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Introduction Item Characteristic Curve (ICC) is a graphical representation of relationship between the probability of correct P(θ) response and a test takers ability (θ). It is used to evaluate the
Meaning of validity Validity refers to the question: “Does the test measure what it claims to measure”? The word “valid” comes from the Latin ‘validus’, it meaning strong. Validity is
The Children’s Apperception Test (CAT) is a projective personality test designed to assess individual variations in children’s responses to standardized stimuli. It was developed by Leopold Bellak and Sonya Sorel Bellak in
Notes for chapter 4 VALIDITY (MA Psychology, SPPU) This ppt covers all the following points. 1. Validity: Definition and evolving concepts 2. Content-description validation procedures 3. Criterion-prediction procedures 4. Construct-identification