_____________ is a method of gathering primary data in which the researcher alters one or more variables while observing the effects of those alterations on another variable.
A) An experiment
B) A sample
C) A survey
D) Research

Question

Quizplus · Accepted Answer

An experiment is a method of gathering primary data where the researcher manipulates one or more variables to observe the effects on another variable.

_____________ Is a Method of Gathering Primary Data in Which