Learning objective

Control refers to the measures taken by researchers to minimize or maintain the influence of extraneous variables constant.

Read the explanation, check the common trap, then practise with flashcards and questions.

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Exam focus

Read the explanation.
Check key terms.
Practise with linked questions.

Cambridge IGCSE PsychologyResearch methods

Study support

Understand this objective

Quick explanation

Control refers to the measures taken by researchers to minimize or maintain the influence of extraneous variables constant

This point belongs to T he features of an experiment., especially T he features of an experiment. outcomes.
You need to be able to control refers to the measures taken by researchers to minimize or maintain the influence of extraneous variables constant.
The key ideas to know are Define and Explain.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DefineExplain

Why it matters

This objective helps connect T he features of an experiment. outcomes to exam-style questions, flashcards, and revision notes for T he features of an experiment..

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