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?
To determine which variables relate to which factors, a researcher would use:
Averaging the scores for a set of related items creates what type of composite score?:
Cronbach's alpha (α) is a measure of:
In SPSS, if the "Alpha if item deleted" value is lower than than the Cronbach's alpha, what should probably be done?
Measurement error consists of:
Measures designed for individual assessment need _______________ measures designed for research.
When calculating regression-weighted composite scores, where do the weights come from?
A fuzzy construct is best measured by:
In psychometrics, validity is: