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Author Question: Why are there more than two treatment levels in a one factor repeated measures design? a. Two ... (Read 116 times)

ss2343

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on: Jun 19, 2018
Why are there more than two treatment levels in a one factor repeated measures design?
 
  a. Two levels don't allow enough time for some treatments to take effect.
  b. Having more than two treatment levels prevents the effects of maturation, testing, and history from occurring.
  c. To prevent the participants from having to perform the experimental task too many times.
  d. Certain relationships between variables cannot be accurately demonstrated with only two treatment levels.

Question 2

In the one factor repeated measures design, the number of treatment conditions is symbolized by _____.
 
  a. k c. N
  b. O d. df


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dyrone

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

D
Certain complex relationships between variables cannot be discovered if there are only two levels of the independent variable; for example if responding increases at first and later declines with increasing levels of the independent variable, at leas three levels would be needed to demonstrate the relationship.

Answer to Question 2

A
The number of treatments in the one factor repeated measures design is similar to the number of groups in the one factor between subjects design. Both are represented by the symbol k.


ss2343

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Reply 2 on: Jun 19, 2018
Excellent

Sarahjh

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Reply 3 on: Yesterday
:D TYSM

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