Palamedes Toolbox Forum

Thank you so much for the reply, I will read up on the hierarchical analysis, thanks.

Hi, thanks for the speedy reply. A bit more information- the lapse rate and priorgamma are both set to 0.03- re the gammaEQlambda set up you refer to. Faces are amorph between emotion a and b with 21 levels, 5% change between each, they do 6 blocks of 96 trials, so a fairly good number of trials per ...

I have just collected data in a perceptual task on facial expressions, judging said expressions, is it a or b, in each trial, using a psi method to optimise the use of the trials for the data, but a large number have produced quite spread out data sets, as responses have sometimes been a little ...