The Importance of Collaborative Learning in ALNS:
Author: Roxanne Hiltz
10/7/97
The Importance of Collaborative Learning in ALNS:
Virtual ClassroomTM + Video Project at NJIT
Theoretical Foundations
Premises of the NJIT studies:
COLLABORATIVE OR “GROUP LEARNING”
Alternative Learning Strategies: Passive vs. Active,
Collaborative
VARIETIES OF COLLABORATIVE LEARNING
Why Does Collaborative Learning Work: Social
Explanations
Why Does Collaborative Learning Work: Cognitive
Explanations
Cognitive Explanations- “Self-
Explanation:”
Cognitive Explanations- “Self-
Explanation:”
Why/How Does Collaborative Learning Work?
EVALUATION TOOLS
Questionnaire Data
COMPARISON TO TRADITIONAL CLASSROOMS
Taking Online Classes is More Convenient (73% agree)
Having the computerized conferencing system available
provided better access to the professor(s). (65% agree)
Did use of the system increase the quality of your
education? (58% agree)
“Virtual Classroom Overall” Index
Correlations with VC Overall (Pearson’s)
Conclusions based on field trials
Confounding of Variables
EFFECTS OF COMPUTER-MEDIATED COMMUNICATION
SYSTEMS ON LEARNING, PERFORMANCE AND SATISFACTION: A Comparison of Groups and
Individuals Solving Ethical Scenarios
RESEARCH METHODOLOGY
EXPERIMENTAL DESIGN
HYPOTHESES: Example
HYPOTHESES:
TASK SELECTION
SOURCES OF DATA
Self reported Motivation
Perceived Learning
Mean Final exam scores on ethics, (GPA as covariate)
SUMMARY OF FINDINGS
PRACTICAL IMPLICATIONS
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