Multiple Groups An experimenter can use a ____ to determine the appropriate levels of an independent variable before conducting the actual experiment.
A)correlational study
B)field experiment
C)pilot study
D)placebo condition

Question

Quizplus · Accepted Answer

A pilot study is conducted to determine the appropriate levels of an independent variable before conducting the actual experiment. This allows the experimenter to make any necessary adjustments before beginning the main experiment. Correlational studies and field experiments do not involve manipulating an independent variable, and a placebo condition is used in experiments involving a control group receiving a placebo instead of the actual treatment.

Multiple Groups an Experimenter Can Use a ____ to Determine