Psychometric instrument development/Quiz

Exploratory factor analysis practice quiz {A measure of general intelligence is completed by 221 people on each of two occasions (4 weeks apart). The correlation between the two attempts was 0.85. What does this correlation demonstrate?

- Inter-rater reliability - Internal consistency - Concurrent validity - Discriminant validity + Test-retest reliability
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{To determine which variables relate to which factors, a researcher would use: + Factor loadings - Communalities - Eigen values - Beta coefficients
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{Averaging the scores for a set of related items creates what type of composite score?: - Regression-weighted + Unit-weighted - Both of the above - None of the above
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{Cronbach's alpha (α) is a measure of: - Communality + Internal consistency - Test-retest reliability - Construct validity - None of the above
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{In SPSS, if the "Alpha if item deleted" value is lower than than the Cronbach's alpha, what should probably be done? + Keep the item - Drop the item - Impossible to know - None of the above
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{Measurement error consists of: + Systematic error + Random error - True score
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{Measures designed for individual assessment need _______________ measures designed for research. + higher reliability than - lower reliability than - equivalent reliability to
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{When calculating regression-weighted composite scores, where do the weights come from? - Correlations - Reliability analysis - Validity analysis + Exploratory factor analysis - Multiple linear regression
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{A fuzzy construct is best measured by: + Multiple related items - Multiple unrelated items - Single item
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{In psychometrics, validity is: - Repeatability - Internal consistency - Inter-rater reliability + When a measure measures what it is intended to measure
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