When researchers attempt to figure out the reasons for a nonhuman animal's behavior based on what cognitive processes might be taking place in the animal's mind, the research is engaging in

When Garcia was studying the effects of radiation on rats, he found that they

drank (a) less and less from the water bottles in their home cages (b) less and less from the water bottles in their radiation chambers (c) more and more from the water bottles in both their home cages and radiation chambers (d) more and more from the water bottles in their radiation chambers

From 4 to 6 months into the second year, angry reactions

A) decrease in both frequency and intensity. B) increase in intensity, but decrease in frequency. C) increase in frequency, but decrease in intensity. D) increase in both frequency and intensity.