When we act contrary to our attitudes and beliefs, the amount of discomfort that we feel depends on the degree to which our actions can be explained by rewards or other circumstances, that is, it depends on the amount of __________

The one theory of cognitive disorders that has received great research attention, especially for Alzheimer's disease, by focusing on key brain changes cascading or resulting from various genetic and environmental factors is the

a. serotonin cascade hypothesis. b. peptin cascade hypothesis. c. dopamine cascade hypothesis. d. amyloid cascade hypothesis.

A researcher is studying how anxiety tends to be experienced by people of different ages. The researcher interviews anxious adolescents, young adults, individuals in their 30s and 50s, and those over 70 . The individuals in each age group represent a

a. treatment group b. control group. c. longitudinal group. d. cohort.