A conditioned stimulus is presented repeatedly without the paired presentation of the US. After time, the subject no longer makes the conditioned response. This fading of the CR is known as habituation

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.

_____ and _____ are two proven behavioral modification techniques that are based on operant conditioning

Fill in the blank with correct word