When are boys and girls most likely to be the slimmest?

__________is a chronic sensation not clearly associated with any specific stimulus.

Fill in the blank(s) with the appropriate word(s).

Jacquelynne Eccles describes all of the following changes in school environment when moving from elementary school to middle school or junior high school, except that:

A. middle and junior high schools are larger and more impersonal. B. teachers in middle and junior high schools feel more confident in their teaching abilities. C. teachers in middle and junior high schools are less likely to trust their students. D. teachers in middle and junior high schools are more likely to believe that students' abilities are not easily modified through instruction.