FACTORS AFFECTING EWT

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  • Created by: _Holly98
  • Created on: 10-12-15 19:24

ANXIETY - JOHNSON & SCOTT

FIELD EPERIMENT - INDEPENDANT GROUP DESIGN 

2 GROUPS - LED BELIEVE PARTICIPATING LAP STUDY - WAITING 

1. OVERHEARD KEY DISCUSSION LAB EQUIPMENT FAILURE - PERSON EMERGED PEN (LOW ANXIETY)

2. OVERHEARD SHOUTING MAN EMERGED - HOLDING KNIFE (HIGH ANXIETY)

PARTICIPANTS ASKED IDENTIDY 

LOW ANXIETY - 49% ACCURATE HIGH ANXIETY - 33%

LEAD WEPAPON FOCUS PHENOMENON

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ANXIETY - CHRISTIANSON & HUBINNETE

NATURAL EXPERIMENT - INDEPENDANT GROUP 

110 WITNESS 22 REAL BANK ROBBERIES INTERVIEWD

SOME ONLOOKERS (LOW ANXIETY)

SOME WORKERS (HIGH ANXIETY)

VICTIMS ACCURATE - 15 MONTHS LATER

HIGH ANXEITY MORE ACCURATE

PEOPLE - VICTIMS GOOD REMEMBERING STRESSFUL EVENTS IN LIFE

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LACK OF CONTROL

POST EVENT DISCUSSION

EFFECTS FROM INTERVIEWS POLICE

EXTREANEOUS VARBALES NOT CONTROLLED - EFFECT ACURACY 

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ETHICAL ISSUES

CREATING ANXIETY

SUBJECT PEOPLE PSYCHOLOGICAL HARM 

REAL LIFE OK PEOPLE ALREADY WITNESS

BENEFITS MAY OUTWEIGH ISSUES

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REAL WORLD APPLICATION

FINDINGS FENERALISE INTO REAL LIFE

YUILLE & CUTSHALL ACCURACY RECALL 13 WITNESSS VANCOUVER SHOOTING

HIGH ANXIETY MOTE ACCURATE

SUPPORTS MORE FINDINS LINKED EWT & ANXIETY

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REPLICABLE

LOFTUS EXPERIMENT 

MAINTAINED HIGH CONTROL EXTREANOUS VARIABLE

MORE ACCURATE 

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LEADING QUESTION LOFTUS & PALMER 1

LAB METHOD / INDEPENDANT GROUP

45 STUDENTS 7 FILMS DIFFERENT TRAFFIC ACCIDENTS

QUESTIONARRE DESCRIBE ACCIDENT CRITICAL QUESTION "ABOUT HOW FAST WERE CARS GOING WHEN HIT EACH OTHER"

VERBS HIT CHANGED: SMASHED, CONTACTED, COLLIDED

FINDING: GROUP SMASHED 41MPH - CONTACTED 30MPH

MISLEADING INFO LEAD INNACURATE EWT

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LOFTUS & PALMER 2

NEW GROUP SPLIT 3 WATCH CAR ACCIDENT 

GROUP 1 - SMASHED - GROUP 2 - HIT - GROUP 3 - CONTROL 

PARTICIPANTS CAME BACK WEEK ASKED IF SAW BROKEN GLASS

HIGHER SPEED 'SMASHED' MORE LIKEY SAY YES

MISLESADING INFO CHANGES WAS INFO STORED

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POST EVENT DISCUSSION - GABBERT

LAB / INDEPENDANT 

PARTICIPANT PAIRS - WATCHED VIDEO SAME CRIME DIFFERNT POINTS OF VIEW - SEE ELEMENTS OTHERS COULDNT

PARTICPANTS DISCUSS

71% PARTICIPANTS MISTAKINLY RECALLED EVENTS DIDNT SEE VIDEO 

CONTROL GROUP RESULT 0%

WITNESS GO ALONG EACH OTHER - MEMORY CONFORMITY

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SUPPORTING EVIDENCE

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SUPPORTING EVIDENCE

CONSIDERABLE SUPPORT - LOFTUS STUDY - DISNEY LAND

PARTICIPANTS ASSINGED BUGS BUNNY & ARIEL OR NONE 

THOSE TOLD MOST LIKELY REPORT SEEING THEM

SHOWS MISLEADING INFO CREATE FALSE MEMORY

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REAL WORLD APPLICATION

WARN JUSICE SYSTEM PROBLEMS EWT

RECENT DNA EXONERATION CONFIRMED PROBLEMS SHOWIN MISTAKES 

SINLGE LARGEST CONTRIBUTER CONVICTION INNOCENT PEOPLE

LEAD IMPORVEMENTS IN JUSTICE SYSTEM

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INDIVIDUAL DIFFERENCES

EVIDENCE OLDER PEOPLE LESS ACCURATE YOUNGER

ANTASTASI & RHODES FOUND 18 - 25 MORE ACCURATE 55 - 78 

ALL GROUPS IDENTIFYING PEOPLE OF THIER OWN AGE

SUGGEST RESEARCH PRONE INDIVIDUAL DIFFERENCE - BIAS DEPENDING ON PARTICIPANTS USED

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ARTIFICIAL TASKS

LOFTUS & PALMER WATCHED FILM CLIPS - DIFFERENT WITNESSING REAL ACCIDENT

EMOTIONS INFLUENCE MEMORY

ARTIFIACAL TASKS TELLS US VERY LITTLE HOW LEADING QUESTIONS AFFECT EWT

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