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Issues and Debates in Psychology

Idiographic and nomothetic approaches

  • 3 things to know
  • Paper 3

Overview

The idiographic study of the individual and the nomothetic search for general laws, the methods and examples typical of each, their strengths and limitations, and how the two approaches can be combined.

What you need to know

Answer each one before you reveal it.

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Process

What three kinds of general law does nomothetic research aim to establish?

Evaluation

Give one limitation of the nomothetic approach.

Process

What research methods are typical of the nomothetic approach?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is the idiographic approach to psychological investigation?

    Model answer

    An approach that studies the individual as unique, aiming for an in-depth understanding of one person rather than general laws.

  2. 2

    What research methods are typical of the idiographic approach?

    Model answer

    Case studies, unstructured interviews and other methods that produce qualitative data about a single person or small group.

  3. 3

    What is the nomothetic approach to psychological investigation?

    Model answer

    An approach that aims to establish general laws of behaviour that apply to everyone, by studying large groups of people.

  4. 4

    What research methods are typical of the nomothetic approach?

    Model answer

    Laboratory experiments, questionnaires and psychometric tests that produce quantitative data from large samples, analysed statistically.

  5. 5

    What three kinds of general law does nomothetic research aim to establish?

    Model answer

    Classifying people into groups, such as diagnostic categories; establishing principles, such as the laws of learning; and establishing dimensions, such as personality traits.

  6. 6

    Give one example of idiographic research in psychology.

    Model answer

    Freud's case study of Little Hans, or the case of Clive Wearing, each of which examined one person in great depth.

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