what kind of stimulus is brighter what is the threshold of a psychometric experiment how to find the threshold of an experiment which is darker? how to calculate threshold for psychometric experiments what axis does the luminosity of the stimulus go to what is the threshold of psychometric experiments? what is the threshold for psychometric experiments what is the threshold of a psychometric experiment what is threshold used for what is the threshold in psychometrics threshold psychology definition if stimuli are brighter then standard luminosity threshold for a psychometric experiment what is threshold for psychometric experiment what is the threshold of psychometric testing what is the threshold of an experiment? can i predict if stimulus is darker threshold for a psychometric experiment threshold psychology