What is one of the leading causes of death of people living in Western countries?

In which substage of sensorimotor development would you first witness goal-directed behavior?

a. Simple reflexes b. Secondary circular reactions c. Primary circular reactions d. Tertiary circular reactions

A preexperimental design that explores a single event, person, or group in great detail is known as:

A. one-shot case study B. one-group pretest-posttest design C. pretest-posttest control group design D. between-participants design