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 79 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
Thanks for the timely response, appreciate it


Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

For a complete list of videos, visit our video library