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Author Question: A researcher might choose to use a counterbalanced design when a. the interactive effect of ... (Read 69 times)

silviawilliams41

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on: Jun 20, 2018
A researcher might choose to use a counterbalanced design when
 
  a. the interactive effect of different treatments is to be examined.
  b. there is likely to be a carry-over effect of exposure to one treatment on a subsequent treatment.
  c. there is a likelihood of pretest sensitization.
  d. intact class groups are to be used.

Question 2

Assume you have developed a new instrument to measure introversion/extroversion in teachers. Would you assess score validity or reliability first? Why?
 
  What will be an ideal response?


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tdewitt

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Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

One would want to establish validity first. If the test doesn't measure what it is supposed to measure, then it would not be useful regardless of its reliability.


silviawilliams41

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Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it

nanny

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Reply 3 on: Yesterday
Wow, this really help

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