Kurt Lewin was concerned with the effectiveness of interventions for solving social problems.To accomplish effective interventions,he said an action research plan should

A) include a large sample of participants
B) be developed by three or more researchers
C) be comprehensive from the outset
D) be flexible and revised constantly

Social Problems

Issues within a society that are recognized by significant numbers of people or recognized bodies as being undesirable, harmful, or requiring addressing.

Action Research Plan

A participatory form of research aimed at solving problems or improving practices through direct action interventions and reflection.

Kurt Lewin

A pioneering psychologist known for his work in the field of social psychology, particularly concerning group dynamics, leadership styles, and the theory of change.