Rumsfeld Matrix

[1]

Four Stages of Competence

[2]

References

1. https://en.wiktionary.org/wiki/Rumsfeld_matrix
2. https://en.wikipedia.org/wiki/Four_stages_of_competence
3. https://en.wikipedia.org/wiki/There_are_unknown_unknowns
4. https://en.wikipedia.org/wiki/Curse_of_knowledge
5. https://en.wikipedia.org/wiki/Dunning–Kruger_effect