Roy,
I used the following paper as a reference for TOL-DX:
## Culbertson, W. C., & Zillmer, E. A. (1998). The
## Tower of LondonDX: A Standardized Approach to Assessing Executive
## Functioning in Children. Archives of Clinical Neuropsychology, 13(3),
## 285-301. doi:10.1016/S0887-6177(97)00033-4
I'm not sure about the problem set issues you have noted, and please let
me know if you figure it out. It is easy to specify or change the problem
set. Around line 400, the problem space is specified; it should be fairly
easy to see how these map onto each problem. It shows the entire matrix
of start/end configurations, and each configuration is specified as a
nested list from bottom to top:
##THIS IS ALL THE STATES
s <-[ [[[],[],[1,2,3]], [[3],[],[1,2]], [[],[3],[1,2]],
[[],[3,2],[1]], [[2],[3],[1]], [[2],[3,1],[]]],
[[[],[],[1,3,2]], [[2],[],[1,3]], [[],[2],[1,3]],
[[],[2,3],[1]], [[3],[2],[1]], [[3],[2,1],[]]],
[[[],[],[3,1,2]], [[2],[],[3,1]], [[],[2],[3,1]],
[[],[2,1],[3]], [[1],[2],[3]], [[1],[2,3],[]]],
[[[],[],[3,2,1]], [[1],[],[3,2]], [[],[1],[3,2]],
[[],[1,2],[3]], [[2],[1],[3]], [[2],[1,3],[]]],
[[[],[],[2,3,1]], [[1],[],[2,3]], [[],[1],[2,3]],
[[],[1,3],[2]], [[3],[1],[2]], [[3],[1,2],[]]],
[[[],[],[2,1,3]], [[3],[],[2,1]], [[],[3],[2,1]],
[[],[3,1],[2]], [[1],[3],[2]], [[1],[3,2],[]]] ]
Any configuration can be indexed via a row/column pair, and any problem
can be specified with two pairs. That is what the AssembleTrial function
does. For example, below, the first problem starts at row 6 column 3,
or [[],[3],[2,1]], and ends at row 5 column 3 or [[],[1],[2,3]].
trials <- [AssembleTrial(6,3,5,3,s,dists),
AssembleTrial(6,3,1,5,s,dists),
AssembleTrial(6,3,5,4,s,dists),
AssembleTrial(6,3,1,3,s,dists),
AssembleTrial(6,3,4,4,s,dists),
AssembleTrial(6,3,4,6,s,dists),
AssembleTrial(6,3,4,5,s,dists),
AssembleTrial(6,3,1,2,s,dists),
AssembleTrial(6,3,4,3,s,dists),
AssembleTrial(6,3,2,4,s,dists),
AssembleTrial(6,3,4,2,s,dists),
AssembleTrial(6,3,2,5,s,dists),
AssembleTrial(6,3,3,3,s,dists),
AssembleTrial(6,3,3,1,s,dists),
AssembleTrial(6,3,3,5,s,dists)]
Shane
> Dear sir/madam,
>
> I was using your PEBL program to try the TOL test and specific the TOL-DX
> version.
> But I found that the test exists of 14 problems. As indicated in
> (http://psycentre.apps01.yorku.ca/drpl/?q=node/23527) the official version
> it should consis of two practise problems followed by 10 real problems.
> My question is, where did you found these problems? Are you able to change
> the problems if they're incorrect?
>
>
> yours sincerely,
>
> Roy van Noort
> Student at Fontys Sporthogeschool Eindhoven
>
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