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 168 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
Gracias!

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

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

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Coagulase Test Coagulase Test
Relative rate test, calibrating the molecular clock, and calculating divergence dates. Relative rate test, calibrating the molecular clock, and calculating divergence dates.
The Wug Test The Wug Test
How to solve any percent error problem How to solve any percent error problem
Consider the following hypothesis problem. n = 30 H0: 2 = 500 s2 = 625 Ha: 2 500 The test ... Consider the following hypothesis problem. n = 30 H0: 2 = 500 s2 = 625 Ha: 2 500 The test ...
Polygraph Test Polygraph Test
Video: Digestive System Animation

For a complete list of videos, visit our video library