StatisticalMethods MCQ's E.F.A

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1. Describe the purpose of Factor Analysis....

  • To explain the extent with which measured variables and their co-variability can be explained by a smaller number of variables
  • To establish the confirmation of a known psychological effect
  • To establish causation between a large group of unrelated components
  • To explain patterns of correlations in a smaller number of variables
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2. Orthogonal rotation assumes what?

  • Factors are half correlated, half not
  • No factors are related
  • Factors are not correlated
  • Factors are correlated

3. In E.F.A, if all communalities are more than 0.6, then the sample size must be...

  • More than 150
  • More than 200
  • More than 100
  • More than 500

4. Describe the purpose of Exploratory Factor Analysis...

  • To establish the confirmation of a known psychological effect
  • To explain patterns of correlations in a smaller number of variables
  • To establish causation between a large group of unrelated components
  • To explain the extent with which measured variables and their co-variability can be explained by a smaller number of variables

5. What is 'cross-loading'?

  • Cross - loading is where the variance is shared by more then 5 different factors together
  • Cross-loading is where eigenvalues are seen in more than one component
  • Cross - loading is where the cross-over of values across components is more than 0.7
  • Cross-loading is where particular eigenvalue scores appear across the data

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