If a researcher reported for an independent-groups t test that t(12) = 3.66, p < .01, how many subjects were there in the study?

Which of the following is a possible culprit of "morning sickness"?

a) increased minute respiration b) decreased intestinal peristalsis c) decreased aldosterone secretion d) increased blood volume

Which of the following is true of motor neurons?

a. they have no direct contact with the outside world b. they carry messages from the brain to muscles to produce behaviors c. they remove wastes from the central nervous system d. they carry information toward the spinal cord and brain