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Cognitive Development1
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Baillie, Robert1
Tatsuoka, Kikumi K.1
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Rule Space, the Product Space of Two Score Components in Signed-Number Subtraction: An Approach to Dealing with Inconsistent Use of Erroneous Rules.
Tatsuoka, Kikumi K.; Baillie, Robert – 1982
A 40-item free response test on signed-number subtraction was administered to 172 eighth graders. Their responses are viewed as consisting of two different components, the sign and absolute value. Each component is scored zero for wrong or one for correct, yielding a score of one only when both components have scores of one. By taking the values…
Descriptors: Cognitive Development, Educational Research, Error Patterns, Integers