The Characteristics of an Experimental Hypothesis Select the Experimental Hypothesis

The Characteristics of an Experimental Hypothesis Select the experimental hypothesis.

A) If people are repressors, then they will report fewer treatment side effects.
B) If people experience a nurturing attachment relationship during childhood, they will commit fewer violent crimes.
C) If people take St.John's Wort daily, they will report fewer depressive symptoms.
D) If people work as welders, they will have a greater risk of developing Parkinson's disease.