To Maximize the Internal Validity of an Experiment, It Is

question 38

Multiple Choice

To maximize the internal validity of an experiment, it is best to make sure that

• A) patients are fully aware of which condition of the independent variable they are receiving.
• B) a heterogeneous group of patients are selected for the study.
• C) the control and experimental groups receive the same experience except for the dependent variable.
• D) the control and experimental groups receive the same experience during the study except for the independent variable.