Krieglstein, F., Schneider, S., Beege, M., & Rey, G. D. (2022). How the design and complexity of concept maps influence cognitive learning processes. Educational technology research and development, 70(1), 99-118.

Johns Hopkins University

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1. Salience of the map structure is significantly associated with disorientation, but not extraneous cognitive load. 
2. The number of nodes did not have a great effect on cognitive load. 

How the design and complexity of concept maps influence cognitive learning processes

1. Few vs. many nodes: In the concept map with fewer nodes, each node contains a greater amount of information. However, this difference in the amount of information in each node is not extremely prominent, mostly about 2 to 3 times as much, e.g., a phrase/word vs. a few phrases/words. 
2. Salience: A concept map with high salience puts the nodes physically closer to each other. 


Variables in "How the design and complexity of concept maps influence cognitive learning processes"

Disorientation has a significant negative impact in the efficiency of concept maps.

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