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

Author Question: A student received a score of 85 on a classroom test where the mean was 70 and the standard ... (Read 82 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
on: Jun 20, 2018
A student received a score of 85 on a classroom test where the mean was 70 and the standard deviation was 10 . The test was found to have a reliability coefficient of .64 . Which of the following statements would correctly express the accuracy of the student's obtained score? There are
 
  a. 50 chances out of 100 that the true score is included by the range of scores from 72 to 78.
  b. 68 chances out of 100 that the true score is included by the range of scores from 75 to 95.
  c. 68 chances out of 100 that the true score is included by the range of scores from 79 to 91.
  d. 75 chances out of 100 that the true score is included by the range of scores from 79 to 91.
  e. 95 chances out of 100 that the true score is included by the range of scores from 79 to 91.

Question 2

Choose the type of evidence (a-c) that would be of primary importance for the validity of the following tests. An end-of-year test in junior high school science
 
  a. evidence based on content
  b. evidence supporting construct
  c. evidence based on relationship to other variables


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

A


bobbysung

  • Member
  • Posts: 519
Reply 2 on: Jun 20, 2018
Gracias!

tanna.moeller

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

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

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

This engraving of the Boston Massacre (1770) became the most reprinted depiction of the event, and p This engraving of the Boston Massacre (1770) became the most reprinted depiction of the event, and p
Are the resutls from the glucose strip test consistent with the results obtained from the ... Are the resutls from the glucose strip test consistent with the results obtained from the ...
A vehicle being tested during an enhanced emissions test. A vehicle being tested during an enhanced emissions test.
Alternative for pass-point test Alternative for pass-point test
An educational institution has total direct labor and material costs of $1964 per student. Its ... An educational institution has total direct labor and material costs of $1964 per student. Its ...
The fluctuation test of Luria and Delbrück The fluctuation test of Luria and Delbrück
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library