A young man's fiancé calls at 11:00 p.m. every night. As the usual time for the call approaches, he looks at the phone more and more frequently. His phone looking is being reinforced according to a ______

Which of the following is FALSE regarding students in cooperative classrooms?

A) Students are accorded equal status in the classroom and given equal responsibilities. B) Students exhibit higher levels of achievement. C) Students tend to re-sort themselves into groups based on gender and ethnicity. D) Students form more cross-ethnicity friendships even outside the classroom.

With regard to handedness and hemispheric speech dominance,

a. over 90 percent of the population shows right-hemisphere dominance for speech. b. left-hemisphere speech dominance is noted in 50 percent of right-handed people. c. left-hemisphere speech dominance is noted in 50 percent of ambidextrous people. d. over 90 percent of the population shows left-hemisphere dominance for speech. e. right hemisphere speech dominance does not occur in left-handed people.