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Varimax rotation should be used when


A) Factors are expected to correlate.
B) Factors are non-orthogonal.
C) Factors are independent.
D) Kaiser's criterion is met.

Correct Answer

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In SPSS what criterion is used to extract factors?


A) Varimax
B) Kaiser's
C) Promax
D) None of the above

Correct Answer

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Based on the following output, which item on this questionnaire would most improve the reliability of the questionnaire if it were removed? Based on the following output, which item on this questionnaire would most improve the reliability of the questionnaire if it were removed? A) Q12. B) Q16. C) Q21. D) Q4.


A) Q12.
B) Q16.
C) Q21.
D) Q4.

Correct Answer

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Oblique rotation should be used when


A) Factors are expected to correlate.
B) Factors are orthogonal.
C) Factors are independent.
D) Kaiser's criterion is met.

Correct Answer

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Which of the following is not an example of factor analysis methods?


A) Confirmatory factor analysis
B) Principal axis factoring
C) Hypothesis factoring
D) Image factoring

Correct Answer

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What does the following output from a factor analysis tell us? What does the following output from a factor analysis tell us? A) The sample size is sufficient, but there is multicollinearity in the data. B) The sample size is inadequate, and there is multicollinearity in the data. C) The sample size is adequate, and the correlations in the correlation matrix are significantly bigger than zero. D) The sample size is adequate, but the correlations in the correlation matrix are not big enough.


A) The sample size is sufficient, but there is multicollinearity in the data.
B) The sample size is inadequate, and there is multicollinearity in the data.
C) The sample size is adequate, and the correlations in the correlation matrix are significantly bigger than zero.
D) The sample size is adequate, but the correlations in the correlation matrix are not big enough.

Correct Answer

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Which of the following is not an example of factor analysis methods?


A) Confirmatory factor analysis
B) Principal axis factoring
C) Hypothesis factoring
D) Image factoring

Correct Answer

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Factor loadings are


A) The weights of each factor.
B) The weights of each variable.
C) Correlations between each variable and each factor.
D) Correlations between all the variables.

Correct Answer

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C

Cronbach's alpha identified the following values for each of the three factors Factor 1 0.943 Factor 2 0.876 Factor 3 0.877 What process in SPSS provided this information?


A) Extraction
B) Rotation
C) Communalities
D) None of the above

Correct Answer

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Which of the following is not an assumption of factor analysis?


A) Large sample size (> 150)
B) Small sample size (< 50)
C) Linearity
D) Factorability of correlation matrix

Correct Answer

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Liu and Shen (2008) conducted a study to investigate and confirm the dimensional structure of the Care Giver Strain Questionnaire measured from subjects used in clinical research. A factor analysis generated a range of data and included the following scree plot. On this plot, where does the point of inflexion occur? Liu and Shen (2008) conducted a study to investigate and confirm the dimensional structure of the Care Giver Strain Questionnaire measured from subjects used in clinical research. A factor analysis generated a range of data and included the following scree plot. On this plot, where does the point of inflexion occur? Source: http:/ / www2.sas.com/ proceedings/ forum2008/ 383-2008.pdf A) At eigenvalue 2 on the Y-axis and 2 on the X-axis B) Between eigenvalues 2 and 3 on the Y-axis and at 2 on the Y-axis C) Between eigenvalues 3 and 4 on the Y-axis D) Between eigenvalues 1 and 2 on the Y-axis Source: http:/ / www2.sas.com/ proceedings/ forum2008/ 383-2008.pdf


A) At eigenvalue 2 on the Y-axis and 2 on the X-axis
B) Between eigenvalues 2 and 3 on the Y-axis and at 2 on the Y-axis
C) Between eigenvalues 3 and 4 on the Y-axis
D) Between eigenvalues 1 and 2 on the Y-axis

Correct Answer

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Kaiser's criterion for retaining factors is


A) Retain any factor with an eigenvalue greater than 0.7.
B) Retain any factor with an eigenvalue greater than 1.
C) Retain factors before the point of inflexion on a scree plot.
D) Retain factors with communalities greater than 0.7.

Correct Answer

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Principal component analysis is


A) Used to summarize data whilst retaining maximum variance.
B) Used to summarize data whilst retaining minimum variance.
C) Derive as few factors as possible.
D) Derive as many solutions as possible.

Correct Answer

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Which procedure would you not use to determine the number of factors to be included in your interpolation of an EFA?


A) Select the number of factors with eigenvalues of 1.00 or higher.
B) Examine a scree plot of eigenvalues plotted against the factor numbers.
C) Disregard any communalities.
D) Analyse increasing numbers of factors; stop when all non-trivial variance is accounted for.

Correct Answer

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What does Cronbach's alpha test for?


A) Significance of factors
B) Functionality
C) Reliability
D) Significance of variables

Correct Answer

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C

Which of these is a form of oblique rotation?


A) Varimax
B) Quartimax
C) Equamax
D) Promax

Correct Answer

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Rotation means


A) Turning the matrix on one side.
B) Simplifying the loadings.
C) Interpretation of the factors.
D) Interpretation of the graph.

Correct Answer

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Most researchers use exploratory factor analysis to


A) Confirm the data are real.
B) Determine the number of factors/ constructs underlying a set of variables.
C) Reduce the data to a smaller number of variables.
D) Confirm the number of factors.

Correct Answer

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In SPSS what criterion is used to extract factors?


A) Varimax
B) Kaiser's
C) Promax
D) None of the above

Correct Answer

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Rotation means


A) Turning the matrix on one side.
B) Simplifying the loadings.
C) Interpretation of the factors.
D) Interpretation of the graph.

Correct Answer

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C

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