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Details Title: Engineering psychology Description: chapters 1-3 Total Flash Cards: 26 Created: 10/22/2007 10:27:42	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term beta beta opt   Definition b=p(x/s)/(x/n) bopt=p(n)/p(S) x value and costs Term sensitivity   Definition keenness or resolution of the detection system Term ROC Curve      Definition portrays the equivalence of sensitiving along changing levels of bias joing effects of senstivity and response bias on the data froma signal detection analysis  Term watch   Definition a long period of itme over which signals may be presnt Term vigilance level      Definition steady state vigilance performance Term free response paradigm      Definition Vigilance:  target evebt occurs at any time and non events are not definted Term inspection paradigm Definition events occur at fairly regualr intervals, a few of the events may be targets Term event rate   Definition Free response : # of targets per unit time Target probability: ratio of targets to events, clear up between inspecttion and event rate  Term expectancy theory Definition upward adjustment of the response criterion in response toa reduction in the perceived frequency of the events Term arousal theory   Definition prolonged low event environtment the evidence variable X shrinks while teh criterion  stays constant Term redundancy Definition the reduction of information due to event probabilities being unequal and sequential contraints % redundancy= (hmax-have/hmax) * 100  Term channel capacity   Definition how much information is transmitten from stimulus to response Term bandwidth Definition how rapidly information is transmitted Term absolute judgement   Definition observer assigns a timulus into one of multimple categories along a sensory dimension Term configureable dimensions Definition pairing of a particular level makes a difference Term emergent properties Definition produced when configurable properities are combined features: a global property of a set of stimuli not evident as each is seen in isolation  Term Definition Term persuit eye movements   Definition the eye follows a target moving across the visual feild Term saccade   Definition discrete jerky movments that jump from one stationary point in the visual feild to the next Term three things that characterize fixation   Definition location, useful feild of view and dweel time Term serial seach   Definition each item in inspected in turn Term freefeild search Definition target could be loacted anywhere and there is little organziation to guide the search Term structured seach Definition information that might guide teh search is availabe in the display Term peripheral cules Definition cues and the pending target location which is typically out of foveal vision Term central cue Definition the cue is in neutral foveal laoction but indicates the target loaction in someway ie arrow Term global precidence Definition the phonomenon where global aspects of the display are automatically processed that make them immune to the local aspects