This topic contains a solution. Click here to go to the answer

Author Question: What is the general conclusion of researchers who have investigated the influence of genetic factors ... (Read 51 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
What is the general conclusion of researchers who have investigated the influence of genetic factors on attention-deficit/hyperactivity disorder?
 
  a. Genetic factors strongly contribute to this disorder.
  b. The concordance rate for MZ twins is high, but symptoms appear to be reactions to other mental disorders.
  c. Genetic factors seem to play no role in the development of this disorder.
  d. The concordance rate among dizygotic twins is higher than it is for monozygotic twins.

Question 2

What did Michael Rutter find in the study of the association between family adversity and externalizing disorders?
 
  a. There were no externalizing problems if there were no family problems.
  b. There was no association between family problems and externalizing disorders.
  c. The presence of one adversity factor was associated with a much higher rate of externalizing disorders.
  d. The presence of two adversity factors was associated with a much higher rate of externalizing disorders.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

potomatos

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

Answer: a.

Answer to Question 2

Answer: d.




JGIBBSON

  • Member
  • Posts: 538
Reply 2 on: Jun 22, 2018
Excellent


Kedrick2014

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

For a complete list of videos, visit our video library