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 225 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
Wow, this really help

matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Test Paper Test Paper
Cylinder Leakage Test Cylinder Leakage Test
The Romberg test for balance The Romberg test for balance
Test-Cross Results from Mendel’s Experiments Test-Cross Results from Mendel’s Experiments
Morgan’s test-cross analysis of genetic linkage between autosomal genes Morgan’s test-cross analysis of genetic linkage between autosomal genes
Emerson’s Three-Point Test-Cross Analysis Emerson’s Three-Point Test-Cross Analysis
Video: Net filtration pressure and lymph formation, edema & blood velocity

For a complete list of videos, visit our video library