« previous next »

Author Question: In two investigations, African-American children adopted into economically well-off white homes ... (Read 117 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
on: Jun 22, 2018
In two investigations, African-American children adopted into economically well-off white homes during the first year of life __________.
 
  A) scored low on intelligence tests during middle childhood
  B) attained mean IQs of 110 and 117 by middle childhood
  C) scored mean IQs of below 95 in middle childhood
  D) showed gains in IQ in early childhood, which dropped by adolescence

Question 2

Adoption studies reveal that __________.
 
  A) adopted children show a significant decline in IQ across middle childhood and adolescence, regardless of rearing conditions
  B) children of low-IQ biological mothers adopted at birth by parents who are well above average in income and education do as well as children of high-IQ biological mothers placed in similar adoptive homes
  C) genetic factors play a much greater role in IQ than environmental factors but have been overlooked in heritabilities, which typically underestimate genetic influences
  D) children of low-IQ biological mothers adopted at birth by parents who are well above average in income and education score above average in IQ during the school years


lucas dlamini

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Tri parti-colored (white, brown and black) guinea pig in its natural habitat. Tri parti-colored (white, brown and black) guinea pig in its natural habitat.
Emanuel Leutze’s Washington Crossing the Delaware (1851) is riddled with historical inaccuracies, mo Emanuel Leutze’s Washington Crossing the Delaware (1851) is riddled with historical inaccuracies, mo
Patterns of North American Religion Patterns of North American Religion
Self-esteem for Grade 3 and 4 children in Harter\'s studies Self-esteem for Grade 3 and 4 children in Harter\'s studies
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library