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Lehrer, Richard; Schauble, Leona – Science Education, 2017
This study describes how students' intuitions about sampling are informed by extended experiences in investigating local ecosystems. Elementary students in a rural/suburban district in the upper midwest spent a year conducting first-hand comparative field studies of nearby ponds, prairies, and forests. At the close of the term, we conducted…
Descriptors: Knowledge Level, Sampling, Ecology, Intuition