Means for Grade 2: 2013 and 2017
About the Study
Mean Difference for Grade 2 Scores: 2013 and 2017
This figure shows the difference in the mean score for students in Grade 2 in 2013 and 2017. The difference is evaluated by a t-test.
The estimated difference met conventional levels of statistical significance (p≤.05).
Effect Size: 0.70