Download - Ian T. Zajac, Nicholas R. Burns School of Psychology, University of Adelaide, South Australia
Ian T. Zajac, Nicholas R. BurnsSchool of Psychology, University of Adelaide, South Australia
• IQ testing is prevalent– Diagnostic tool– University Selection– Employee Selection
• IQ is a valid and reliable predictor of– Academic Success– Career Success– Financial Status– Longevity!
IQ
How do we measure IQ?
IQ
AD
ART
AR2
AR3
VRT
AC
AH
AT
VSD
VIT
SpA SpB
AR2
AR3
VR2
VR3
AT
AH
VF
VN
VIT
ACD
SpA SpB
VSD
VCD
AC
38% Overlap
40% Overlap
SpA SpB34%
Overlap SpA SpB
34% OverlapSpA SpB
32% Overlap
Musical Experience
4%1%
Auditory Abilities
5%4%
Hearing Threshold
4%3%
Visual Tasks
Visual & Auditory Tasks
86 % Shared
• Auditory tasks can measure IQ if they are properly designed
• Current tests used to measure ‘Speed’ are not visually biased– This may not be true for other IQ constructs
• Highly useful for early diagnosis of learning difficulties
– Reading
• Useful diagnostic tests following Traumatic Brain Injury
• Their use, when paired with Visual tests, may provide a more equitable measure of true cognitive ability
IQ
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