What statistical test was used in "Using Teacher-Written Praise Notes to Promote a Positive Environment in a Middle School?" Did the authors use the correct statistical test? In other words, what was their rationale for using this test (i. e., were the variables discrete or continuous and was the test appropriate for this type of data?)
What was the research question? How did the statistical test address and answer the research question?
How did the authors interpret the results of this study?