Peg Word system
Forgetting items in the beginning of a sequence
Remembering items at the end of a sequence
Remembering items at the beginning of a sequence
Forgetting items at the end of a sequence
Distinguished between Bottom-up processing and Top-down processing.
Distinguished between a sentence's surface structure and it's deep structure.
Introduces underextension and overgeneralization.
A child uses a word to mean more than an adukt speaker would.
A child goes from the cooing and crying stage to babbling.
A child only uses a word in a specific content.
Logical reasoning is not helpful.