indiv dif 9. intelligence

Question 1

what was IQ origonally a measure of

Answer 1

deviation of mental age from chronological age

Question 2

IQ now defined as

Answer 2

deviation from average of 100

SD of 15

Question 3

what did charles spearman come up with in terms of intelligence

Answer 3

g factor (common energy underlying)

Question 4

broad domains of intelligence

Answer 4

verbal ability, working memory, visual-spatial reasoning, processing speed

Question 5

IQ correlates

Answer 5

academic achievement, job performance, longevity

Question 6

cognitive epidemiology

Answer 6

examination of cognition/IQ as a correlate of health and mortality

Question 7

Reverse causation in IQ

Answer 7

poor health can influence IQ

Question 8

confounding effects of IQ

Answer 8

Socio-Economic Status

Question 9

how do longitudinal designs help to mitigate confounding variables

Answer 9

establish causality

Question 10

the moray house test

Answer 10

IQ test.
71 items including:
arithmetic
following directions
proverbs
analogies
reasoning etc

correlates with other IQ tests

Question 11

Age 11 IQ and longevity

Whalley and Deary (2001)

Answer 11

compared childhood IQ scores of survivors vs non survivors

SES estimated by ‘overcrowding’ in childhood and fathers occupation

Found:
those who had already died had signif lower IQ

Question 12

Batty, Deary, Gottfredson (2007) systematic review

Answer 12

9 studies. IQ in first 20 years is linked with lower mortality, even after adjusting to childhood SES

Question 13

4 causal mechanisms of health and IQ

Answer 13

1. IQ = education = Employment = adult SES status
2. IQ = health literacy behaviours
3. suboptimal neural development = low IQ and so low health
4. Body system integrity high if have high IQ

Question 14

What mediating factors did Ali et al suggest between happiness and IQ

Answer 14

• dependency in activities
• Income
• Neurotic symptoms
• Self-reported health
• Marital status
• social participation