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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 designing an experiment to test a new therapy for anxiety.

Description

Experiment on Anxiety Therapy

The psychologist plans to use a control group and random assignment to enhance the validity of the study.

  1. a

    Explain how using a control group can enhance the validity of this study.

    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

Study on Sleep Deprivation

The researcher plans to compare cognitive performance between a group of participants who have had normal sleep and another group who have been sleep-deprived for 24 hours.

  1. a

    Define validity in the context of psychological research.

    Aim for approximately 1 distinct marking point.

    [1]