In the ______ phase of the sexual response cycle, the male ejaculates and the woman's uterus contracts rhythmically, and both men and women experience some loss of muscle control

According to the results of research involving twins and family members, which of the following has been suggested?

a. Homosexual men tend to have more gay relatives on their father's side of the family than on their mother's side of the family. b. Genes may play at least some role in determining a person's sexual orientation. c. If a child has one gay parent, their chance of being gay rises by approximately 70%, even if they are not raised by that parent. d. Homosexual individuals have fewer homosexual siblings as compared to heterosexual individuals, because the siblings are able to observe the difficulties associated with being gay, and this encourages them to choose to be heterosexual.

Dr. Winstell is interested in studying prejudice, and devises a study in which Caucasian participants are led to believe that they are chatting electronically with an African-American participant

In reality, the participants are responding to another Caucasian participant, and she discloses this information to all participants at the end of the study. Dr. Winstell has used ________ in her study. a. informed consent b. deception c. replication d. cross-cultural research