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The National Research Council (NRC) first offered learning progressions (LPs) as a potentially generative construct for science education in its 2007 report Taking Science to School. The report defined LPs as descriptions of the successively more sophisticated ways of thinking about a topic that can follow one another as children learn about and investigate a topic over a broad span of time" (NRC, ... read more2007, p. 214)..Our purpose in this essay is to challenge this mainstream notion of LPs, as generalizable sequences, or small sets of alternatives, studied and validated through statistical measures of large data sets.read less
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