship between anticipated stigma and anxiety symptoms will exist. Participants were recruited from targeted social media advertisements and asked to complete measures of stigma, concealment, and psychopathology. Data was entered into SPSS and missing data was omitted from analyses. Pearson’s product-moment correlations and Hayes’ moderation analyses were utilized. Our sample (N=151) was predominantly White (n=127; 84.1%), identified as being a woman (n=108; 71.5%), and LGB (n=118; 78%). Concealment significantly moderated the relation between anticipated stigma and anxiety symptoms,t(147)=2.63,p=.01. Hypotheses were supported and higher concealment revealed a stronger relation between anticipated stigma and anxiety symptoms than for those with lower concealment.Our findings are limited due to using cross-sectional data and a sample predominantly comprised of White women. Interventions that help SM effectively cope with the emotional and cognitive burden of anticipated stigma and concealment may be of interest.

This thesis explores the discovery, investigation and prosecution of, as well as the men and women involved as suspects and witnesses in, cases of suspected new-born child murder and concealment of pregnancy in Scotland between 1812 and 1930. The study utilises pre-trial and other legal documents relating to these cases to outline both the continuities with other studies and aspects of the subject that are peculiar to Scotland during the period. An examination of the pre-trial documents not only reveals the various responses to suspicions of pregnancy and murder by the local community, it also shows that in a number of cases investigators harboured suspicions that members of the community were involved, either as an accessory to a crime, or withholding evidence. However, this information is largely ignored by prosecutors, and the vast majority of those tried were the victims’ mothers, an outcome that this thesis argues was a combination of a number of legal and medico-legal processes and procedures. This thesis also argues that the information provided by the pre-trial evidence can provide a more nuanced understanding of these ‘crimes’ – particularly at a local level – that is otherwise obscured by official statistics, that in turn can be used to challenge the prevailing historical consensus that has developed around certain aspects of the subject. The first chapter provides the legal and medico-legal contexts. Chapters Two and Three look at the discovery of, and responses to, the signs of pregnancy, recent delivery and of the bodies of new-born infants. Chapter Three argues that whilst communities were quick to observe the signs of pregnancy, they were less inclined to inform the authorities of their suspicions until after the signs of delivery, or a body, had been discovered. Chapter 4 looks at the profiles of suspects, and also at the geography of the ‘crimes’, and Chapter 5 looks at those men and women suspected of being an accessory to murder, and of helping to conceal a pregnancy or an infant’s death. This chapter reveals that the pretrial documents reveal that in a number of cases investigators suspected relatives, friends, the victims’ fathers, and in some cases even doctors and midwives, to be involved in various ways in cases of suspected new-born child murder. As such it provides a strong challenge to the historiographical consensus that new-born child murder was a sex-specific crime, carried out by the victim’s mother, acting alone. Chapters 6 and 7 explore the role of the police and medical witnesses respectively, both prior to a formal accusation, and during the official investigation. Chapter 7 also includes a detailed look at the medical reports pertaining to the examination of suspects and the post mortem examination of the victims. The final chapter looks at the witnesses and evidence presented at the trial, focusing in particular on the medico-legal issues that made it difficult for prosecutors to secure a successful murder conviction. The chapter argues that whilst these issues could be part of a wider culture of sympathy towards new-born child murder suspects, the evidence from the verdicts and sentencing can also demonstrate a hardening of judicial attitudes over the period.

In homicide cases, suitcases provide concealment and ease of transport of a body and reduce the likelihood of detection. When estimating a minimum postmortem interval (mPMI), it is necessary to understand the taphonomic processes that occur when a body is concealed within a suitcase. In this study, the experimental carcasses consisted of pig (Sus scrofa Linnaeus) heads concealed within either hard shell or fabric suitcases whereas control pig heads were decomposed naturally. All control pigs heads attracted blowflies (Calliphoridae) immediately and mummified within days, whereas the experimental pigs heads had an oviposition delay of approximately 72 hours and decomposed resulting in skeletonization. Differences in the arthropod species present varied between the experimental and control pigs heads. Temperature comparisons revealed significant (p <0.001) differences between the experimental and control pigs heads. How a corpse decomposes when a suitcase is used for body disposal must be considered when estimating the mPMI.

When video transmits over error-prone channels, the fragile property of compressed stream makes it sensitive to bit error. Often even a slight error can make video unable to correctly decode. Therefore, there is a need for a good error control method to solve the problem. This paper presents a novel error detection and concealment strategy along with watermark technique. The proposed watermark-based scheme utilizes two kinds of watermark technique, a fragile watermark is used to detect and localize errors, and a robust watermark is used to reconstruct error areas when errors exist. Experimental results show the proposed watermark-based scheme has good error detection capabilities and complete error recovery information, therefore significant improves video quality after errors happened, especially in the case of higher loss probabilities.

Appropriate microclimates are essential for the development of embryos in avian eggs. Physical demands of incubating adults would also be affected by microclimate. The breeding areas of the Roseate Tern (Sterna dougallii) overlap with intense solar radiation and the presence of tropical cyclone and they prefer nest structure with vegetation or rock walls, as these may provide concealment to the surrounding weather. The objectives of this study were to examine the effect of nest structure on the nest microclimate and hatching success. In addition to nest structures, the effect of nest materials and parental incubation behavior on microclimate were also investigated. Results showed that the average temperature of vegetation-removed nests was higher than that of the control group. Rock walls seemed to prevent moisture formed from dew and rain. Incubation behavior can prevent eggs from overheating. However, there were no differences in parental thermal behavior and hatching success between nest types. To sum up, vegetation next to the nest can prevent the eggs from overheating while parents were temporarily absent. Parental incubation can insulate the eggs from surrounding weather stresses, and compensate the negative effect of nest structure with harsh conditions.

As the second leading cause of death among college students, suicide has become an increasingly prominent focus for campus mental health initiatives. Suicide prevention efforts frequently rely on the induction of students with suicidal ideation into counseling services, either through self-referral or referrals from friends, family members, and university staff. However, nearly half of students who seriously contemplate taking their lives do not tell anyone that they are struggling with suicidal thoughts. Concealment of suicidal ideation, particularly from one‟s informal support network, is not well understood, and no studies to date have examined this phenomenon among college students. Using archival data from a national survey of suicidal crises among college students collected in 2006 by The National Research Consortium of Counseling Centers in Higher Education, this study explored college students‟ self-reported reasons for concealing their suicidal ideation. Content analysis was used to categorize students‟ qualitative responses to an open-ended question asking why they chose not to tell anyone about their suicidal thoughts. Nine primary themes emerged from this inquiry: (1) perceived lack of need for help, (2) concern for the well being of others, (3) dispositional orientation towards privacy, (4) perceived pointlessness of seeking help, (5) anticipated negative reactions from others, (6) internal negative evaluation of suicidality, (7) fear of repercussions, (8) avoidance of interference from others, and (9) perception of having no one to tell. Multilevel modeling was then used to explore associations between demographic characteristics, reasons for concealment endorsed, and likelihood of attempting suicide within the 12-month period under study. Findings from this study contribute to an understanding of help avoidance among suicidal individuals and have implications for campus suicide prevention programming. / text

This thesis addresses the problem of cell loss when transmitting video data over an ATM network. Cell loss causes sections of an image to be lost or discarded in the interconnecting nodes between the transmitting and receiving locations. The method used to combat this problem is to use a technique called Error Concealment, where the lost sections of an image are replaced with approximations derived from the information in the surrounding areas to the error. This technique does not require any additional encoding, as used by Error Correction. Conventional techniques conceal from within the pixel domain, but require a large amount of processing (2N2 up to 20N2) where N is the dimension of an N×N square block. Also, previous work at Loughborough used Linear Interpolation in the transform domain, which required much less processing, to conceal the error.

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The intent of this thesis is to explore the reasons why young athletes may conceal their sports injuries. In recent years, there has been much discussion about the long-term health implications that former athletes are dealing with as they live life after sports. Sports injuries including concussions, knee damage, and spinal injuries are all issues that could affect an athlete’s quality of life far beyond their playing days. It is well known around the athletic and medical communities that many athletes withhold information about their injury symptoms just to get back on to the field. Most worrisome about this fact, is the disregard of any long-term damage being done to their body. In this study, we explored the influence of social norms, perceived masculinity, and other external influences on athlete populations in an attempt to understand the reasons why injuries are so often under-reported and masked by athletes. Understanding the logic behind why athletes “play through” injuries and the external influences that may cause this behavior, is essential to athlete safety in the future. Results showed significant findings among highly masculine athletes and injury concealment as well as in athletes who feared losing a performance role and injury concealment. Those athletes who wish to appear tough and masculine as well as those athletes who may be fearful of losing a performance role were more likely to conceal their injuries. Athletes who are a part of a team were also likely to behave in the same way and understanding these reasons can help improve athlete safety in the years to come.