Reporting results of the Chi-Square Goodness-of-fit test SPSS
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- čas přidán 27. 06. 2024
- // Reporting results of the Chi-Square Goodness-of-fit test SPSS //
The chi-square goodness-of-fit test (also: one-sample chi-square test) in SPSS usually consists of two parts:
First, the chi-square goodness-of-fit test itself, which compares an observed distribution and an expected distribution ( • Chi Square Goodness of... ).
Second, in the case of a significant difference - the effect size Cohen's ω (sometimes also referred to as Cohen's w). The effect size has to be calculated by hand, which is shown here: • How to calculate the e...
The reporting is limited to the essentials: chi-square value including degrees of freedom, p-value and effect size. The latter is also to be classified, optionally with Cohen (1992): A Power Primer, or the respective research field-specific limits.
Sample formulation:
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"The observed distribution differs from the expected distribution, with X²(2) = 6.118; p = 0.047; ω = 0.346.
The difference is medium according to Cohen (1992)."
⏰ Timestamps:
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0:00 Introduction and overview
0:12 Chi-Square goodness of fit results
0:32 Effect size Cohens ω
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