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Definitions of abnormality
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  1. Statistical Infrequency
  1. Statistical Infrequency

Normal distribution of IQ scores showing statistical infrequency

Before psychologists can treat mental health conditions, they must first define what is "abnormal". The most objective way to do this is by looking at numbers using Statistical Infrequency.

Definitions of abnormality Lesson

  1. A Level
  2. /Psychology
  3. /Definitions of abnormality

Step-by-step lessons on AQA A Level Psychology Definitions of abnormality. Each one builds up to exam-style questions. Start with the compulsory core topics before tackling the more evaluation-heavy optional and issues-and-debates content.

Lessons