Dr. Smart has conducted a research study on a new reading strategy in two classrooms. She tested all students' reading abilities, used the new reading strategy with the one of the classrooms for a quarter, and then tested the reading abilities of the students in both classrooms at the end of the quarter. She adjusted her posttest scores because the students in the control classroom (who were not taught with the new reading strategy) scored higher on their pretests. This is an example of:

Question

Quizplus · Accepted Answer

Dr. Smart used analysis of covariance (ANCOVA) to adjust the posttest scores, accounting for the initial differences in pretest scores between the two groups.

Dr Smart Has Conducted a Research Study on a New