In a large-scale comparison of the effects of several new medications on depression, the researcher must begin at
A) the naturalistic level in order to observe participants in their natural environment.
B) a highly constrained experimental level in order to exert the necessary controls.
C) a lower constraint level in order to gather as much personal information as possible without exerting too much control.
D) the differential level of constraint because depression is a preexisting variable.
Question 2
The most appropriate design for comparing relapse rates for people with depression and people with schizophrenia is most likely to be
A) a case-study design.
B) a naturalistic design.
C) an experimental design.
D) a differential design.
Small and large intestines
Examples of Adverse Effects of Anticancer Drugs
Comparison of Joint Mobilizing and Stretching Techniques
Comparison of Female and Male Pelvis
Opener A researcher examines an agarose gel
Structure of a woody stem (comparison)