Question
Trevor performs an experiment and determines that only the independent variable caused changes in the dependent variable. Which of the following can Trevor say his experiment has?
A.
Internal Validity
B.
External Validity
C.
Significance
D.
Positive Correlation
A.
Internal Validity
B.
External Validity
C.
Significance
D.
Positive Correlation
Answers
GPT-4o mini
Trevor can say that his experiment has:
**A. Internal Validity**
Internal validity refers to the extent to which an experiment demonstrates a clear cause-and-effect relationship where the independent variable is the only factor that caused changes in the dependent variable.
**A. Internal Validity**
Internal validity refers to the extent to which an experiment demonstrates a clear cause-and-effect relationship where the independent variable is the only factor that caused changes in the dependent variable.