premastery en · ADJ
Etymology
From pre- + mastery.
Meanings
-
(not-comparable) Before reaching the level of mastery.
However, the children who were at the premastery levels in the memory and attention experiments either were unaware of the need for auxiliary stimuli (primitive stage) or were unable to use them successfully (naïve psychology stage).
2008, Margaret E. Gredler, Carolyn Claytor Shields, Vygotsky's Legacy: A Foundation for Research and Practice, page 67: