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Lecture 4 Summary.
Instructor:  Jeremy Jackson   |    Jan 4, 2017

Location:    NW 3412    |   Blackboard
William Shakespere: "Listen to many, speak to a few"


Basic Concepts in Psychological Measurement




Classical test theory, modern test theory



Internal consistency reliability

Split-half reliability

Cronbach's alpha

Test-retest reliability



Criterion vs Construct validity - operationism vs realism

Types of criterion validity: predictive validity, concurrent validity, content validity

Types of construct validity: face validity, discriminant validity, convergent validity.

Estimation vs prediction


Modern Test Theory

Homogeneity vs dimensionality

Unidimensionality and basic concepts in factor analysis: Two-factor theory, multivariate factor analysis.

Spearman's g





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