__________ is a method that tracks the fetus’s heartbeat, either externally through the mother’s abdomen or directly by running a wire through the cervix and placing a sensor on the fetus’s scalp

What was Mary Calkins's importance in the history of psychology? a. She was the first woman to get a PhD from Harvard

b. She was one of the first important women in psychology. c. She was the first psychoanalyst in the United States. d. She was the first forensic psychologist in the United States.

According to Piaget, which concept do children lack when they are in the preoperational stage?

a. Object permanence b. Conservation c. Schemas d. Accommodation