In a controlled experiment; what is the primary purpose of a control group?
- A. To provide a baseline for comparison against the experimental group ✓
- B. To increase the sample size of the study
- C. To test multiple variables simultaneously
- D. To eliminate the need for a hypothesis
Correct answer
A. To provide a baseline for comparison against the experimental group
Explanation
A control group serves as a baseline that isn't exposed to the variable being tested; allowing researchers to compare results and isolate the effect of that variable.
Submitted by: MCQsHub Editorial
Related MCQs
- If a car travels at 60 miles per hour; how far does it travel in 2.5 hours?
- What is the slope of a line passing through the points (2; 3) and (6; 11)?
- Choose the best transition word for the sentence: "The experiment failed twice; ___; the team refused to give...
- A weather balloon rises at a constant rate. If it reaches 500 feet after 4 minutes; what is its rate of ascent...
- If 2/5 of a number is 40; what is the number?
- Which choice most effectively eliminates redundancy in the phrase 'a small; tiny room'?