6.1.3

(2026 Exams) Problems with Introspection

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Problems with Introspection & Definition of Reductionism

Introspection is not reliable. Reductionism is an approach that reduces a complex phenomenon such as human behaviour to the simplest explanation possible.

Problems with introspection

Problems with introspection

  • Introspection is not reliable. We cannot objectively measure a person’s responses because they are unobservable responses.
  • Although participants could report on their conscious experiences, the processes themselves (e.g. memory, perception) are considered to be unobservable constructs.
  • Introspection is not particularly accurate or valid – most psychologists tend to accept the claim that we have very little knowledge of the causes of, and processes underlying our behaviour and attitudes, a claim which would challenge the value of introspective reports.
**Nisbett and Wilson (1977)**

Nisbett and Wilson (1977)

  • Nisbett and Wilson (1977) found that participants were remarkably unaware of factors that had influenced their choice of a consumer item. The problem is particularly acute in the study of implicit attitudes i.e. attitudes that are unknown to us.
    • E.g. a person may be implicitly racist, which influences the way they react to members of different ethnic groups, yet because such attitudes exist outside conscious awareness, self-reports through introspection would not uncover them.
Reductionism

Reductionism

  • Reductionism is an approach that reduces a complex phenomenon such as human behaviour to the simplest explanation possible. Often, this means looking for a biological basis for behaviour.
  • The advantage of a reductionist approach is that it can give a greater understanding of something by revealing evidence for a cause of behaviour.
  • The disadvantage is that humans and their environments are so complex that the reductionist explanation falls short of giving the whole explanation of the behaviour.
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1

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