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Author Question: One reason that repeated measures factorial designs are not used more often is because _____. a. ... (Read 73 times)

asan beg

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on: Jun 19, 2018
One reason that repeated measures factorial designs are not used more often is because _____.
 
  a. presenting different treatments to the same participants creates demand characteristics
  b. participants are usually bored very early and stop paying attention to the stimuli
  c. it is impossible to assess the influence of carryover effects statistically
  d. they typically require three to four times the number of participants as a between subjects factorial design requires

Question 2

When a participant guesses (correctly or incorrectly) the hypothesis that is being tested and behaves in a way believed to be appropriate to that hypothesis, _____ are present in the study.
 
  a. hypothetical judgments c. demand characteristics
  b. deductive modifications d. cooperative adjustments


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Joc

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

A
The manipulation is often easy for participants to detect if they experience multiple treatment levels during an experiment. This creates demand characteristics.

Answer to Question 2

C
Demand characteristics occur when features of the experiment cause the participant to think s/he knows what the experiment is about. This knowledge then affects the participant's behavior.


asan beg

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Reply #2 on: Jun 19, 2018
Thank you!


Joc

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Reply #3 on: Jun 19, 2018
Happy to help


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