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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Dugdale, Sharon; Kibbey, David – Journal of Mathematical Behavior, 1990
The first in a series of three articles, successful instructional materials from a 15-year software development effort are analyzed and characterized with special attention given to educational experiences intended to shape students' perceptions of the fundamental nature, interconnectedness, and usefulness of mathematics. The software programs…
Descriptors: Algebra, Analytic Geometry, Computer Assisted Instruction, Computer Software
Peer reviewed Peer reviewed
Dugdale, Sharon; Spiro, Rand J. – Journal of Mathematical Behavior, 1990
The second in a series of three articles, some themes of an undercurrent of educational objectives that move beyond the evident content goals are outlined. The themes relate the computer software materials analyzed in Part I to the cognitive experiences that students should have in learning about subject matter. (MDH)
Descriptors: Cognitive Development, Computer Assisted Instruction, Computer Software, Concept Formation
Peer reviewed Peer reviewed
Dugdale, Sharon – Journal of Mathematical Behavior, 1990
The third in a series of 3 articles, a study of 30 students was conducted to test the effect of restructuring a unit on trigonometric identities around microcomputer activities based on the themes of educational undercurrents identified in Part II. Experimental-group students scored significantly higher relating trigonometric functions to their…
Descriptors: Analytic Geometry, Computer Assisted Instruction, Computer Software, Discovery Learning