# Inferential tests: Chi-Square test

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• Created by: racheon
• Created on: 03-11-14 19:08
When do we use this test?
When we have counted how many occurrences there are in each category, called 'frequency data'.
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What is the first step in the Chi-Squared test?
You state the alternative and null hypothesis
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What is the second step?
Draw up a contingency table.
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What is the third step?
Find the observed value by comparing observed and expected frequencies for each cell. The expected frequencies are calculated but working out how the data would be distributed if there were no difference or pattern.
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What is the fourth step?
Add all the values in the final column.
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What is the fifth step?
Find the critical value. Calculate the degrees of freedom by (rows-1)x(columns-1).
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What is the final step?
State the conclusion.
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When would you use the Chi-Squared test?
If the hypothesis sates a difference between 2 conditions or an association between co-variables, the sets of data are independent, the data are in frequencies.
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When would a Chi-Squared test be unreliable?
When the expected frequencies fall below 5.
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What are the 3 kinds of parenting style and what effect do they have on children?
Authoritarian, democratic and laissez-faire. Buri found that children who experienced authoritarian were more likely to develop high self-esteem.
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## Other cards in this set

### Card 2

#### Front

What is the first step in the Chi-Squared test?

#### Back

You state the alternative and null hypothesis

### Card 3

#### Front

What is the second step?

### Card 4

#### Front

What is the third step?

### Card 5

#### Front

What is the fourth step?