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

Author Question: To measure test-retest reliability of an instrument, a researcher may use the a. Cronbach alpha ... (Read 84 times)

stevenposner

  • Hero Member
  • *****
  • Posts: 608
on: Jul 8, 2018
To measure test-retest reliability of an instrument, a researcher may use the
 
  a. Cronbach alpha coefficient.
  b. Fischer's exact test.
  c. Kuder-Richardson score.
  d. Pearson's correlation statistic.

Question 2

Which describes an outlier?
 
  a. A data point with a value outside what is predicted by other data points
  b. Any data point far from the median point, but still within 2 standard deviations from the mean.
  c. A study result that is directly attributable to randomness.
  d. A study score from a subject lost to attrition after the study begins.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kdiggy

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: D

Answer to Question 2

ANS: A


stevenposner

  • Member
  • Posts: 608
Reply 2 on: Jul 8, 2018
Wow, this really help

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Apparent and True Orbits of Alpha Centauri. Apparent and True Orbits of Alpha Centauri.
When to measure vital signs When to measure vital signs
A medical assistant performs a spirometry test using electronic health record software. A medical assistant performs a spirometry test using electronic health record software.
A Scatterplot of the Test Scores and Average Grades of 10 Students A Scatterplot of the Test Scores and Average Grades of 10 Students
An Inkblot Similar to One of the Blots that Appear in the Rorschach Inkblot Test An Inkblot Similar to One of the Blots that Appear in the Rorschach Inkblot Test
Herpes simplex 2 rapid test. Herpes simplex 2 rapid test.
Video: Negative Feedback Regulation of Blood Pressure

For a complete list of videos, visit our video library