Q: Which equation would researchers use to estimate the adolescent pregnancy rate, according to the study materials?

$$\text{Pregnancy Rate} = \text{Births} + \text{Miscarriages} + \text{Abortions}$$

Question 1

According to the study materials, which factor is a better predictor of adolescent sexual activity than hormonal changes?

Accepted Answer

Social factors

Question 2

Based on the data shown in Figure 11.2, which statement best describes the trend in sexual activity among high school students from grade 9 to grade 12?

Accepted Answer

Sexual activity increases as students progress through grades.

Question 3

Which equation would researchers use to estimate the adolescent pregnancy rate, according to the study materials?

Accepted Answer

$$	ext{Pregnancy Rate} = 	ext{Births} + 	ext{Miscarriages} + 	ext{Abortions}$$

Question 4

Which of the following is a risk factor for early sexual activity and teen pregnancy, as described in the materials?

Accepted Answer

History of child maltreatment

Question 5

According to Figure 11.3, which racial/ethnic group has the lowest percentage of high school students who have ever had sex?

Accepted Answer

Asian

Question 6

Which statement about sex education programs in the United States is supported by the study materials?

Accepted Answer

Most states require 'abstinence-plus' curricula.

Question 7

What is the most common sexual orientation among adolescent males and females, according to survey data?

Accepted Answer

Exclusively heterosexual

Question 8

Which finding from twin studies supports the hypothesis that same-sex attraction has a biological basis?

Accepted Answer

Concordance rate for identical twins is higher than for fraternal twins.

Question 9

Which approach to health care is recommended for gender diverse adolescents experiencing distress about their gender identity?

Accepted Answer

Gender-affirming care

Question 10

According to the study materials, what is sensation seeking and how does it relate to adolescent behavior?

Accepted Answer

A desire to experience increased levels of arousal, leading to recklessness and increased accidents.

Question 11

Which statement best describes the trend in teen birth rates among different countries, as shown in Figure 11.4?

Accepted Answer

The United States has one of the highest teen birth rates.

Question 12

Which of the following is NOT a component of Bronfenbrenner’s ecological model as depicted in the provided diagram?

Accepted Answer

Endosystem

Question 13

Which factor is associated with a lower likelihood of teen pregnancy, according to the study materials?

Accepted Answer

Doing well in school

Question 14

Which of the following statements about adolescent contraceptive use is accurate?

Accepted Answer

Nearly 90% of sexually active high school students report using some form of contraception.

Question 15

Which psychological disorder is associated with marked declines in functioning due to disabling levels of anxiety about one’s gender identity?

Accepted Answer

Gender dysphoria

Question 16

Which of the following is a plausible explanation for heightened sensation seeking in adolescents?

Accepted Answer

Lack of maturity in the prefrontal cortex

Question 17

Which group is most likely to report feeling isolated and unaccepted by peers, according to the study materials?

Accepted Answer

Teens with same-sex and bisexual orientation

Question 18

Which intervention is most commonly recommended by developmentalists and public health advocates to improve sex education?

Accepted Answer

Programs including training in social and decision-making skills, as well as information about STIs and pregnancy

Question 19

Which statement about the impact of substance use during adolescence is supported by the study materials?

Accepted Answer

Choices regarding substance use can have lifelong consequences.

Question 20

If a researcher wants to calculate the concordance rate for same-sex attraction among twins, which formula should they use?

Accepted Answer

$$	ext{Concordance Rate} = \frac{	ext{Number of twin pairs with same-sex attraction}}{	ext{Total number of twin pairs}} 	imes 100$$

Adolescent Sexuality, Gender Diversity, and Health: A Developmental Psychology Overview

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