Similarity Task

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Similarity Task
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Similarity Task Results
Scale Low/Med Prior Knowledge Low/Med Prior Knowledge Low/Med Prior Knowledge High Prior Knowledge High Prior Knowledge High Prior Knowledge
Scale n Post gt Pre d n Post gt Pre d
Adding fractions 29 lt.01 1.04 12 ns --
Multiplying fractions 30 ns -- 10 ns --
Reducing fractions 7 lt.01 1.59 11 .06 .79
Transformations 41 .01 .43 -- -- --
Distributive property 34 ns -- 11 .05 .59
aWilcoxan signed rank test (non-parametric paired
test).
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Similarity Task Results
Scale Low/Med Prior Knowledge Low/Med Prior Knowledge Low/Med Prior Knowledge High Prior Knowledge High Prior Knowledge High Prior Knowledge
Scale n Post gt Pre d n Post gt Pre d
Commutative property of addition 9 .05 .67 -- -- --
Commutative property of multiplication 12 ns -- -- -- --
Associative property of addition 15 .01 .78 -- -- --
Multiplicative inverse 21 .02 .61 7 ns --
Multiplicative identity 29 .07 .36 5 ns --
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Transformations