Internal validity is concerned with which of the following?
A)the representativeness of the sample test units
B)the extent that the observed relationship between the independent variable and the dependent variable is generalizable to the real world
C)the measurement of extraneous variables that are internal to the experimental setting itself
D)the extent to which the change in the dependent variable was actually due to the independent variable
E)the control of the complex variables not having an effect on the independent variable

Question

Quizplus · Accepted Answer

Internal validity is concerned with the extent to which the change in the dependent variable was actually due to the independent variable. This means that internal validity is focused on eliminating alternative explanations for the observed relationship between the independent and dependent variables. Options A, B, C, and E are all related to external validity or measurement validity, but do not directly address internal validity.

Internal Validity Is Concerned with Which of the Following