Ssps

Notes on SPSS for Windows

1. Frequency

Analyze → Descriptive Statistics → Frequencies

2. Mean, Max, Min, Standard Deviation

Analyze → Descriptive Statistics → Descriptive

3. Calculating the Mean Score of a Variable

a) Insert variable

b) Define the variable

c) Transform → Compute

d) Type in the Target variable, then the formula

4. Cronbach’s Alpha

Example: What is the reliability (internal consistency) of the multi-item scales?

Analyze → Scale → Reliability Analysis → Statistics → Scale if Item Deleted

5. Correlation Analysis

Example: Is job stress related to job satisfaction?

Analyze → Correlate → Bivariate

6. Comparison of Means – 2 Groups

Example: Is the mean income of male group significantly different form that of

the female group?

Analyze → Compare Means → Independent → Samples T-Test → Define Groups (after selection of test variable and group variable)

Note: If the Levene’s test is insignificant, assume equal variances.

7. Comparison of Means – 3 Groups

Example; Are the mean income of Chinese, Malays, and Indians significantly

different from one another? If yes, how do we determine among which

groups the true difference lies?

Analyze → Compare Means → One-Way ANOVA → move variable into the dependent list box → move variable into the factor box → Ok → Post Hoc → Turkey, Scheffe, Bonferroni, Duncan (or just select one test) → Continue → Ok

Note:

The F-test must be significant before you proceed to post-hoc test. If F-test is not significant, it means there are no differences among all the groups. Stop and do not proceed.

8. Chi-Square Test

Example: Is there any association between gender and marital status, both...