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Author Question: The proportion of test takers that get a good item correct increases as a function of the a. item ... (Read 187 times)

s.tung

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on: Jun 19, 2018
The proportion of test takers that get a good item correct increases as a function of the
 
  a. item characteristic curve.
  b. total test score.
  c. validity of the test.
  d. item difficulty.

Question 2

Robert Yerkes led the team of psychologists that developed the
 
  a. Army Alpha and Army Beta.
 b. Seguin Form Board.
 c. Wechsler-Bellevue Intelligence Scale.
  d. Yerkes Personal Data Sheet.


ebenov

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

b

Answer to Question 2

a


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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).

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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