This Psychology Factsheet examines the use of standard deviation as a way of analysing data in psychology, including its strengths and limitations. This Factsheet also contains a detailed outline of how to calculate standard deviation, including a worked example. Words in bold are defined in the glossary and the worksheet allows the opportunity to practice what you have learned. Exam Hints are included.

The examiner will expect you to be able to:

  • Understand and explain the use of standard deviation.
  • Interpret standard deviation scores to come to a conclusion about a data set.
  • Be able to calculate the standard deviation scores of a given data set.
  • Know the strengths and limitations of the use of standard deviation.
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Publication Date

January 2022


ISSN: 1351-5136

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279 Standard Deviation

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