Negative punishment involves the delivery of a negative stimulus following the behavior

In some branches of medicine, diagnosis refers to the identification of a physical illness and may be made on the basis of laboratory tests. In psychology, however, a diagnosis is

A) made on the basis of a single behavior, if significant. B) made only after consultation with the primary physician. C) based more on the presence of clusters of symptoms. D) based on several significant epidemiological factors.

Studies show that between 3 and 9 months of age, infants

a. become better at perceiving faces from other racial groups and stay the same at perceiving faces from their own racial group. b. become better at perceiving faces from their own racial group and stay the same at perceiving faces from other racial groups. c. become better at perceiving faces from their own racial group and worse at perceiving faces from other racial groups. d. show no changes in face perception, either for familiar or unfamiliar racial groups.