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Sharp, Ann C.; Sinatra, Gale M.; Reynolds, Ralph E. – Reading Research Quarterly, 2008
Theoretical perspectives on spelling characterize development as a progression through qualitatively different phases or as a process of more or less continuous growth. This study investigated the potential utility of a different perspective, the overlapping-wave model, for characterizing spelling development (Rittle-Johnson & Siegler, 1999). In…
Descriptors: Spelling, Spelling Instruction, Models, Learning Strategies
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Li, Xiaobao; Li, Yeping – School Science and Mathematics, 2008
Mathematics and science are important for success in school, but learning mathematics and science can be a difficult task to some students. Efforts to improve students' learning of school mathematics and science have led to reform efforts in curriculum and instruction over the past decades (e.g., National Council of Teachers of Mathematics [NCTM],…
Descriptors: Learning Problems, Mathematics Education, National Competency Tests, Educational Change
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Cinan, Sevtap – Cognitive Development, 2006
This study examined developmental changes in concept formation, rule switching, and perseverative behaviors of children in the WCST by altering visual features of the test and using a new test score--the "zigzag" error score--which shows the number of shifts made between two incorrect concepts or rules. Instead of the original four 3-dimensional…
Descriptors: Concept Formation, Scores, Cognitive Development, Persistence