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handa handa
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6 years ago
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?

Ques. 2

In a control group time series design, the experimental treatment is administered
 
  a. prior to obtaining baseline measurements.
  b. after all baseline measurements are obtained.
  c. between two periodic series of measurements.
  d. first to the experimental group and then to the control group.

Ques. 3

What are the three sources of error in a measuring instrument?
 
  What will be an ideal response?
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Replies
wrote...
6 years ago
Answer to #1

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.

Answer to #2

C

Answer to #3

The instrument itself, the administration of the instrument, and the individual being measured
handa Author
wrote...
6 years ago
Thank you, thank you, thank you!
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