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Reliability: Types and Estimation

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An examination of psychometric reliability -- the consistency and reproducibility of test scores -- covering test-retest, parallel-forms, internal consistency (including Cronbach's alpha), and inter-rater reliability, and how reliability relates to validity.

Inhaltsübersicht

  • What Is Reliability? Foundations from Classical Test Theory
  • Test-Retest and Parallel-Forms Reliability
  • Internal Consistency: Split-Half Reliability and Cronbach's Alpha
  • Inter-Rater Reliability and the Reliability–Validity Relationship
Diagram showing the relationship between true score, observed score, and error in classical test theory
Pixabay – Pixabay License

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Learn Reliability: Types and Estimation — Psychological Assessment and Testing Psychology | Summary, Flashcards & Quiz