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Author Question: A(n) _______________ threat is any factor that leads to differences between the groups at the start ... (Read 81 times)

viki

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on: Jun 19, 2018
A(n) _______________ threat is any factor that leads to differences between the groups at the start of the study.
 
  Fill in the blank(s) with correct word

Question 2

Which of the following is a disadvantage of using a within subjects design?
 
  a. the variability due to participants cannot be estimated statistically
  b. treatment order may have an effect on the dependent variable
  c. a large number of participants is required
  d. the experimental and control groups may not be equivalent to one another


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raili21

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

selection

Answer to Question 2

B


viki

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Reply 2 on: Jun 19, 2018
Great answer, keep it coming :)

isabelt_18

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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