Exam 19: Factor Analysis

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List at least four of the procedures used for determining the number of factors.

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A ________ is a plot of the original variables using the factor loadings as coordinates.

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________ is the last step in factor analysis.

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Selecting surrogate variables works well if one factor loading for a variable is clearly higher than all other factor loadings.

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Factor analysis can be used in which of the following circumstances?

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Describe principal components analysis and common factor analysis and the differences between the two methods of factor analysis.

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Sometimes, because of prior knowledge, the researcher knows how many factors to expect and thus can specify the number of factors to be extracted beforehand. This is referred to as ________.

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Communality is ________.

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A ________ is a lower triangle matrix showing the simple correlations, r, between all possible pairs of variables included in the analysis.

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The variables to be included in the factor analysis should be specified based on past research, theory, and the judgment of the researcher.

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Which of the following statements is not true about factor rotation?

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________ is an approach to factor analysis that considers the total variance in the data.

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The various methods of factor analysis are differentiated by the approach used to derive the weights or factor score coefficients.

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A principal components analysis was run and the following eigenvalue results were obtained: 2.731, 2.218, .442, .341, .183, and .085. How many factors would you retain using the eigenvalues to determine the number of factors?

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What are the steps involved in conducting factor analysis (Figure 19.3 in the text)?

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The differences between the observed correlations (as given in the input correlation matrix)and the reproduced correlations (as estimated from the factor matrix)can be examined to determine model fit.

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The amount of variance a variable shares with all other variables included in the factor analysis is referred to as ________.

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Factors can be estimated so that their factor scores are not correlated and the first factor accounts for the highest variance in the data, the second factor the second highest and so on.

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It is possible to compute as many principal components as there are variables; in doing so, parsimony is gained.

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When selecting variables to serve as surrogate variables, you should look for the variable with the highest loading on a factor.

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