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Key Concepts and Theories of Research

Representativeness and generalisability

  • 3 things to know
  • AS Unit 2 and A2 Unit 4

Overview

Relationship between representativeness and generalisability, target population and case study in sociology.

What you need to know

Answer each one before you reveal it.

Your recallNot started
Key term

Explain why findings from one place or one small group may not carry beyond it.

Key term

Define generalisability.

Key term

Explain the relationship between representativeness and generalisability.

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What makes a sample representative?

    Model answer

    It has the same relevant characteristics, in the same proportions, as the target population it is drawn from.

  2. 2

    Define generalisability.

    Model answer

    The extent to which findings from a sample can legitimately be applied to the wider population.

  3. 3

    Explain the relationship between representativeness and generalisability.

    Model answer

    Generalisation is only justified if the sample represents the population, because otherwise the findings describe only the people studied.

  4. 4

    Why does sample size affect confidence in a generalisation?

    Model answer

    A larger sample reduces the chance that an unusual group of individuals has distorted the findings.

  5. 5

    Why are the findings of a small ethnographic study rarely generalised?

    Model answer

    The group studied is small and chosen for access rather than typicality, so it cannot be assumed to represent anyone else.

  6. 6

    How do interpretivists respond to the charge that their studies cannot be generalised?

    Model answer

    They argue the aim is depth of understanding of meanings in a particular setting, not statistical generalisation to a population.

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