This book focuses on the latest developments in psychology research. Chapter One analyzes the self-objectification scale. Chapter Two reviews the personal self-determination of high school students. Chapter Three discusses altruism and prosocial behaviors in LGBT older adults, who had encountered adversity and lack of acceptance in society based on their sexual orientation. Chapter Four proposes a conceptual theoretical framework that presents antecedents of consumers’ desire and engagement in medical tourism practices, as well as outcomes. Chapter Five explores the influence of life-event stressors and perceived stress on the reading performance of college students. Chapter Six investigates the effects of training on knowledge acquisition in Cognitive Behavioural Therapy (CBT). Chapter Seven provides insight into the intrapersonal dynamics that are associated with the development and continuation of sexually abusive behavior in juveniles. Chapter Eight explores which psychological characteristics play a role in the completion and non-completion of treatment by juvenile sex offenders. Chapter Nine identifies the dispositional antecedents of situational anxiety and explains its subscales effects on prediction performance. Chapter Ten reviews sport psychology service delivery preferences of elite athletes from Malaysia and Australia.