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Author Question: Professor Plum created class intervals from the test scores for his class. He made a line graph ... (Read 165 times)

ss2343

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on: Jun 19, 2018
Professor Plum created class intervals from the test scores for his class. He made a line graph using these intervals on the X-axis and the proportion of students who answered a particular question correctly on the Y-axis. The result is
 
  a. a discrimination index.
  b. a correlation index.
  c. an item characteristic curve.
  d. a histogram.

Question 2

The first attempt to apply factor analytic techniques to test construction were made by
 
  a. Sam Beck.
 b. R.B. Cattell.
 c. Henry Murray.
  d. J.R. Guilford.


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Missbam101

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Reply #1 on: Jun 19, 2018
Answer to Question 1

c

Answer to Question 2

d


ss2343

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Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it

bassamabas

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Reply 3 on: Yesterday
Gracias!

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