The handbook is designed to highlight the different contents, types, ways, meanings, applications, and moments of changes that have been recognized by experts in various fields within the life and social sciences. Comprised of four sections, the chapters address changes in a variety of contexts related to human perceptions and behaviors; the moment of change and fluctuations; changes in applied settings; and the meaning of changes, including resistance to change. From the Contents: 14. Differential Susceptibility to Various Environmental Influences: Theory, Research, and Practice (Shuhei Iimura).