They may also include strongly held beliefs such as moral disapproval of sex outside marriage. It was during this same period that the US experienced a major increase in sexual activity among teenagers. Second, a model of the process of initiation of sexual intercourse is discussed. Retrieved February 5, A number of theorists have explained early sexual activity and non-use of contraception by teens as irrational behavior due to their lower level of cognitive development. Billy and Udry b,c and Billy et al. These race differences should be taken seriously and more effort paid to explaining them.
Whites report just the opposite; they prefer an age at first marriage younger than age at first birth Moore et al.
In fact, one recent analysis of nationally representative data collected by Kantner and Zelnik in Billy, found that once a number of factors relating to sexual activity were controlled, young women in larger communities were less likely to report having experienced intercourse than those in smaller communities. There is some evidence that the closeness of the mother-daughter relationship is associated with sexual activity. Another study showed that 11—12 year old boys, the heaviest viewers, watch an average of 26 hours per week Timmer et al. Finally, research has not studied the initiation of sexual activity early enough to capture the transition for the majority of black males and a large proportion of black females. The pilots were unable to activate the runway lights during a night landing at Jackson Hole Airport due to the use of out-of-date approach platesbut continued the landing anyway. Is there anything more sweeter than this moment with Sandra Oh and her mom? Archived from the original on August 23,