Statistical Methods MCQ'S ANCOVA, MANOVA and Regression/Correlation

1. What is an ANCOVA used for?

  • To achieve statistical control of error when experimental control of error is not possible
  • To compare a large amount of I.V's and their effects on a large amount of outcome variables
  • To achieve statistical control of power, when there is a small sample size
  • To achieve an insight into the direction of effects
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2. A researcher finds that the variable of self-esteem and self-worth are perfectly correlated with depression. This could be a problem, as it indicates what?

  • Singularity of the variables
  • Homoscedasticity
  • Heteroscedasticity
  • Too many outliers

3. A researcher wants to see if caffeine consumption predicts athleticism. The best technique to us would be

  • Partial Correlation
  • Canonical Correlation
  • Multiple Regression
  • Multiple Correlation

4. A researcher wants to explore the relationship between eating an apple and the ability to run 100 metres and/or engage in therapy well. What would be the best analytical model to use?

  • Multiple Correlation
  • Partial Correlation
  • Canonical Correlation
  • Multiple regression

5. A researcher wants to investigate pass/fail on an exam with height. They should use what to analyse this?

  • Spearman's
  • Kendall's Tau
  • Point Bi-Serial
  • Phi

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