This topic contains a solution. Click here to go to the answer

Author Question: A student received a score of 85 on a classroom test where the mean was 70 and the standard ... (Read 65 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
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
Answer to Question 1

C

Answer to Question 2

A




bobbysung

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


olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Excellent

 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

For a complete list of videos, visit our video library