To Use Cluster Analysis for Clustering Variables to Identify Homogeneous

question 41

Multiple Choice

To use cluster analysis for clustering variables to identify homogeneous groups, the researcher could do all of the following except ________.

• A)using the variables as the units of analysis
• B)using the correlation coefficient as a measure of similarity between variables
• C)inserting communalities in the diagonal of the correlation matrix
• D)A and B

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Definitions:

Sinoatrial Node

A small group of cells in the right atrium of the heart that acts as the natural pacemaker by initiating the heartbeat.

Atrioventricular Node

A part of the electrical conduction system of the heart that coordinates the top of the heart. It plays a critical role in regulating the timing of heart contractions.

Bundle of His

A collection of heart muscle cells specialized for electrical conduction that transmits impulses from the AV node to the ventricles of the heart.

Diastolic Murmur

A heart murmur heard during the diastole phase of the cardiac cycle, often indicating a valve disorder.