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

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1. A venn diagram is created depicting the relationship between altruism (D.V) and Agreeableness (I.V) and Happiness (I.V). Agreeableness overlaps well with the D.V of Altruism. This suggests what?

  • The variables are well-correlated
  • The variance is low
  • The variables are poorly-correlated
  • The degree's of freedom have a large range
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2. A variable comes back as being over 0.90 in it's correlation with a neighbouring variable. This suggests what exactly?

  • Variables with a mixed spread of correlational power
  • Variables are highly correlated with one another (possible multi-collinearity)
  • Variables not very highly correlated with each other (singularity)
  • Variables with a skewed distribution

3. A partial correlation aims to....

  • Check for direct causation (if any) within a regression
  • Establish the power of a linear relationship
  • Investigate the relationship between two variables once the effect of another variable has been removed
  • Investigate the relationship between numerous variables once more than one more variable has been added.

4. A basic ratio is expressed as...

  • ∑Score/Divisor
  • ∑(Score or 〖Sum〗^2)/Divisor
  • ∑(MSe+MSe effect)/(F-Critical)
  • ∑Divisor/Score

5. For a simple linear regression medium effect size, N should be....

  • More than 50+8xM
  • More than 104+M
  • Less than 104+M
  • Less than 50+8xM
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