Flinching at the sound of the dentist's drill as you are sitting in the dental office waiting room is an example of

After a trauma to the head, Tim began making poor decisions on a regular basis and had trouble planning ahead. In what area of the cerebral cortex do you suspect damage occurred?

A) the parietal lobe B) the occipital lobe C) the frontal lobe D) the temporal lobe

Adolescents indicate that if they had to work in same-gender pairs on a school assignment, they would want a partner who was:

A) an athlete. B) physically attractive. C) an A or B student. D) gifted and talented.

Valerie is pregnant and now at the stage of her pregnancy where her unborn baby is at itsmost vulnerable period of prenatal development to teratogens. At what stage of her pregnancy is Valerie?

A. Herthird trimester B. Hersecond trimester C. 3-9 weeks D. Herfirst month

David is afraid that the results from his experiment may not be able to be replicated in real life situations. David is concerned that his experiment lacks which type of validity?

a. external b. predictive c. construct d. internal