When we plan a research project, we decide on the level of statistical significance we will use to reject the null hypothesis. This level is called the
A) probability value.
B) t level.
C) alpha level.
D) Type I value.

Question

Quizplus · Accepted Answer

The alpha level, also known as the significance level, is the threshold set by researchers to determine whether to reject the null hypothesis. It represents the probability of making a Type I error, which occurs when the null hypothesis is incorrectly rejected.

When We Plan a Research Project, We Decide on the Level