What is the condition that results from degeneration of the auditory nerves and inner ear structures, so that an individual loses the ability to hear sounds of high and very low frequencies?

Central Middle School has a large student body. Staff can minimize the effects of school transitions by

A) offering differentiated instruction for students. B) requiring students to participate in at least one extracurricular activity. C) forming smaller units within the school. D) segregating boys and girls and emphasizing competition.

When two variables are perfectly correlated, _____

a. one must cause the other, but we don't know which is the cause and which is the effect b. neither one causes the other c. it is certain that a third factor is causing both variables to co-vary d. none of these