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Refer to SPSS handout for more details about commands

Cross tabulations

  • Analyze > Descriptive Statistics > Crosstabs
    • Use this screen to find if there is an association between one variable (in box one) and another variable (in box two)
    • Layers: You can add other variables of interest. If you add variables, it will give you completly seperate analysis
      • If the chi-squares are the same... distribution is the same regarless of the layer variable

Calculating a Chi-square test

  • Analyze > Descriptive Statistics > Crosstabs
    • On crosstabs: click Statistics
      • In statistics: select Chi square test, Expected, Rows, and Columns
  • Chi square statistic is to the right of Pearson Chi-Square under "Value"
  • P-Value is found under the row Pearson Chi-Square & column "Asymp. Sig. (2-sided)

Interpreting this data

  • If the significance level is below .05 (In pearson Chi-square), there is an association between the two levels. (Observations will be very near to expectations).
  • You also want to compare the actual count and the expected count

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This page was last modified on 5 October 2005, at 18:33.
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