In the study depicted in the figure above, why might researchers have measured blood pressure twice?
A) To make sure the first measurement could be trusted
B) To decrease testing effects
C) To make sure the two groups were equal before the manipulation
D) To establish temporal precedence

Question

In the study depicted in the figure above, why might researchers have measured blood pressure twice? 
A) To make sure the first measurement could be trusted 
B) To decrease testing effects 
C) To make sure the two groups were equal before the manipulation 
D) To establish temporal precedence

Quizplus · Accepted Answer

The Answer of In the study depicted in the figure above, why might researchers have measured blood pressure twice? 
A) To make sure the first measurement could be trusted 
B) To decrease testing effects 
C) To make sure the two groups were equal before the manipulation 
D) To establish temporal precedence

In the Study Depicted in the Figure Above, Why Might