METAMOUSE ON TRIAL: CONFESSIONS OF A WANTON TURTLE
Date
1991-09-01
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Abstract
We conducted a usability study of Metamouse, a demonstrational interface
to a graphics editor that infers complex constraints in a procedural
paradigm using graphical construction. Aspects of its inference mechanism
and metaphor were tested by having a variety of users perform standard
tasks with and without its assistance. We found that people learn to use
static rather than dynamic constructions, and the system fails to learn
some task decompositions. In particular, its rules for inferring iteration
over a set of objects are both inadequate and inadequately disclosed by the
metaphor. To address the problem, we propose an explicit representation
of sets and generalization over multiple examples.
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Computer Science