The purpose of the t test for multiple comparisons is to
A) adjust for statistically significant differences that occur by chance because the comparison groups are compared on many variables.
B) provide an alternative approach to multiple comparisons when the assumptions underlying analysis of variance are not satisfied.
C) enable the use of analysis of variance when the number of comparison groups exceeds five.
D) all of the above.

Question

Quizplus · Accepted Answer

The t test for multiple comparisons is designed to adjust for statistically significant differences that might occur by chance when multiple groups are compared across various variables. This adjustment helps to ensure that observed differences are more likely to reflect true differences rather than random variation.

The Purpose of the T Test for Multiple Comparisons Is