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Peer reviewedNiaz, Mansoor – Journal of Research in Science Teaching, 1995
Exposure of an experimental group of (n=33) college freshmen to teaching experiments dealing with stoichiometry problems based on the concept of limiting reagent showed greater improvement in posttests than the (n=39) student control group and observed that some students protect their core beliefs by ignoring conflicting data. (Author/MKR)
Descriptors: Academic Achievement, Beliefs, Chemistry, Cognitive Processes
Download full textAnderson, John R. – 1985
According to the ACT theory of skill acquisition, cognitive skills are encoded by a set of productions, which are organized according to a hierarchical goal structure. People solve problems in new domains by applying weak problem-solving procedures to declarative knowledge they have about this domain. From these initial problem solutions,…
Descriptors: Cognitive Development, Cognitive Objectives, Educational Experiments, Elementary Secondary Education
