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Author Question: For a scale that is measuring eating disorder likelihood to have good _______________, it needs to ... (Read 39 times)

casperchen82

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on: Jun 21, 2018
For a scale that is measuring eating disorder likelihood to have good _______________, it needs to be able to differentiate between those who will get eating disorders versus those who will not.
 
  A) external validity
  B) interrater reliability
  C) predictive validity
  D) test-retest reliability

Question 2

We are designing a new instrument to measure happiness. If we ask participants to complete the same instrument of happiness over several days, we are testing this new instrument's ______________.
 
  A) external validity
  B) interrater reliability
  C) predictive validity
  D) test-retest reliability


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hanadaa

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Reply #1 on: Jun 21, 2018
Answer to Question 1

C

Answer to Question 2

D


casperchen82

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Reply 2 on: Jun 21, 2018
Excellent

patma1981

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Reply 3 on: Yesterday
Wow, this really help

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