Mo

Eva Mariya is a mental health advocate and founder of Psychologyly, dedicated to sharing insightful, research-based content on mental wellness, relationships, self-growth, spirituality, and parenting.

A Quantitative Instrument Can Be Reliable Without Being Valid | Stable, Still Wrong

A measure may produce the same result again and again, yet still fail to capture the trait, skill, or condition it was built to measure. The statement is true. Reliability and validity sound like twins, but they do different jobs. Reliability asks whether a tool gives steady scores. Validity asks whether those scores mean what

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