According to the text, the major factor in achieving internal validity is in the correct use of
A) statistical techniques of analysis
B) representative sampling methods
C) inductive logic
D) an adequate control group

Question

Quizplus · Accepted Answer

The major factor in achieving internal validity is ensuring that the study is designed in such a way that the results can be attributed to the intervention or treatment being tested, rather than to external factors. An adequate control group is essential for this, as it allows for a comparison between those who received the intervention and those who did not, helping to isolate the effect of the intervention itself.

According to the Text, the Major Factor in Achieving Internal