________ is the extent that the research design was set to measure what was intended to be measured and not obscured by the accidental inclusion of any factors not intended to be included in the study.
A) External validity
B) Internal validity
C) External reliability
D) Internal reliability
E) Representativeness

Question

Quizplus · Accepted Answer

Internal validity refers to the degree to which a study accurately reflects or assesses the specific concept or relationship that the researcher is attempting to measure. It ensures that there are no alternative explanations for the results of the study, and that the design is robust and free from bias or confounding variables. The other choices are not directly related to this concept.

________ Is the Extent That the Research Design Was Set