Signal Detection Theory and Psychophysics - Andrei Gorea

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P(z)p N (z=c)SIGNAL DETECTION THEORYTHE STANDARD MODEL0,5d’=1p(S) = . 50 = 1c = 00,40,3cp(S) = .25 ppSNzzc = 1.10ccppNS 30,20,1Nc 0c Ap S (z=c)Sc A = c + d’/2 = 1.60 = -zFA0-4 -3 -2 -1 0 1 2 3 4 5 6cSensory Continuum (z)
PROBABABILITYSDT: THE STANDARD MODELCriterion: the border between seen <strong>and</strong> not-seenp(N)sFAc’CONTINUUM SENSORIELRc'z FAc’ in s units!
Page 1 and 2: THEORIE DE LA DETECTION DU SIGNALLa
Page 4 and 5: PhysicalWorldSensoryProcessesInfere
Page 6 and 7: z-ScoreOu « score normal » ou «
Page 10 and 11: Criterion settingObservers set a cr
Page 12 and 13: SDT: THE STANDARD MODELOptimal crit
Page 14: z(FA)1 - p > .5p < .51 - p < .5p >
Page 17 and 18: P(zpHReceiving Operating Characteri
Page 19 and 20: pHP(z)ROC & the Rating experimentOU
Page 21 and 22: PROBABABILITÉd’ with unequal var
Page 23 and 24: d’ with unequal varianceszH210-1-
Page 25 and 26: HIGH-THRESHOLD THEORY*The HTT propo
Page 27 and 28: P(z)pHP(z)pHIn the rest of thedecis
Page 29 and 30: RRRResponsed’TRANSDUCTION & THRES
Page 31 and 32: RRResponsed’TRANSDUCTION & THRESH
Page 33 and 34: LA RELATION ENTRE Y/N & 2AFC1 20 SA
Page 35 and 36: P(z)P(z)P(z)Reasons for “invisibi
Page 37 and 38: P(z)% YESCRITERIONThe response crit
Page 39 and 40: CHANNELS, NOISEandSIGNAL DETECTION
Page 41 and 42: RESPONSE NORMALIZATIONNormalization
Page 43 and 44: RESPONSE (e.g. s/s)CHANNELS & RESPO
Page 45 and 46: RR = kIlog (I )RTRANSDUCTIONR kIs
Page 47 and 48: RR = log(I)log (I )RTRANSDUCTIONR
Page 51: Temps. RéactionTemps. RéactionTre
Page 54: Temps. RéactionTemps. RéactionTem

Signal Detection Theory and Psychophysics - Andrei Gorea

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