We see a vast collaboration of different students creating new nodes and improving already existing ones. Collaboration...
- Increased the number of people making relevant nodes thus the number of relevant nodes being created increased as well (improves quantity)
- Frees up users to only make the nodes for concepts they understand (improves quality)

University of Michigan - Ann Arbor

- Create the original nodes to learn the concepts
- Add new nodes that provide additional context and understanding to related concepts
- Add connections between topics to assist meaningful learning
- Make improvements on nodes to make the concepts clearer (easier to understand or better for understanding)
- Voted on the utility of each node 
- Include references to make it easy to refer to the original source
- (add more!)

What have the students done that helped with clarifying these concepts (related to path diagrams) on 1Cademy? (3)

The ability to improve nodes over time improved the quality of the nodes greatly. This allowed users to fix duplicate nodes, add references where needed, improve definitions and explanations, add diagrams or deleted unnecessary ones, and more.

Do we see any benefits in the evolution of these nodes (related to the path diagram technology study) over time, or the very first proposal for each of them was helpful enough and the evolution did not help that much? (5)

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