Statistical Methods MCQ's ANOVA

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1. An output shows the following: MSa = 12.6, Ms/a = 17 dfa = 7 dfs/a = 15 F = 1.5

  • No, as critical F = 2.71
  • Yes, as critical F = 2.61
  • Yes, as critical F = 2.71
  • No, as critical F = 2.61
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2. A researcher puts p's into each environment condition: statistics lecture, birdsong or rousing speech. They are ascribed 0mg 10mg or 15 mg of anti-depressants and self-reported depression is measured after each environment exposure. Name the design.

  • A Two - Way - 2x2 - Between -Groups - Design
  • A Two - Way - 3x3 - Split -Plot - Design
  • A One - Way - Repeated - Measures - Design
  • A Three - Way - Mixed - Design

3. Which of the following does NOT determine statistical power?

  • Sample Size
  • F - score
  • Alpha level
  • Effect Size

4. Eta squared measures what?

  • The proportion of effect + error
  • The proportion of error + residual
  • The proportion of total variance that is attributable to an effect
  • The proportion of the effect + error variance that is attributable to an effect

5. What are the main benefits of a Repeated Measures (Within Subjects) design?

  • It controls for individual differences between participants, Participants providing scores for each treatment helps prevent fluctuation due to individual participants
  • It controls for residual error, Participants are happier and more engaged, leading to less chance of boredom effects
  • It controls for demand characteristics, Participants providing scores for different treatments helps create heterogeneous data
  • It controls for individual differences between participants, Participants are more able to follow the process of experimentation, eradicating ceiling effects

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