When to use non-parametric tests and when to use t-tests

Why do we use nonparametric tests? Describe a psychological research situation or scenario that would use a non-parametric test.

What is an example of a situation in which you would use a t test? What are the reasons a t test would be used?

Solution Summary

Explains the difference between parametric and non-parametric tests in detail. Provides an example of a question that would be answered using non-parametric tests. Explains why we use t-tests and provides an example of a question that would be answered using an independent samples t test.