The chief function of the control group in an experiment is that it:
Correct answer: B. provides a point of reference against which the behavior of the experimental group can be compared
- A. allows mathematical relationships to be established
- B. provides a point of reference against which the behavior of the experimental group can be compared
- C. balances the experiment to eliminate all extraneous variables
- D. is not really necessaryTry Prep Courses
Explanation
A control group provides the baseline needed to judge whether the independent variable caused a change in the experimental group. It does not eliminate every extraneous variable, although controls help reduce their influence.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Research Methods and Statistics
263 free Research Methods and Statistics MCQs from Psychology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Psychology questions like this
Psychology is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Research Methods and Statistics questions
A major disadvantage of the experimental method is that:
Which of the following coefficients of correlation indicates the strongest relationship between two sets of variables?
Students who do better in high school tend to do better in college. This is an example of:
The most powerful research tool is a(n):
The statistical technique that combines results of a large number of studies is called:
We wish to test the hypothesis that music improves learning. We compare test scores of students who study to music with those who study in silence, Which of the following is an extraneous variable in this experiments?