QUESTION 40

H1: Leadership training will decrease manager desire to change jobs.

1. Let's now consider that investigator who earlier changed the H1 study tooffer the leadership training to managers with very high scores on job change desire (refocusing on this group), who then collects a measure of change desire (reliability = .50) prior to the training, then conducts the training, and follows it by measuring desire once again, ultimately using the change scores as data for supporting H1.Ultimately, the results show that interest in job change declined after the training. Which of the following is the most likely threat to internal validity in this study?

A.

History

B.

Maturation

C.

Regression to the Mean

D.

Selection Bias

E.

Treatment Diffusion