1. Ian T. Zajac, Nicholas R. Burns School of Psychology, University of Adelaide, South Australia

2. IQ testing is prevalent –Diagnostic tool –University Selection –Employee Selection IQ is a valid and reliable predictor of –A–Academic Success –C–Career Success –F–Financial Status –L–Longevity!

3. Reasoning Concepts Analysis- Synthesis PlanningNumber Series Number Matrices Knowledge ComprehensionInformation Visualisation Spatial Relations Block Rotation Memory Numbers Reversed Auditory WM Memory for Words Memory for Sentences Learning Vis/Aud Learn Retrieval Fluency Picture Naming Memory for Names Speed MatchingDecision Speed IQ How do we measure IQ?

4. Reasoning Arithmetic Knowledge SimilaritiesInformationVocabularyComprehension Visualisation Picture Completion Picture Arrangement Object AssemblyBlock Design Memory Digit Span Speed CodingSymbol Search IQ

5. Reasoning Concepts Analysis- Synthesis PlanningNumber Series Number Matrices Knowledge ComprehensionInformation Visualisation Spatial RelationsBlock Rotation Memory Numbers Reversed Auditory WM Memory for Words Memory for Sentences Learning Vis/Aud Learn Retrieval Fluency Picture Naming Memory for Names Speed MatchingDecision Speed Reasoning Arithmetic Knowledge SimilaritiesInformationVocabularyComprehension Visualisation Picture Completion Picture Arrangement Object AssemblyBlock Design Memory Digit Span Speed CodingSymbol Search

6. ADAD A RT A R2 A R3 V RT ACAC AHAH ATAT V SD V IT Sp A Sp B A R2 A R3 V R2 V R3 ATAT AHAH VFVF VNVN V IT A CD Sp A Sp B V SD V CD ACAC 38% Overlap 40% Overlap

7. Sp A Sp B 34% Overlap Sp A Sp B 34% Overlap Sp A Sp B 32% Overlap Musical Experience 4% 1% Auditory Abilities 5% 4% Hearing Threshold 4% 3%

8. Visual Tasks Visual & Auditory Tasks 86 % Shared

9. 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

10. 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

11. Reasoning VAVA Knowledge V AV A Memory V AV A Learning V AV A Speed VAVA IQ ??