Educational psychologists might use teacher ratings of classroom social skillfulness (on a nine- point scale, where 1 = "exhibits no positive social skills in class" and 9 = "exhibits frequent positive social skills in class") to measure children's social behavior.

1. Consider how you might validate the nine- point classroom social skillfulness rating

. First, what behaviors or outcomes might be relevant to use to test this rating's

criterion validity ? Why did you choose those behaviors or outcomes?

2. Second, come up with ways to evaluate the convergent and discriminant validity

of this rating system: What measures(s) should correlate strongly with positive social skills? What measure(s) should correlate only weakly or not at all? Explain why you chose those measures.

3. Draw a scatterplot that would show results of a study in which a shyness rating has

good convergent or discriminant validity with the social skills rating (pay careful attention to how you label your axes). You can use any program to try to draw a scatter plot. If you are not able to do this electronically, simply describe how you would draw a scatter plot. Or you may draw a scatter plot and scan your document to attach electronically. Or you can draw a picture and snap a picture of it and upload it.