JASP and Jamovi | PSPP | |
t-tests | Shared variance only | Shared and unique variance |
Cost | Free | Free |
Output | Copies as tables | Copies as plain text |
More modules? | Yes | No |
Windows | One triple-pane window | Three windows |
Syntax | No | Yes, SPSS |
Contextual help | Yes, nicely integrated | No |
Can log commands to a file | Yes (can’t easily replay) | In theory/not working |
Mac open/save/print boxes | Yes | No |
Can use as SPV file viewer | Yes! |
JASP | Jamovi | PSPP | |
Regression | Stepwise, forward, backward | Enter (supports multi-step) | Enter (one step) |
Missing values | Program-wide only | By variable | By variable |
Statistics engine | R | R | PSPP |