[ACT-R-users] Ref for empirical tests of cognitive models by predicting task difficulty

[GUNZELMANN, GLENN F DR-03 USAF AFMC 711 HPW/RHAC]

Here's a paper that looks at different types of problems in the Tower of
Hanoi that vary in difficulty, with a model that predicts exploratory/final
path behavior:
http://palm.mindmodeling.org/~glenng/pubs/journalarticles/2003-gunzelmann_an
derson.pdf

Here's a second, with a model with three different strategies, one of which
accounts for performance across seven different instrument-flight maneuvers
of varying difficulty in a UAV simulation:
http://palm.mindmodeling.org/~glenng/pubs/journalarticles/2010-myers_gluck_g
unzelmann_krusmark.pdf

Finally, in case it is relevant when task difficulty varies as a function of
the individual's state (i.e., well-rested versus sleep-deprived), this one
looks at errors (and RT) in a simple addition/subtraction task:
http://palm.mindmodeling.org/~glenng/pubs/journalarticles/2012-gunzelmann_mo
ore_gluck_dinges.pdf

-Glenn


-----Original Message-----
From: ACT-R-users [mailto:act-r-users-bounces at ACTR-SERVER.HPC1.CS.cmu.edu]
On Behalf Of Ken Koedinger
Sent: Monday, April 28, 2014 9:50 AM
To: act-r-users at ACTR-SERVER.HPC1.CS.cmu.edu
Subject: [ACT-R-users] Ref for empirical tests of cognitive models by
predicting task difficulty


I'm looking for references for the following statement and figure the ACT-R
community may have some:

"One way to empirically evaluate the quality of a cognitive model is to test
whether it can be used to accurately predict differences in task
difficulty."

I'm particularly interested in references to models that predict error rates
(but reaction time prediction is ok too) across a number of related tasks.
Models that predict errors at steps in tasks and/or specific strategy or
error differences are even better.  One such reference is our own tech
report below -- see constraint C3 in Table 1.

Koedinger, K.R., & MacLaren, B. A. (2002).Developing a pedagogical domain
theory of early algebra problem solving.CMU-HCII Tech Report 02-100.[PDF
<http://pact.cs.cmu.edu/koedinger/pubs/Koedinger,%20McLaren%20.pdf>]

Others?  Including your own work?

Thanks!
Ken


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