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Author Question: A Pearson correlation of r = -0.25 indicates that a graph of the data would show points ____. a. ... (Read 76 times)

tfester

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on: Jun 19, 2018
A Pearson correlation of r = -0.25 indicates that a graph of the data would show points ____.
 
  a. clustered close to a line that slopes up to the right
 b. clustered close to a line that slopes down to the right
 c. widely scattered around a line that slopes up to the right
  d. widely scattered around a line that slopes down to the right

Question 2

A double pretest design is particularly attractive when ____.
 
  a. the researcher is evaluating a program that has already begun
  b. the unit of study is a community rather than an individual
 c. it is important that those who most need the treatment receive it
  d. there are concerns about selection-maturation effects


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tjayeee

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

d

Answer to Question 2

d


tfester

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Reply 2 on: Jun 19, 2018
Gracias!

daiying98

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Reply 3 on: Yesterday
Excellent

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