Skip to content

Loading…

Home
Subjects
Past papers
Key terms
Pricing

My courses

Select your courses

Loading…

Subjects

History
Geography
Biology
Chemistry
Physics
Combined Science
Mathematics
Classics
Business
Computer Science
Religious Studies
Statistics
Physical Education
Design and Technology
Food Preparation and Nutrition

Resources

Browse courses
Past papers
Key terms & definitions
Pricing

About

Sign up
Log in
Privacy Policy
Terms of Service

© 2026 GradeGen

Not affiliated with any exam board.

Control group — Edexcel GCSE Statistics Definition | GradeGen

Home
Statistics
Key terms
Control group

GCSE Statistics · key term

Control group

Definition

A comparison group in an experiment that does not receive the treatment being investigated.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Statistics · 1ST0

Specification 1d.07 · Paper 1, Paper 2

A control group does not receive that treatment. Comparing their outcomes helps researchers judge whether the treatment has an effect.
Revise: Extraneous variables and control groups

Edexcel Statistics past papers

Exam tips

1
The control group does not receive the treatment being investigated, but it may receive a placebo.

Related key terms

Extraneous variable
Matched pairs
Placebo
Test group

Revise Statistics with GradeGen

Create a free account to read GCSE Statistics revision notes for your exam board and track your progress.

Sign Up to Start Revising Log In