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Webb, Paul; Boltt, Gill – Journal of Biological Education, 1990
Investigated is the ability of high school pupils and university students to answer questions based on relationships within food webs using sound ecological principles. Research methods used and the results of this study are discussed. (CW)
Descriptors: Biology, Cognitive Structures, College Science, Ecology

Adey, Philip; Shayer, Michael – Physics Education, 1988
Attempts to show that not only can density be taught to lower ability pupils but that by doing so, there is the possibility of assisting pupils to develop their reasoning powers. Lists teaching activities that help in this process. (CW)
Descriptors: Abstract Reasoning, Cognitive Ability, Cognitive Development, Cognitive Processes