This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the general conclusion of researchers who have investigated the influence of genetic factors ... (Read 97 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: a.

Answer to Question 2

Answer: d.


JGIBBSON

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

robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Nirenberg and Leder's use of triplet binding assays to decipher the genetic code Nirenberg and Leder's use of triplet binding assays to decipher the genetic code
Genetic engineering as an application for cures Genetic engineering as an application for cures
General structure of eukaryotic pre-rRNA transcription units General structure of eukaryotic pre-rRNA transcription units
To retrieve flash codes from an OBD-I General Motors vehicle, connect terminals A and B with the ... To retrieve flash codes from an OBD-I General Motors vehicle, connect terminals A and B with the ...
Opener A field of pumpkins, where size is under the influence of additive alleles Opener A field of pumpkins, where size is under the influence of additive alleles
General Mathematics General Mathematics
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library