Structural equations modeling is used to
a. test possible causal relationships among a set of correlated variables
b. develop a sequence of statistical analyses
c. predict one criterion variable from a set of uncorrelated predictor variables
d. analyze underlying causal factors in a factor analysis
e. examine the path from internal psychological processes to social behavior
Question 2
The problem with the selection threat to internal validity is that
a. people may change through the course of the study.
b. people in different groups may already differ at the start of the study.
c. people in different groups may be exposed to different extraneous variables during the course of the study.
d. scores of the participants tend to move toward the average with repeated measurement.
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