________ refers to gathering primary data by selecting matched groups of subjects, giving them different treatments, controlling related factors, and checking for differences in group responses.
A) Experimental research
B) Constructive research
C) Observational research
D) Survey research
E) Descriptive research

Question

Quizplus · Accepted Answer

The description given in the question defines experimental research.

________ Refers to Gathering Primary Data by Selecting Matched Groups