JSM 2004 - Toronto

Abstract #301340

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Activity Number: 280
Type: Contributed
Date/Time: Tuesday, August 10, 2004 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistical Education
Abstract - #301340
Title: Instructor Moderated Group Work: Does it Work?
Author(s): William L. Harkness*+ and Patricia Buchanan
Companies: Pennsylvania State University and Pennsylvania State University
Address: Dept. of Statistics, University Park, PA, 16802,
Keywords: group moderation ; ill-structured problem-solving ; effect of scoring rubrics ; online group communication
Abstract:

An experiment was conducted to investigate the relative effects of two approaches to peer online collaboration (peer controlled and externatally structured and moderated) on the achievements of small groups during well-structured and ill-structured problem solving tasks, in a large (280+ students) introductory statistics class. A randomized post-test only experimental design was used to investigate which of the two approaches is more effective in promoting college students' group achievement for each type of problem. Two distinctly different scoring rubrics were used: one developed by the instructor and the second by an instructional designer. About 35 groups were randomly assigned to each approach. We describe the "moderation" process and compare the outcomes as determined by the two scoring rubrics.

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