How do you get a Levene test in SPSS?
Table of Contents
How do you get a Levene test in SPSS?
Example: Levene’s Test in SPSS
- Step 1: Choose the Explore option. Click the Analyze tab, then Descriptive Statistics, then Explore:
- Step 2: Fill in the necessary values to perform the test. Drag growth into the box under Dependent List and drag fertilize into the box under Factor List.
- Step 3: Interpret the results.
Is Levene’s test a parametric test?
StatsDirect provides parametric (Bartlet and Levene) and nonparametric (squared ranks) tests for equality/homogeneity of variance. Most commonly used statistical hypothesis tests, such as t tests, compare means or other measures of location. Some studies need to compare variability also.
How do you test for homogeneity of variance in SPSS?
The steps for assessing the assumption of homogeneity of variance for ANOVA in SPSS
- Click Analyze.
- Drag the cursor over the Compare Means drop-down menu.
- Click on One-way ANOVA.
- Click on the continuous outcome variable to highlight it.
- Click on the arrow to move the outcome variable into the Dependent List: box.
How do you read Levene’s test of equality of error variances?
Reading the Output Read the result from the Sig column (Based on Mean) in the Levene’s Test of Equality of Error Variances box. A non-significant result here (greater than . 05) indicates you have met the assumption of homogeneity of variance (i.e., equal variances are assumed). A significant result here (lessthan .
How do you interpret the Levene’s test for equality of variances?
How do I report Levene’s test results?
Perhaps surprisingly, Levene’s test is technically an ANOVA as we’ll explain here. We therefore report it like just a basic ANOVA too. So we’ll write something like “Levene’s test showed that the variances for body fat percentage in week 20 were not equal, F(2,77) = 4.58, p = . 013.”
How is Levene’s test calculated?
Levene’s Testing Procedure Step 1: State the null and alternative hypotheses. Alternative Ha : Not all of the variances are equal. Step 2: Decide on the significance level, α. p-value ≤ α Note: df1 = t −1 and df2 = N − t Step 4: Compute Levene’s Statistic.
How do I report Levene’s test for equality of variances?
If Levene’s test for equality of variances is significant, report the statistics for the row equal variances not assumed with the altered degrees of freedom rounded to the nearest whole number.
How do I report the results of Levene’s test?
