A human factors psychologist studied five computer keyboard designs. Five samples of individuals (n = 8 for each sample) were given material to type on a particular keyboard, and the number of errors committed by each participant were recorded (DV). You have been asked to analyze the data.

What statistical test will you use?

Repeated measures t-test

Independent samples t-test

One-sample t-test

Correlation

One-way ANOVA

z-test

Regression

Then, answer why you chose the test you did?