One of the main reasons that the Tennessee Student-Teacher Achievement Ratio STAR)research meets the "gold standard" for education research was because
A)it used a large,diverse sample that was tracked longitudinally.
B)it randomly assigned students to classes.
C)it found that some variables were not significant.
D)both a and b are correct.

Question

Quizplus · Accepted Answer

The Tennessee STAR research meets the "gold standard" for education research because it used a large, diverse sample that was tracked longitudinally and randomly assigned students to classes. Both of these factors reduce the potential for bias and increase the quality of the research findings. Additionally, finding that some variables were not significant increases the validity of the study by ruling out alternative explanations for the results.

One of the Main Reasons That the Tennessee Student-Teacher Achievement