How to do a Sign Test

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We use a sign test when we're looking at a repeated measures design, when the data is nominal, and when we're looking at a difference.

Significance is a statistical term that shows that the research findings are sufficiently strong for us to accept the research hypothesis under test. The  level of significance for psychology is P is less than or equal to 0.05. Therefore there is a 1/20 likelihood of the hypothesis being down to chance.

A sign test is a statistical test used to determine the significance of a sample of related items of data.

1. Record each pair of data and put a + if it was happier…

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