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Standardized Cronbach Alpha

KNIME Statistic Nodes version 4.2.1.v202008251159 by KNIME AG, Zurich, Switzerland

This node calculates the Standardized Cronbach Alpha based on the correlation provided in the correlation matrix. It uses the mean of the non-redundant correlation coefficient to describe an internal consistency of the data. Unlike raw cronbach alpha, standardized cronbach alpha is based upon the correlations rather than the covariances. The theoretical value of alpha varies from zero to 1. However, depending on the estimation procedure used, estimates of alpha can take on any value less than or equal to 1. As an input correlation model output of linear correlation node should be used.

Input Ports

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The correlation model from the linear correlation node.

Output Ports

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The Cronbach Alpha in a data table with one row/column.

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Installation

To use this node in KNIME, install KNIME Statistics Nodes from the following update site:

KNIME 4.2

A zipped version of the software site can be downloaded here. Read our FAQs to get instructions about how to install nodes from a zipped update site.

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