Exploratory factor analysis practice quiz

1 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?

2 To determine which variables relate to which factors, a researcher would use:

3 Averaging the scores for a set of related items creates what type of composite score?:

4 Cronbach's alpha (α) is a measure of:

5 In SPSS, if the "Alpha if item deleted" value is lower than than the Cronbach's alpha, what should probably be done?

6 Measurement error consists of:

7 Measures designed for individual assessment need _______________ measures designed for research.

8 When calculating regression-weighted composite scores, where do the weights come from?

9 A fuzzy construct is best measured by:

10 In psychometrics, validity is: