________ deals with the degree to which the design of a research study ensures that the effect of the independent variable is the only possible explanation for the study's results.
A) External validity
B) Internal validity
C) Construct validity
D) Statistical conclusion validity

Question

Quizplus · Accepted Answer

Internal validity refers to the extent to which a researcher has controlled for alternative explanations for the relationship between the independent and dependent variables in a study. It ensures that changes in the dependent variable are directly related to changes in the independent variable and not due to other confounding factors. Therefore, it deals with the degree to which the design of a research study eliminates alternative explanations for the results, making it the best choice among the given options.

________ Deals with the Degree to Which the Design of a Research