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Cambridge IGCSE Psychology practice

Paper 1 structured question: V alidity, including subjectivity and objectivity.

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V alidity, including subjectivity and objectivity.

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Paper 1Approaches, Issues and Debates3 marks

A psychologist is evaluating the reliability of a new intelligence test.

Description

Evaluating Reliability

The psychologist administers the test to a group of participants twice, with a two-week interval between tests, to measure test-retest reliability.

  1. a

    Explain how the psychologist can assess the reliability of the intelligence test.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 1 structured question: V alidity, including subjectivity and objectivity.

Paper 1Approaches, Issues and Debates1 marks

Description

Reliability in Sleep Studies

The researcher uses a standardized test to measure cognitive performance after varying amounts of sleep. They conduct the test multiple times with the same participants to assess consistency.

  1. a

    Define reliability in the context of psychological testing.

    Aim for approximately 1 distinct marking point.

    [1]