Exam 21: Multivariate Data Analysis: Analytics With Interdependence Techniques

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Describe factor analysis.

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factor analysis is a prototypical multivariate,interdependence technique.factor analysis is a technique capable of statistically identifying a reduced number of factors from a larger number of measured variables.the factors themselves are not measured,but instead,they are identified by
forming a variate using the measured variables.

In cluster analysis,the researcher wants clusters to have high ____ within-clusters and high between-cluster ____.

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The best single tool for assessing construct validity is ____.

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The common variance is the source of variance that is common to all variables.

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Promax is a rotation technique that produces factors that represent the degree of correlation among factors.

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Which measure indicates how strongly a measured variable is correlated with a factor?

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Factor rotation produces more obvious patterns of loadings.

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A(n)____ is an unobservable phenomenon that can be inferred from multiple measures.

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The mathematical way of further simplifying factor results that involves new reference axes for a set of variables is called ____.

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In cluster analysis,____________________ is among the most widely used tools for assigning observations to groups.

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A data reduction technique allows a researcher to summarize information from many variables into a reduced set of variables.

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The purpose of factor analysis is to summarize the information contained in a large number of variables into as large a number of factors as possible.

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An indication of how strongly a measured variable is correlated with a factor is given by the ____________________.

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Cluster analysis identifies objects or individuals that are similar to one another in some respect.

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One of the most widely used tools for assigning observations to groups in cluster analysis is ____.

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Underlying meanings that help provide structure to common observations are called ____.

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Cluster analysis,discriminant analysis,and logistic regression all represent ____________________ techniques.

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Which variance is indicated for the composite scale of four items with the following loadings: 0.7,-0.7,0.8,0.9?

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Parsimony means the researcher seeks a simple solution that still maintains sufficient meaning to represent reality.

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A researcher who seeks a simple solution that still maintains sufficient meaning to represent reality is seeking ____.

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