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

Author Question: The research of Robert McCall, which evaluated the stability of IQ in a sample of 140 children, ... (Read 75 times)

s.tung

  • Hero Member
  • *****
  • Posts: 577
The research of Robert McCall, which evaluated the stability of IQ in a sample of 140 children, found that
 
  a. IQ is stable over time.
  b. about 50 percent of the sample had fluctuations in IQ that average 20 points.
  c. about 50 percent of individuals had increases in IQ.
  d. all individuals in the sample showed a decline in IQ.

Question 2

Concerning stability over time,
 
  a. IQ scores become increasingly unstable as one matures.
  b. IQ is strongly stable from preschool age and later.
  c. IQ is more stable for girls than for boys.
  d. IQ is more stable for some individuals than for others.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

livaneabi

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

B

Answer to Question 2

D




s.tung

  • Member
  • Posts: 577
Reply 2 on: Jun 22, 2018
Wow, this really help


bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Excellent

 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

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?

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.

For a complete list of videos, visit our video library