Malcolm Works for a Major Pharmaceutical Company and Is in Charge

Multiple Choice

Malcolm works for a major pharmaceutical company and is in charge of designing a clinical protocol to study depression. The new medication under investigation has the potential to alleviate the symptoms of depression. Malcolm needs to describe how depression as well as how the improvement of depressive symptoms will be defined in the study in order to recruit the right subjects. In other words, Malcolm needs to provide a(n)

A) hypothesis.
B) theory.
C) operational definition.
D) functional definition.
E) investigative definition.