As part of an experiment on the effects of behavior modeling, a set of raters are evaluating prosocial behavior in a series of videotapes of a preschool class. Initially, the raters were quite strict in their ratings, but after 3 hours of rating, their criteria had changed. Which type of threat to internal validity has occurred?

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Social Studies

Sherlyn

6 June, 22:24

As part of an experiment on the effects of behavior modeling, a set of raters are evaluating prosocial behavior in a series of videotapes of a preschool class. Initially, the raters were quite strict in their ratings, but after 3 hours of rating, their criteria had changed. Which type of threat to internal validity has occurred?

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Savannah Mcgee · Answer 1

instrumentation

Explanation:

As part of an experiment on the effects of behavior modeling, a set of raters are evaluating prosocial behavior in a series of videotapes of a preschool class. Initially, the raters were quite strict in their ratings, but after 3 hours of rating, their criteria had changed. the type of threat to internal validity that occur is instrumention.

Instrumentation is the e changes in the instrument, observers, or scorers which may produce changes in outcomes.