When a previously conditioned CS is used to make another stimulus into a second CS, the effect is known as ____________

People who grieve over the death of a loved one

a. may speed up the "process" of grief with intervention from a mental health professional. b. may be predisposed to depressive disorders. c. may exhibit undifferentiated dysthymia. d. rarely exhibit impacted grief reaction.

There is a study showing the relation between hostility ratings for cities and the

death rates in those cities. This study would be classified as _____ research. (a) experimental (b) correlational (c) anecdotal (d) independent variable