Skip to main content
Revision World
GCSE
A-LEVEL
Study Calendar
Revision Maths
Revision Science
Revision Videos
Student Jungle
Search
User account menu
Sign up
Log in
GCSE
A-LEVEL
Study Calendar
Revision Maths
Revision Science
Revision Videos
Student Jungle
Breadcrumb
Home
A-Level Revision
Psychology A-Level Revision
Approaches to Psychology
Physiological Psychology
QUESTIONS
Raine
Question 4
Why are control groups used in experimental research? (2)
Answer
Breadcrumb
Home
A-Level Revision
Psychology A-Level Revision
Approaches to Psychology
Physiological Psychology
QUESTIONS
Raine
Log in
You must have JavaScript enabled to use this form.
Username or email address
Password
Forgot your password?
Create new account
Slot
