Observer can change stimulus intensity or frequency until it matches, or differs from, reference stimulus, or until observer does or does not perceive it {method of adjustment} {adjustment method}. It is a method of limits.
Observer experiences many stimuli covering whole stimulus range and reports perception or no perception {method of constant stimuli} {constant stimuli method}. Alternatively, observer compares many stimuli covering whole stimulus range to reference stimulus and reports if they differ from reference or not.
Observer can attend to sound in one ear while distracted by sound in other ear {dichotic listening technique}. Alternatively, observer can attend to voice while another voice speaks.
After seeing stimulus {target, perception}, observer can respond if he or she sees stimulus among distracting stimuli {n-alternative forced-choice} {forced-choice}.
Starting from no difference in frequency and/or intensity and increasing difference, observer can note when there is difference {method of limits} {limits method}. Alternatively, starting from big difference and decreasing difference, observer can note when there is no difference.
Observers can respond after detecting stimulus on right or left {position discrimination}.
Observers can attend to text lines in one color and ignore lines in another color {selective reading paradigm}.
Observer can respond after detecting stimulus {stimulus detection}.
Observer can respond if stimulus is word or not {word discrimination}.
6-Psychology-Cognition-Perception
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Date Modified: 2022.0225