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Author Question: A nurse researcher assesses the degree to which individual items on a scale cluster together around ... (Read 122 times)

tsand2

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on: Jul 8, 2018
A nurse researcher assesses the degree to which individual items on a scale cluster together around multiple dimensions using what?
 
  a. Factor analysis
  b. Split-half reliability
  c. Cronbach's alpha coefficient
  d. Kuder-Richardson coefficient

Question 2

What is the significance of concurrent validity to a nurse researcher?
 
  a. The degree of correlation between the measure of the concept and some future measure of the same concept
  b. The degree of correlation of two measures of the same concept administered at the same time
  c. The extent to which a test measures a theoretical construct or trait
  d. The representativeness of the items to measure a specific concept


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tmlewis4706

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: A

Feedback
A The extent to which a set of items measures the same underlying construct or dimension of a construct and clusters together around one or more dimensions describes factor analytic construct validity.
B This reliability is not associated with factor analysis and construct validity.
C This reliability is not associated with factor analysis and construct validity.
D This reliability is not associated with factor analysis and construct validity.

Answer to Question 2

ANS: B

Feedback
A Concurrent validity is established when two measures of the same construct are administered at the same time, not a future measure.
B This response fits the definition of concurrent validity.
C This answer fits the description of construct validity.
D This response fits the description of content validity.


tsand2

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Reply 2 on: Jul 8, 2018
Wow, this really help

duy1981999

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Reply 3 on: Yesterday
Gracias!

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