Need to review literature and find information on problems with overlap and if there are preferred levels of overlap in learning /academic content

Problems and Acceptability

1- Length of explanation/definition of each topic should be limited.

2- Each topic should have a title.

2.5- Each title should be unique.

Iman's 2.5 Knowledge Dissemination Principles

Overlapping content occurs when two or more knowledge entities address different overall topics but contain portions that explain the same topic.

San Jose State University

University of Michigan - Ann Arbor

Google

The amount to which entities are duplicated affects their acceptability in online communities. Knowledge entities that are heavily duplicated (e.g. the same file as another knowledge entity) are nearly universally discouraged, while two or more similar entities covering the same topic in their own way but with overlapping information may be acceptable in some online communities. 

Spectrum of Duplication and Acceptability in Online Communities

Duplicate knowledge entities in online communities occur when multiple sources—such as articles, books, websites, or videos—repeat the same existing knowledge. Two entities are considered duplicates if their core topics are identical, even if they are not exact, 100% copies of one another.

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