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Author Question: What effect do within-subjects designs have on the number of research participants? a. It ... (Read 66 times)

lbcchick

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on: Jun 20, 2018
What effect do within-subjects designs have on the number of research participants?
 
  a. It increases the number needed since the error variance increases.
  b. It increases the number needed because the F ratio tends to be larger.
  c. It reduces the number needed since each participant serves as her own control.
  d. It reduces the number needed since most studies of this type are concerned with populations that are small.

Question 2

The chapter describes an example of a within-subjects study examining miscalculation of space perception in airline pilots. What was the dependent variable?
 
  a. amount of landing error
  b. type of aircraft simulated
  c. years of experience as a pilot
  d. number of lights on the runway in the simulation


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peter

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

C

Answer to Question 2

A


lbcchick

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Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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