The concept of the "locus of control" is one of the most influential in all of the psychological sciences. Initially proposed by Julian Rotter in 1966, the year 2016 marks the 50th anniversary of this remarkable breakthrough, subsequently inspiring thousands of research studies in the human sciences - research that has only served to deepen the utility of this amazing concept. Edited by John W. Reich and Frank J. Infurna, Perceived Control: Theory, Research, and Practice in the First 50 Years commemorates this important anniversary by featuring contributions from leading figures of the time - some of whom were there at the very beginning of Rotter's breakthrough - to give readers a valuable historical record and measuring stick to illustrate how far we've come. Other contributors to this volume expertly present contemporary and cutting-edge summaries of the current state of our knowledge all while giving us a roadmap for future developments and directions. What have these developments revealed about basic human strengths and capacities? Why has this concept proven so remarkably effective in illuminating our everyday life in sickness and health? Perceived Control is a fascinating work that incorporates research from Rotter's original concept, and addresses many of the leading comparable concepts that have since evolved: self-efficacy, personal mastery, competence, primary and secondary control, and more specific topics such as health locus of control, learned helplessness, and other heuristic concepts discussed in many different fields of psychology and the allied disciplines. As Perceived Control skillfully attests, Rotter's work continues to thrive, leaving little doubt that its influence will endure for another half century of more.

The literature on post-traumatic growth (PTG) has been instrumental in highlighting the human capacity to overcome adversity, illuminating the different pathways people may follow when confronted with adversity. Although the theme of strength from adversity is central to many disciplines and certain cultural narratives, these claims lack robust empirical evidence. This literature gap can be traced to a reliance on retrospective assessments for methodology and difficulty in determining which outcomes are most appropriate for studying PTG. Redesigning Research on Post-Traumatic Growth offers new directions for PTG research. The book illustrates the benefits of research designs that incorporate multiple methods of assessment and highlights the value of integrating various disciplines, such as philosophy and multiple areas of psychology (e.g., clinical, developmental, health, and personality) for more holistic understanding of the human capacity to overcome adversity. The book is divided into four sections: current challenges in examining PTG, methodological advancements, research in specific populations, and opportunities for further research. Introductory chapters identify the limits of traditional PTG assessments and find solutions in prospective longitudinal studies. From here, this methodology is put into practice with unique case examples from studies with Syrian refugees, older adults, and couples coping with a cancer diagnosis. The book concludes with calls for further research on event characteristics of adversity, as well as narrative identity, wisdom, and open-mindedness as key growth outcomes. Redesigning Research on Post-Traumatic Growth will serve as the starting point for the next generation of research on PTG