Posted by Angie on .
A psychologist is performing an experiment involving a controlled group and an experimental group. With the experimental group, the psychologist is giving a placebo and labeling it as caffeine pill. The control group receives a caffeine pill, which is noted as such. Which of the following is occurring in this situation?
A. The control group feels no affects from the caffeine pill
B. From an observational standpoint, the placebo (independent variable) is measuring what changes are taking place(dependent variable)
C. The experimental group receives no increase from the placebo
D. Nothing occurs in this situation
A dependent variable has not been defined. Nothing can occur until you define the dependent variable.