/usr/share/psychtoolbox-3/Psychometric/SimWeibTAFCObs.m is in psychtoolbox-3-common 3.0.9+svn2579.dfsg1-1.
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1 2 3 4 5 6 7 8 9 10 11 | function response = SimWeibTAFCObs(log10Intensity,alpha,beta)
% response = SimWeibTAFCObs(log10Intensity,alpha,beta)
%
% Return response 0 or 1 according to a Weibull psychometric function
% with given alpha and beta. 0 means incorrect, 1 means correct.
%
% 8/19/94 dhb, ccc Wrote it.
% 8/25/94 dhb, ccc Changed name.
probCorr = ComputeWeibTAFC(10.^log10Intensity,alpha,beta);
response = CoinFlip(1,probCorr);
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