Your first analysis
Walks through opening a CSV, exploring it, running a t-test, and exporting the result.
1. Open the file
File → Open Data File... (or Ctrl+O). Pick survey.csv (or any file with a numeric
outcome and a binary group).
2. Inspect
- Data View shows the raw rows.
- Switch to Variable View: confirm the outcome is
numericwith measurescale, and the grouping isstringornominal.
3. Run an Independent Samples T-Test
Menu: Analyze → Compare Means → Independent Samples T-Test.
- Pick
score(or whatever your outcome is) as the Dependent Variable. - Pick
gender(or another binary variable) as the Grouping. - Leave "Levene's homogeneity test" and "Cohen's d" checked.
- Click OK.
A formatted result lands in the Output zone:
- t statistic, df, two-tailed p
- Mean difference and its 95% CI
- Cohen's d effect size (with size interpretation)
- Levene's test for equality of variances
4. Visualise
- Graphs zone → Chart Type: Box Plot → X =
score, Group By =gender→ Generate. - Click the PNG button in the chart toolbar for a 300 dpi export.
5. Export
File → Export Full Report... produces an HTML / Markdown / LaTeX report with the t-test
table and box plot already laid out.