A human resource manager at a large organization is looking to enhance his hiring skills by taking additional psychology courses at a local college. Which area of psychology would be most beneficial for him? O a, industrial-organizational psychology O b. sensation and perception psychology Oc evolutionary psychology O d. developmental psychology Like behaviorism, which of these relies primarily upon objective observation rather than subjective introspection? O a. humanistic psychology O b. Gestalt psychology OC. experimental psychology Od. cognitive psychology A behaviorist approach that rejects both introspection and any study of mental events, such as thinking, as inappropriate topics for scientific psychology is called Oa. Neo-Freudian. O b. determinism. Oc psychoanalysis. O d. radical behaviorism.