The International Handbook of Positive Psychology (PDF)

and Ph.D. in Clinical Psychology from the University of Michigan, Ann Arbor. Dr. Downey completed her APA-accredited clinical internship at the University of Michigan Center for the Child and Family, and the University of Michigan Psychological Clinic. Dr. Downey has published articles on various topics related to lay concepts of health, eating disorder symptoms and perfectionism, perceptions of online versus face-to-face social interactions, and effective college teaching methods in journals such as Eating Behaviors, Psychology and Health, the Scandinavian Journal of Psychology, and the Journal of Effective Teaching. She also serves on the Editorial Board of Cognitive Therapy and Research. She was co-editor of the Handbook of Race and Development in Mental Health (2012), Positive Psychology in Racial and Ethnic Minority Groups (2016), and Treating Depression, Anxiety, and Stress in Ethnic and Racial Groups: Cognitive Behavioral Approaches (2018), with Dr. Chang, and has published several chapters on racial and ethnic factors in positive and negative mental health.



Hongfei Yang is Associate Professor of Psychology at Zhejiang University of China, P. R.. He received his B.A. in Psychology from Hangzhou University in China, P. R., and his M.S. in Counseling Services at State University of New York at Oswego in the United States of America, and his Ph.D. in Basic Psychology from Zhejiang University of China, P. R.. Dr. Yang spent 8 months as a visiting scholar in the Department of Psychology of Kiel University, working with Dr. Grau who is the founder of Kiel-Meyn Counseling Model. He also spent 4 months as a visiting scholar in the Department of Psychology at the State University of Illinois at Champaign, working closely with Dr. Ed Diener, who is the leading researcher of subjective well-being. Dr. Yang is the president of the association of counseling psychology of Zhejiang Psychology Society.Dr. Yang has published articles on various topics related to mental health, outcome assessment of counseling, life satisfaction, personal growth initiative, perfectionism and rumination in journals such as Chinese Mental Health Journal, Personality and Individual Differences, Child and Family Studies, and Journal of Personality Assessment, etc. He developed the positive rumination training method based on the principles of positive psychology. His research interests include counseling and mental health, positive psychology, perfectionism, personal growth initiative and rumination.



Ingo Zettler is Professor with Special Responsibilities in Personality and Social Behavior at the University of Copenhagen (Denmark). He studied Psychology at the University of Bonn (Germany) and received his PhD in Psychology at the RWTH Aachen University (Germany). Dr. Zettler works especially in the fields of Personality Psychology and Work and Organizational Psychology. His research interests span across areas such as counterproductive work behavior, ethical behavior, job performance, personality structure, and the interplay between personality and situation in shaping behavior. His work has been published in journals such as Journal of Applied Psychology, Journal of Personality and Social Psychology, Psychological Review, and Perspectives on Psychological Science.



Mine Muyan-Yilik is an Assistant Professor of Guidance and Psychological Counseling in the Department of Educational Sciences at Izmir Democracy University in Turkey. Dr. Muyan-Yilik received her B.S. in Guidance and Psychological Counseling from Hacettepe University, Ankara, Turkey, and her Ph.D. in Guidance and Psychological Counseling from Middle East Technical University, Ankara, Turkey. Dr. Muyan-Yilik also spent a year as a visiting scholar in the Department of Psychology, University of Michigan, working closely with Dr. Chang. Dr. Muyan-Yilik is a member of several national and international vocational organizations, including Turkish Psychological Counseling and Guidance Association and American Psychological Association. Dr. Muyan-Yilik has given numerous research presentations on a wide range of topics from subjective well-being, hope, positive life events, self-compassion, intimate partner violence, loneliness, perfectionism, eating attitudes, social media, to psychological first aid, and counselors' roles on coping with disaster. Her work has been published in journals such as Journal of Happiness Studies, Personality and Individual Differences, Cognitive Therapy and Research, Journal of Psychology: Interdisciplinary and Applied, Journal of Interpersonal Violence, and Eating Behaviors. Her research interests include positive psychology, counseling in mental health, cross-cultural research, social relationships and preventive counseling services.