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Author Question: How are the difference scores coded in a sign test? A) by their ranked size, with increases and ... (Read 65 times)

ahriuashd

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on: Jun 20, 2018
How are the difference scores coded in a sign test?
 
  A) by their ranked size, with increases and decreases ranked separately
  B) by their ranked size, independent of sign (increase or decrease)
  C) as increases (+) or decreases ()
  D) as probabilities, p and q

Question 2

A researcher uses a repeated-measures design to compare individuals' performance before treatment with their performance after treatment. If all of the participants show improved performance of 8 or 9 points after treatment, then the researcher should find ____.
 
  A) a sample mean difference near zero
  B) a t statistic near zero
  C) the variance of the difference scores is near zero
  D) a very large variance in the difference scores


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smrtceo

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

C

Answer to Question 2

C


ahriuashd

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Reply 2 on: Jun 20, 2018
Gracias!

jomama

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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