Hi Nick,
Thanks for your helpful reply!
I successfully compared the slopes at the two frequencies for the two groups separately. The fits with guess rate (and lapse rate) unconstrained look good, so you convinced me to use this instead of the value at -Inf .
Did I understand correctly from your ...
Search found 2 matches
- Mon Feb 10, 2025 9:28 am
- Forum: Psychometric Function Fitting, Bayesian Criterion (PAL_PFHB)
- Topic: Fixing false alarm rate per condition/subject
- Replies: 3
- Views: 115790
- Mon Jan 27, 2025 2:39 pm
- Forum: Psychometric Function Fitting, Bayesian Criterion (PAL_PFHB)
- Topic: Fixing false alarm rate per condition/subject
- Replies: 3
- Views: 115790
Fixing false alarm rate per condition/subject
Hello,
I did an experiment on two groups of people, testing hearing sensitivity at two frequencies using the method of constant stimuli. I fitted slope and threshold, fixed lapse at a small, constant value and fix the false alarm rate to the value obtained for the no sound (-Inf) condition in the ...
I did an experiment on two groups of people, testing hearing sensitivity at two frequencies using the method of constant stimuli. I fitted slope and threshold, fixed lapse at a small, constant value and fix the false alarm rate to the value obtained for the no sound (-Inf) condition in the ...