Gretchen Is Comparing Second Grade Students' Spelling Ability Across Three

Multiple Choice

Gretchen is comparing second grade students' spelling ability across three existing groups. One group has had phonemic instruction, one group has used invented spelling, and the final group has had weekly spelling activities with high frequency words. Gretchen will likely use which of the following data analysis techniques to examine differences between these groups on a spelling test?

A) Chi Square
B) T test
C) Pearson r
D) ANOVA