THE DESIGN AND EVALUATION OF AN INSTRUMENT FOR ASSESSING MASTERY VAN HIELE LEVELS OF THINKING ABOUT QUADRILATERALS

Mary Lora Noffsinger Crowley
The goal of this project was to create a 40 minute long multiple-choice Instrument to assess an Individual's dominant level of thinking, as described by the van Hiele model of the development of geometric thinking, on the topic of quadrilaterals. The study was composed of four stages: (a) Item development, (b) pl lot testing, (c) field testing and (d) final testing. Initially 53 items were developed and reviewed by a panel of experts. The revised...
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