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Multilingual Statistics

Comparison Groups with 2+ Post-tests and/or Covariates

Answer the following questions about your data sets:


×





How many post-tests do you have?*



How many covariates do you have?*

*Click on the black ? symbol for help




For Methods Section:

The description of your test will be printed here:


For Results Section:

Your results will be printed here:






Please cite the book below if used for research purposes.

Spring, R. (2026). From concept to calculation: Classical statistics in language education research. TESL-EJ Publications.

Get the free e-book here or purchase a paperback or kindle version (all proceeds go to TESL-EJ to support non-profit TESOL research). Get explanations, sample data and explanatory Excel Sheets here.

Visit the research page of the creator, Ryan Spring, for examples of these tests used in practical research.