A series of observations before treatment allows a researcher to determine whether ____.
A)the treatment has a temporary effect
B)the treatment has a permanent effect
C)scores are influenced by assignment bias
D)scores are influenced by some factor unrelated to the treatment

Question

A series of observations before treatment allows a researcher to determine whether ____.
A)​the treatment has a temporary effect
B)​the treatment has a permanent effect
C)scores are influenced by assignment bias
D)​scores are influenced by some factor unrelated to the treatment

Quizplus · Accepted Answer

A series of observations before treatment allows a researcher to determine whether scores are influenced by some factor unrelated to the treatment. By monitoring the outcome variables before and after the treatment, the researcher can establish whether the treatment actually caused the change in the variables or if some other factors are responsible for the changes in the variables.

A Series of Observations Before Treatment Allows a Researcher to Determine