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Cambridge IGCSE Psychology practice

What is an extraneous variable?

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Show answerT he features of an experiment. revisionRevise the key idea

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MCQ

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cambridge_mcq

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Topic

T he features of an experiment.

Exam-style question

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What is an extraneous variable?.

  1. A.A variable that is manipulated by the researcher
  2. B.A variable that can affect the dependent variable
  3. C.A variable that is controlled in an experiment
  4. D.A variable that is not relevant to the study

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Paper 1 structured question: T he features of an experiment.

Paper 1Approaches, Issues and Debates1 marks

Description

Sleep Deprivation Study

The researcher has two groups: one that is sleep-deprived and one that is not. They measure cognitive performance using a standardized test.

  1. a

    Define extraneous variable

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    [1]