Psychometrics and Research Methodology: Test Design and Analysis

Understanding how to measure human behavior, intelligence, and personality accurately is the cornerstone of psychological science. This course provides a clear, structured guide to the principles of test construction, statistical validation, and ethical research design. You will transition from understanding basic psychological concepts to confidently analyzing, designing, and evaluating standardized assessment instruments. Through clear written explanations and practical examples, you will master the core methodologies used in academic research and professional examinations. What you will learn: Understand the foundational theories of psychometrics and classical test theory; Design and construct reliable psychological tests from scratch; Apply standardization techniques to ensure test validity and reliability; Evaluate research designs and methodology options for psychological studies; Navigate ethical considerations and open science practices in modern research; Analyze item difficulty and discrimination using foundational statistical concepts. The course begins with essential definitions and the history of measurement before guiding you step-by-step through test construction, statistical standardization, and research ethics. You will progress through comprehensive written modules designed to build your analytical confidence. This course is designed for beginners, students preparing for academic or civil service examinations, and aspiring researchers with no prior background in psychometrics. Start reading today to master the science of psychological measurement and research design.