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Unformatted text preview: r, etc.
What s on this card: Say two for sets of more
than one Knower Level Stages
Stage 3: Two-knowers
6- to 9-months later, they learn meaning of
Give-a-number: Give 1 for one , 2 for two ,
and a random amount for three, four, etc.
What s on this card: Say three - five for
sets of more than two Knower Level Stages
Stage 4: Three-knower
Several months later, become 3-knowers
Give-a-number: Give 1 for one , 2 for two , 3
for three and a random amount for four, five,
What s on this card: Say four or five for sets
of more than three Knower Level Stages
Stage 5: Cardinal Principle Knowers (CPknowers)
Learned by 3 and a half to 4 and a half
Cardinality Principle: Understand that last
word in count routine names the size of the set Summary
Kids learn 1-2-3 in sequence, but never learn
higher numbers without counting
There are no “7 knowers”
This can’t be explained...
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This document was uploaded on 01/30/2014.
- Winter '14
- Developmental Psychology