In determining significant difference between scores, a significant difference at the .05 level indicates which of the following?
A) There is a 5% chance that the difference is significant.
B) There is a 95% chance that the difference is due to error.
C) There is a 5% chance that the difference is due to error.
D) There is a difference of 5% between the scores.

Question

Quizplus · Accepted Answer

A significance level of .05 means that there is a 5% chance that the difference between the scores is due to random error, and a 95% chance that the difference is real and not due to chance.

In Determining Significant Difference Between Scores, a Significant Difference at the .05