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Definition
b=p(x/s)/(x/n) bopt=p(n)/p(S) x value and costs |
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| keenness or resolution of the detection system |
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portrays the equivalence of sensitiving along changing levels of bias joing effects of senstivity and response bias on the data froma signal detection analysis |
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| a long period of itme over which signals may be presnt |
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Definition
| steady state vigilance performance |
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Definition
Vigilance: target evebt occurs at any time and non events are not definted |
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| events occur at fairly regualr intervals, a few of the events may be targets |
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Free response : # of targets per unit time Target probability: ratio of targets to events, clear up between inspecttion and event rate |
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| upward adjustment of the response criterion in response toa reduction in the perceived frequency of the events |
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| prolonged low event environtment the evidence variable X shrinks while teh criterion stays constant |
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the reduction of information due to event probabilities being unequal and sequential contraints % redundancy= (hmax-have/hmax) * 100 |
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Definition
| how much information is transmitten from stimulus to response |
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Definition
| how rapidly information is transmitted |
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Definition
| observer assigns a timulus into one of multimple categories along a sensory dimension |
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Definition
| pairing of a particular level makes a difference |
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produced when configurable properities are combined features: a global property of a set of stimuli not evident as each is seen in isolation |
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Term
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Definition
| the eye follows a target moving across the visual feild |
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Definition
| discrete jerky movments that jump from one stationary point in the visual feild to the next |
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| three things that characterize fixation |
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Definition
| location, useful feild of view and dweel time |
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Definition
| each item in inspected in turn |
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| target could be loacted anywhere and there is little organziation to guide the search |
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| information that might guide teh search is availabe in the display |
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Definition
| cues and the pending target location which is typically out of foveal vision |
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Definition
| the cue is in neutral foveal laoction but indicates the target loaction in someway ie arrow |
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Definition
| the phonomenon where global aspects of the display are automatically processed that make them immune to the local aspects |
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