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Chi-Square

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A Level Psychology (Research Methods) Mind Map on Chi-Square, created by Eliza_ on 02/10/2015.
Eliza_
Mind Map by Eliza_, updated more than 1 year ago
Eliza_
Created by Eliza_ about 9 years ago
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Resource summary

Chi-Square
  1. When to use Chi-square
    1. The hypothesis predicts a difference or an association
      1. The sets of data are independent
        1. The data is nominal
        2. How to use Chi-Square
          1. Step 1. State the alternative and null hypothesis
            1. Step 2. Draw up a contingency table
              1. Step 3. Find the observed value by comparing observed and expected frequencies for each cell
                1. Step 4. Add all the values in the final column
                  1. Step 5. Find the critical value of chi-square
                    1. Step 6. Sate the conclusion
                    2. gReateR
                      1. The observed value needs to be greater than the critical value
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