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 67 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
YES! Correct, THANKS for helping me on my review


mcabuhat

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

For a complete list of videos, visit our video library