Author Question: When the internal consistency of a test is being determined on the basis of the Kuder-Richardson ... (Read 106 times)

Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
When the internal consistency of a test is being determined on the basis of
  the Kuder-Richardson formula (KR21), then it should NOT be followed by
 
  a. any attempts to determine predictive validity
  b. any attempts to determine concurrent validity
  c. the Spearman-Brown prophecy formula
  d. none of these, since the KR21 is NOT an internal consistency measure

Question 2

In a two-way 2, N can be found by
 
  a. adding all observed frequencies.
  b. adding row total observed frequencies.
  c. adding column total observed frequencies.
  d. All of the above are correct.



sarahccccc

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

c

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

For a complete list of videos, visit our video library