Charles Read a Study That Examined the Effects of Animation

Multiple Choice

Charles read a study that examined the effects of animation on learning science
text content. There were three groups in the study. Students were randomly
selected from a 10^th grade science class and randomly assigned to a condition. One
group received a text only, the other group received a text and an animation, the
third group received only the animation. Five students were in each condition.
ANOVA indicated significant differences between groups and post hoc analysis
revealed the animation only group performed better than the other two
conditions.
-One critique of the study is the number of students in each condition. This is primarily a critique for which section of the research report?

A) participants
B) instruments
C) procedures
D) discussion