1.when you step out of the bright sunshine into a dark movie theater, your vision gradually adjusts to the relative gloom. this process is known as adaptation.
a. vestibular
b. retinal *
c. sensory
d. intensity

2.the hormone that produces male secondary sex characteristics is

a. testosterone. *
b. prolactin.
c. estrogen.
d. progesterone.

3.if you're a psychologist who is fascinated by how alcohol acts on the nervous system to alter perception, you probably follow the perspective.

a. existential
b. psychoanalytic
c. cognitive*
d. biological

4.among william james's contributions to the science of psychology is that he

a. developed a psychodynamic treatment for mental illness.
b. experimented with classical conditioning.
c. developed separate theories of objective and subjective states.*
d. wrote the first american text in psychology

5.ultraviolet rays are potentially harmful to us primarily due to their

a. amplitude.
b. high frequency.
c. long wavelength.*
d. intensity