AP PSYCHOLOGY

Detailed explanation-1: -The treatment group (also called the experimental group) receives the treatment whose effect the researcher is interested in. The control group receives either no treatment, a standard treatment whose effect is already known, or a placebo (a fake treatment to control for placebo effect).

Detailed explanation-2: -An experimental group is the group that receives the variable being tested in an experiment. The control group is the group in an experiment that does not receive the variable you are testing.

Detailed explanation-3: -experimental group a group of participants in a research study who are exposed to a particular manipulation of the independent variable (i.e., a particular treatment or treatment level). The responses of the experimental group are compared to the responses of a control group, other experimental groups, or both.

Detailed explanation-4: -A control group in an experiment does not receive the treatment. Instead, it serves as a comparison group for the treatments. Researchers compare the results of a treatment group to the control group to determine the effect size, also known as the treatment effect.

Detailed explanation-5: -True experimental designs require random assignment. Control groups do not receive an intervention, and experimental groups receive an intervention.