Meg Developed a Within-Subjects Design for Examining Foreign Language Development

Multiple Choice

Meg developed a within-subjects design for examining foreign language development and learning. If there are three different conditions and all participants are assessed in each condition then Meg would ideally need a minimum of _____ to ensure appropriate statistical power.

A) 15 participants total
B) 30 participants total
C) 45 participants in each group
D) 45 participants to start, but more participants as the study continues