Author Question: Norms for a new test of mental ability were obtained from a large sample of the general population. ... (Read 115 times)

geodog55

  • Hero Member
  • *****
  • Posts: 530
Norms for a new test of mental ability were obtained from a large sample of the general population. The mean of the test was set to 100 and the standard deviation was 15. Approximately what percentage of the population would fall within the range bounded by scores of 85 and 115?
 
  a. 20 percent
  b. 68 percent
  c. 2 percent
  d. 98 percent

Question 2

In Gestalt psychology, learning, especially problem solving, is accomplished primarily by _____.
 
  A) repetition
  B) insight
  C) continuous practice
  D) mechanical reinforcement



fur

  • Sr. Member
  • ****
  • Posts: 309
Answer to Question 1

ANSWER:
b

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Cyanide works by making the human body unable to use oxygen.

For a complete list of videos, visit our video library