What other activity will typically accompany babbling when a child wants something?

A psychologist wants to identify people who are likely to develop schizophrenia. Which variables would be the best choices to help in identifying individuals who are prone to developing schizophrenia?

a) perception, memory, and problem solving b) blood pressure, heart rate, and respiration levels c) physical strength, reaction time, and visual acuity d) blood oxygen level, history of alcohol use, and caffeine use

Which of the following research techniques would be most useful to a researcher investigating the backgrounds of children born with rare neurological conditions?

A) Case study B) Self-report C) Naturalistic observation D) Experimentation