Question

question 5(multiple choice worth 4 points) (02.02 lc) which of these serves as a reference for comparison during a scientific investigation? outcome variable (dependent variable) test variable (independent variable) control group hypothesis

Explanation:

In a scientific investigation, the control group is kept under normal or standard conditions and serves as a baseline for comparison. The outcome variable changes in response to the test variable, and the hypothesis is a proposed explanation. But neither of them is for direct comparison like the control group.

Answer:

C. Control group