Unit 2 Module 2.8b

achievement tests

designed to measure what you have learned

estsaptitude t

designed to predict one's future performance

eugenics

pseudoscience advocating to improve human species through selective mating (Sir Francis Galton)

mental age

estimating child's intellectual progress through comparison to others

Alfred Binet

developed test to differentiate intelligence in children

Lewis Terman

believed intelligence was strictly hereditary

IQ formula

mental age/chronological age x 100

WAIS

Wechsler Adult Intelligence Scale (most widely used)

Flynn Effect

gradual but persistent increase in intelligence test scores over the years

standardization

uniformity in procedures

normal curve

bell curve to indicate average scores

reliability

extent to which a test yields consistent results

validity

extend to which a test measures/predicts what it's supposed to

content validity

accuracy of a test in measuring what it's supposed to assess

construct validity

accuracy of a test in measuring psychological concept/trait intended to assess

predictive validity

success of test in predicting behavior