Eric is terrified of cows. in his first session with a therapist, eric is instructed in some deep-breathing exercises to create a calm state. then, the therapist prompts eric to visualize a mildly fear-provoking situation involving driving past a field of cows. eric's therapist is using
a. exposure.
b. exposure and response prevention.
c. systematic desensitization.
d. modeling

To what kinds of messages might the brain respond to keep you balanced on one foot?

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject.a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher.wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners.acceptable only when the researcher’s irb grants a special waiver.

All living things share certain characteristics. which of the following characteristics is not shared by all living things?