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Peer reviewedSamurcay, Renan – For the Learning of Mathematics, 1985
This study concerned conceptual difficulties of college students learning programming and ways the teacher can simplify the process. An analysis of general strategies used in solving problems involving loops is given, with four types of hierarchical strategy categorized. Students had difficulty transforming their algebraic descriptions into…
Descriptors: Algebra, College Mathematics, Computer Science Education, Educational Research
Download full textMoore, J. L.; Sleeman, D. – 1988
This paper discusses the overall design of the PIXIE Intelligent Tutoring System, and more specifically a series of recent enhancements. The original system has been implemented to involve three separate phases: the offline, or model generation phase; the online, or tutoring, phase; and the analysis phase. The offline phase, which is completed…
Descriptors: Algebra, Computer Assisted Instruction, Computer Science, Computer Uses in Education
Martinak, R.; And Others – 1987
Six studies discussed in this paper compared error-specific or model-based remediation (MBR) with reteaching in algebra. MBR points out, and highlights as incorrect, errors specific to the student's solution before reteaching the correct procedures. Reteaching shows the student the correct procedure without addressing specific errors. Three of…
Descriptors: Algebra, Computer Assisted Instruction, Computer Science, Computer Uses in Education
Sleeman, D.; And Others – 1988
This paper provides an overview of the four major aspects of the PIXIE Intelligent Tutoring System: the field work undertaken to determine how teachers diagnose and remediate in introductory algebra; the set of experiments run to determine the relative effectiveness of Model-Based-Remediation (MBR) and Reteaching; systems work carried out to…
Descriptors: Algebra, Computer Assisted Instruction, Computer Science, Computer Uses in Education
Educational Technology Center, Cambridge, MA. – 1988
This report enumerates the activities of the Educational Technology Center (ETC) during 1987. The guide's theme for the year was Teaching with Technology. The report includes brief descriptions of five different types of research projects by area. In science education, the projects concerned with weight and density, heat and temperature, and the…
Descriptors: Algebra, Computer Science Education, Educational Technology, Elementary School Mathematics
Kelly, A. E.; And Others – 1987
The implementation of the program used in this study, TPIXIE, was predicated on the assumption that acquiring the skill to diagnose student errors was important for teacher trainees. The TPIXIE system (part of the PIXIE family of intelligent tutoring systems) was designed to present users with a series of task-student-answer pairs (where the…
Descriptors: Algebra, College Mathematics, Computer Assisted Instruction, Computer Science
