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This page contains links to other websites that offer help with t-tests.

Wadsworth/Cengage Learning:  A higher education partner website, includes workshops for statistics and research methods. 

Independent v. Repeated t Tests Workshop

WINKS:  A software website (Texasoft) that offers free statistics tutorials.

Independent Group t-test Tutorial

Paired t-test Tutorial

Single Sample t-test Tutorial

VassarStats:  A website by Vassar College professors which includes explanations of statistical procedures, as well as calculators and tools.  Also links to a textbook companion site.

Click on t-Tests and Procedures
Stat Pages:  A website containing 600+ links to other sites that provide free information, calculators, statistical software, etc.

Sample Comparisons Links
Youtube Video: Independent Samples t-test (1) Youtube Video: Independent Samples t-test (2)
Youtube Video: Dependent Samples t-test