Is different from
collaborative
Learner's arguments
in a collective
learning environment:
Argue & Graph
Patrick.Jermann, Pierre.Dillenbourg
@tecfa.unige.ch
See proceedings on page 265
Context
Postgrad course on educational technologies
Hybrid format [presence + distance]:
6 X
[1 week on campus + 5 weeks at home]
Web-based since 1993
Lessons
•
•
•
•
•
•
•
•
…
…
…
Communication for ?
Web as a workspace
Less text, more activity
...
...
@
Looking for innovative activities
Tecfa Virtual Campus
Identity
News &
who is where
Zones
Spatial metaphor
Zones
= courses
Buildings = activities
Rooms = steps
People in
same room
PHP 3 + MySQL
ArgueGraph
ArgueGraph
ArgueGraph
ArgueGraph
ArgueGraph
Theories
Behavioursim
Design choices
Immediate FB
Delayed FB
Microworld FB
Constructivism
Metacognition
Does it work ?
Exp. 1 (97)
16 master students
Exp. 2 (98)
15 cont. Education adults
Exp. 3 (98)
18 master students
Exp. 4 (99)
16 master students
• Intuitively yes (noise)
• Not for the last experiment
• No pre/post test data (hence probably not)
• Let's look process variables.
ArgueGraph Data (Exp.3)
At least ofonethenew
idea ...
Restatment
question
Reformulation
Justification
Solo
57 %
43 %
Duo
15 %
85 %
ArgueGraph Data (Exp.3)
"We answer 3 because motivation
"We choose 3 because 2 does not work"
is important"
Accept
Condition
Discard
No Conflict
28
1
3
Conflict
23
11
1
"We answer 2 if the learner is a child
but we answer 3 for adult learners"
ArgueGraph Data (Exp.3)
=Arg(A)
or Arg(AB) =Arg(B )
Arg(AB) Arg(A)Arg(AB)
& Arg(AB)
 Arg(B
New
Union
Victory
No Conflict
6
16
10
Conflict
14
8
13
Arg(AB)=Arg(A) U Arg(B )
X2=6.2, p<.05)
So what?
Fostering conflict seems to produce
more elaborated arguments
What design is suggested by exp 3 ?
90
81
80
70
60
50
Solo
37
40
30
20
10
Duo
28
18
13
12
4
2
6
0
0
Always
Often
Sometimes
Rarely
Never
What's the problem with exp 4 ?
Exp 1-3
Exp 4
Coffee-break
1 week
Lessons
• Group representations foster participation
• This structured collective activity produced
elaborated arguments
• Other activities, based on a similar scenario,
"worked well" too.
• Activities are very sensitive to timing issues
KLUWER
… is looking for contributions…
[email protected]