Which of the following is an internal validity question in experimental research?
a. Does the sample represent the population?
b. Has statistical regression influenced the dependent variable?
c. Does the design provide adequate control of the dependent variable?
d. Can the experiment's results be generalized to other settings?
e. Is the study's cost worth the time and effort?
Question 2
Select the term which least belongs with experimental research.
a. Treatment group
b. Manipulation
c. Randomization
d. Description
e. Control