A dialog between two fictional teachers provides some basic examples of how research that uses approved methodology may provide results that are significant statistically but not significant practically. (PGD)

The second half of a dialogue between two fictional teachers examines the significance of statistical significance in research and considers the factors affecting the extent to which research results provide important or useful information. (PGD)

Conducting research in university classrooms is difficult because the lecture method stifles discussion and limits opportunities to observe student/professor interactions. A recent study found that university classrooms are probably as chilly for minority students as they are for women. Bias against foreign students is less discernible. Study…