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Introduction Probability theory and the normal distribution curve represent two of the most foundational concepts in the field of statistics, especially within disciplines like psychology, education, sociology, and other social
Introduction Programme evaluation research is a systematic method for collecting, analyzing, and using information to answer questions about projects, policies, and programs, particularly about their effectiveness and efficiency. It plays
Introduction Quasi-experimental designs are widely utilized in fields such as education, healthcare, public policy, and the social sciences, especially in contexts where conducting true experiments (i.e., randomized controlled trials) is