francis galton
intelligence is dependent on physical abilities like reaction time, pain tolerance, and strength
alfred binet
hired to identify special education children, developed concepts of mental and chronological age
lewis terman
created the stanford-binet intelligence test, sympathized with eugenics and believed intelligence is born with
william stern
invented the iq formula
david wechsler
created the WAIS made up of 15 different subtests, gives overall and separate scores
charles spearman
intelligence has two components: g-factor (general intelligence) and s-factor (specific cognitive intellectual skills)
howard gardner
created the theory of multiple intelligences
robert sternberg
triarchic theory: analytical, experiential, and practical
fluid intelligence
cognitive abilities requiring speed or rappid learning, tends to diminish with age
crystallized intelligence
learned knowledge and skills, tends to increase with age
standardization
a large, representative sample takes the test, establishing a norm. administrators must give the same directions, time limits, and conditions, and all scorers must use the same scoring systems.
norm
standards used to compare scores of test takers
reliability
a test that allows you to obtain the same score no matter where, when, or how many times you take it
test-retest reliability
you take the test once, and take the same test again
split-half reliability
test is split into halves and the scores are compared
alternate form reliability
test is given with two forms, scores are compared between forms
validity
how accurately a test measures what it’s supposed to measure or predict
face validity
the degree to which the material on a test appears on the surface to accurately measure what it’s supposed to
content validity
does the content of the test measure what it’s supposed to measure?
criterion-related validity
the degree to which scores on an assessment are positively correlated to another well-established assessment pool for a particular skill, trait, or ability given at the same time
predictive validity
does the test predict what it’s supposed to predict?
construct validity
the degree to which an assessment accurately measures a given hypothetical or theoretical idea (construct = hard to define operationally)
aptitude test
assess an individual’s potential to learn or do something
achievement test
measure what an individual has already learned
fixed mindset
intelligence is fixed from birth and cannot be significantly changed
growth mindset
intelligence is malleable and can be developed due to dedication and effort
self-fulfilling prophecy
beliefs or expectations about others or oneself that, when held strongly, influences behavior in a way that confirms or fulfills the belief or expectation
stereotype threat
a self-confirming concern that one will be evaluated based on a negative stereotype
stereotype lift
if you’re confident that you or “your type” will do well on a test, being exposed to situations that create stereotype threat in outgroup members may actually improve your performance