Using a twin study, professor jones has just found that identical twins were more likely to both develop a conduct disorder than were fraternal twins. he has decided to announce to the world that, clearly, conduct disorder is determined by one’s genes. his colleagues suggested, however, that he use caution when interpreting these findings because

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.

Keesha's friend is giving a speech tomorrow and is worried because she just got an unflattering haircut. she is convinced everyone will stare at her bangs and will discuss her unattractive hair. her overestimation of people's reactions is known as: social fluency. a self-serving bias. the spotlight effect. the barnum effect.

With regard to personality, it appears that: a) there is little consistency of behavior from one situation to the next and little consistency of traits over the life span.b) there is little consistency of behavior from one situation to the next but significant consistency of traits over the life span.c) there is significant consistency of behavior from one situation to the next but little consistency of traits over the life span.d) there is significant consistency of behavior from one situation to the next and significant consistency of traits over the life span.