cerned with cognitive conflicts activated by examining stu-
dents’ work. Teachers in the workshop described in this pa-
per experienced cognitive conflict processes several times. In
the diagnosis step teachers realized that there is a gap be-
tween what “
I’ve taught” and what students actually learned
motivating them to “fix” their previous teaching by trying
out new instructional strategies. Towards the end of the
workshop they encountered an additional cognitive conflict
as a result examining again their students’ answers to the
posttest. They found a gap between what they tried to
achieve and the actual disappointing outcomes. This cogni-
tive conflict could have served as a starting point for a
follow-up workshop with the same teachers aimed at chang-
ing their perceptions about the relationship between teaching
and learning.
41
This follow-up support of teachers was not
carried out and was a weakness of the approach.
The insights gained from this workshop, about the power
of a cognitive conflict intertwined with examining, reflecting,
and discussing one’s practice
共referred to as an “evidence-
based approach”
43
兲, paved the way to new professional de-
velopment programs. We found repeatedly that the careful
iterative examination of students’ work demonstrates dy-
namically the stepwise gradual nature of changes in students’
learning and enables the teachers to customize their teaching
accordingly.
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