30 Mar Developing a self-esteem measure requires a structured approach to ensure the instrument is valid and reliable. The process involves multiple steps, such
Developing a self-esteem measure requires a structured approach to ensure the instrument is valid and reliable. The process involves multiple steps, such as (1) item development, (2) pilot testing, (3) reliability and validity testing, and (4) cross-validation (Elangovan & Sundaravel, 2021; Sullivan, 2011). Item...