Answer:
C. They are facing each other at a point.
Explanation:
One facing east and the other facing west came in later on.
Answer:
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.
The answer to your question is true.
Answer:
True: im writing this because it needs more letters to be able to answer
