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Results tagged with psychophysics
Search options questions only
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user 1107
For questions about the quantitative study of varying a stimulus's properties to observe the effect on sensation (and perception)
13
votes
1
answer
681
views
Are staircases more efficient than the method of constant stimuli?
A Bayesian Quest adaptive procedure (Watson and Pelli 1983) is the theoretically most efficient procedure for estimating thresholds under a certain, potentially unrealistic, set of constraints. In my …
- 2,633
5
votes
1
answer
345
views
Calculate threshold from 'binary' yes/no data
For various reasons, I have a crappy experimental design that I am forced to deal with. I present subjects with 20 yes/no trials, out of which 5 are no-signal catch trials and 15 are signal trials. Ea …
- 2,633
4
votes
1
answer
569
views
At what time in a psychophysical test are catch trials preferably presented?
I am designing a tone-in-noise detection task (specifically a high frequency N0Spi task). For various reasons I need to use a yes-no paradigm and the method of constant stimuli. I am severely limited …
- 2,633