"It’s so noisy! How can you stand it?" remarks Caitlyn as the thruway traffic screams past her friend Dave’s ground floor apartment. "I don’t even notice it anymore," Dave replies. This exchange best exemplifies the psychophysical concept of:

Inspired by the example of that great cornellian, vladimir nabokov, some of your friends have become amateur lepidopterists (they study butterflies). often when they return from a trip with specimens of butterflies, it is very difficult for them to tell how many distinct species they've caught— to the fact that many species look very similar to one another. solution

Awife was having an affair with her neighbor. the wife and her husband had a prenuptial agreement that prevented the wife from receiving any of the husband’s sizable fortune in the event of a divorce. the wife and her neighbor formed a plan to murder the husband and run away together with the wife’s inheritance. the neighbor shot the husband one evening, killing him instantly, then drove to a town 100 miles away and checked into a motel. later that night, the police showed up at the motel with a valid warrant for the neighbor’s arrest. after the neighbor was arrested and placed in a police car, the police asked the motel clerk for permission to search the room, and the clerk granted the request. the police found the gun hidden in the tank of the toilet. the wife and the neighbor were each charged with first-degree murder and tried separately. at her trial, the wife sought to suppress any evidence of the gun, arguing that it was seized illegally. what is the prosecution’s strongest response to this argument? athe motel clerk gave the police permission to search the room. bthe wife was not staying in the motel room where the gun was found. cthe gun was found in a search incident to a lawful arrest. dthe neighbor did not have a reason

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.