Linkage methods for dendrograms in Card Sort tasks

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On this page:

• Linkage methods
• Switch between different linkage methods

Linkage methods

• The data collected from Open and Closed Card Sort Tasks can be represented by Dendrograms.
• Dendrograms in UserZoom Manager can be created using one of these Linkage Methods:
  • Average Linkage: The distance between two clusters is computed as the average distance between objects from the first cluster and objects from the second cluster.
  • Single Linkage: The distance between two clusters is computed as the distance between the two closest elements in the two clusters.
  • Complete Linkage:
    • This is an agglomerative hierarchical clustering method.
    • The distance between two clusters is computed as the maximum distance between a pair of objects, one in one cluster and one in the other.
• All of the linkage methods are based on Hierarchical Clustering Standards and calculate the distance between clusters.

Switch between different linkage methods

1. Go to the Results section of your study.
2. Below the Card Sort Task, click Results.
3. Select the Dendrogram option.
4. Click Customize.
5. Choose the desired Linkage Method.

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