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Measurement in Psychology
Types of Tests
25 other sections not shown
ability adequate administration assume behavior binary matrix binary measures binary variables calculate Chapter cognitive concept consider correct answer correlation coefficient correlation matrix covariance matrix criterion measures criterion variable defined developed diagonal diagonal matrix differential direct selection discussed distribution Equation error scores examinee example factor analysis factor loading function given by Eq grade homogeneity important indicated indirect variable individual involved item analysis item covariances item difficulties item scores item variances items correct kurtosis large number MATHEMATICAL PROOFS matrix notation maximum covariance measurement theory method multiple correlation multiple measures number of different number of items number of variables observed score observed variance particular sample persons phi coefficient prediction predictor variables problem procedures proportion psychological measuring instruments regression relationship reliability score statistics Section selection set of measures skewness specificity standard deviation standard scores statistics Substituting Eqs techniques test items true score true variance validity values vector weighted sum zero