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

Author Question: A test has a reliability coefficient of .75. This coefficient indicates that a. 56 percent of the ... (Read 238 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jun 20, 2018
A test has a reliability coefficient of .75. This coefficient indicates that
 
  a. 56 percent of the variance in scores is true variance.
  b. 75 percent of the variance in scores is true variance.
  c. 25 percent of the variance in scores is true variance.
  d. 75 percent of the test items are valid.

Question 2

The coefficient of correlation between a scholastic aptitude test and GPA was found to be 1.05. This coefficient indicates that
 
  a. the scholastic aptitude test has good reliability.
  b. the scholastic aptitude test has high validity.
  c. the scholastic aptitude test is useful as a predictor of school achievement.
  d. there is an error in the computation.
  e. None of these are true.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Mochi

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

D


haleyc112

  • Member
  • Posts: 600
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Varus Stress Test Varus Stress Test
One target for expanding medical services involves vaccinations. Only 78 percent of children ages 19 ... One target for expanding medical services involves vaccinations. Only 78 percent of children ages 19 ...
Test for Depressive Symptoms: CED Scale Test for Depressive Symptoms: CED Scale
To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ... To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ...
Exhaust Restriction Test Exhaust Restriction Test
Polygraph Test Polygraph Test
Video: Muscular Dystrophy

For a complete list of videos, visit our video library