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 212 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
Thanks for the timely response, appreciate it

parshano

  • Member
  • Posts: 333
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Rinne Test, Assessing Bone Conduction Rinne Test, Assessing Bone Conduction
Changes in Blood Test Values with Acute Myocardial Infarction Changes in Blood Test Values with Acute Myocardial Infarction
A latex agglutination test for rheumatoid factor. A positive control at 1. A negative control at 2. ... A latex agglutination test for rheumatoid factor. A positive control at 1. A negative control at 2. ...
Alternative for pass-point test Alternative for pass-point test
At what pH is the amino acid glycine with a Ka of 2.51 × 10-10 sixty-six (66%) percent ... At what pH is the amino acid glycine with a Ka of 2.51 × 10-10 sixty-six (66%) percent ...
If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ... If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ...
Video: Fetal development - Weeks 9 to 38

For a complete list of videos, visit our video library