# COMM 300: SPSS

### From BluWiki

## Contents

## Commands

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

- On crosstabs: click Statistics
**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