« previous next »

Author Question: A test has a standard deviation of 4 and a reliability of .91 . What is the standard error of ... (Read 90 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?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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?

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

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

CycleBeads help women use the Standard Days Method. CycleBeads help women use the Standard Days Method.
Deviation of Normal Posture Deviation of Normal Posture
Varus Stress Test Varus Stress Test
Amonia plama test Amonia plama test
Knee Reflex Test Knee Reflex Test
standard reduction potential (Eo), the greater the tendency of the oxidized form of a redox couple standard reduction potential (Eo), the greater the tendency of the oxidized form of a redox couple
Video: Inflammatory response Animation

For a complete list of videos, visit our video library