t-Test Effect Size (Cohen's d) References
Below you will find a complete set of details for 2 different references / citations that are related to the computation of Cohen's d effect sizes for t-tests.
Reference for Citing the Online Calculator
- Soper DS. t-Test Effect Size (Cohen's d) Calculator [Online Software]. Available from https://www.analyticscalculators.com. 2025.
Reference from the Scientific Literature
- Cohen J. Statistical power analysis for the behavioral sciences. Lawrence Earlbaum Associates, Hillsdale, NJ. 1988.