Which type of research is particularly valuable for in-depth understanding but often lacks generalizability?

Case studies are especially valuable for gaining in-depth understanding of complex phenomena, individual experiences, or specific cases within psychology. They allow researchers to explore a subject in great detail, often providing rich qualitative data that illuminates the context and nuances of a particular situation. This depth can reveal insights into behaviors, thought processes, and emotional responses that might not be captured through other research methods.

However, the findings from case studies often lack generalizability because they focus on a single individual or a small number of cases. This limited scope can make it challenging to apply the insights gained to broader populations or different contexts. The unique characteristics of the case studied may not represent wider trends or patterns that would emerge from larger, more diverse samples. Thus, while case studies are invaluable for depth of understanding, their applicability to general populations is often restricted.