« previous next »

Author Question: A test has a standard deviation of 4 and a reliability of .91 . What is the standard error of ... (Read 91 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
on: Jun 20, 2018
A test has a standard deviation of 4 and a reliability of .91 . What is the standard error of measurement?
 
  a. 1.20 c. 3.64
  b. 1.82 d. 3.82

Question 2

Cronbach's coefficient alpha is preferred to the Kuder-Richardson 21 when
 
  a. the items are all of the same level of difficulty.
  b. the items are scored right or wrong (dichotomously).
  c. the responses may receive a varying number of points.
  d. a and c


cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

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

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Rinne Test, Assessing Air Conduction Rinne Test, Assessing Air Conduction
Talar Tilt Test Talar Tilt Test
A medical assistant performs a spirometry test using electronic health record software. A medical assistant performs a spirometry test using electronic health record software.
Photo of a sign taken at an emissions test facility. Photo of a sign taken at an emissions test facility.
How to factor a trinomial using trail-and-error How to factor a trinomial using trail-and-error
Mendel’s test cross to verify independent assortment Mendel’s test cross to verify independent assortment
Video: A timeline of the teeth (Explained - No Audio)

For a complete list of videos, visit our video library