The test of significance that determines if two group means differ more than would be expected by chance is the
A) t- test.
B) chi square.
C) ANOVA.
D) analysis of gain scores.

Question

Quizplus · Accepted Answer

The t-test is specifically designed to compare the means of two groups and determine if the difference between the means is statistically significant. The chi-square test is used to analyze categorical data, ANOVA is used to compare means of three or more groups, and analysis of gain scores is used to examine changes in scores over time.

The Test of Significance That Determines If Two Group Means