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Direct linkSmolkin, Laura B.; McTigue, Erin M.; Donovan, Carol A.; Coleman, Julianne M. – Science Education, 2009
Given concerns with the low levels of explanation in science education classrooms, it has been suggested that text may supply a higher percentage of explanatory discourse than do classroom teachers. However, given that textbooks have been shown to differ little from teacher discourse in percentages of explanation, the present study sought to…
Descriptors: Textbooks, Physical Sciences, Biological Sciences, Teacher Background
