the flynn effect Flashcards
skills that have changed/ trending over time
vocabulary - up information - different needs comprehension - complexity picture completion - more visual coding - faster processing similarities - more abstract less concrete
why is factor analysis of intelligence not as valid over time
doesn’t account for social change / different needs at a particular point in time
what are the 5 theories for the change in intelligence over time?
exposure to technology
test taking behaviour (multiple choice)
nutrition (lower SOE)
life history speed (life span is longer now)
social multipliers (more skills = snowballing)
what does flynn suggest?
may need new definition of IQ
may need new measurements of IQ
what is the eigen value
the % that factor captures of the total set
what is used to test eigen value?
kaiser test
what is the rule for the eigen value
use if greater than .1
what is the scree test?
the elbow/ drop off graph