The Megargee Study Highlights All of These Features of T-Data

The Megargee study highlights all of these features of T-data EXCEPT

A) it is possible to set up conditions that make indicators of personality observable.
B) there are often interesting links between self-report data and test data.
C) laboratory test data is sensitive to personality characteristics.
D) the interpersonal style of the experimenter changed the results of the study.