Chapter 9 Flashcards
psychometric approach
started the development of standardized tests;
intelligence is a trait of a set of traits that characterizes some people to a greater extent than others
general mental ability (g)
people are often consistent across a range of tasks
special abilities (s)
specific kind of task
fluid intelligence
the ability to use your mind actively to solve new problems
skills: reasoning, seeing relationships, drawing inferences
crystallized intelligence
use of knowledge acquired through schooling and other life experiences
examples: numerical abilities, tests of comprehension
mental age (MA)
the level of age-graded problems that the child is able to solve
Stanford-Binet intelligence scale
Alfred Binet’s test based on age that calculated “mental age”
intelligence quotient (IQ)
Ma divided by CA and then multiplied by 100; combination of verbal and performance scores
Wechsler Scales
content vary depending on age appropriate test; yield a verbal IQ score based on items measuring vocabulary, general knowledge, arithmetic reasoning, and the like and a performance IQ based on such nonverbal skills as the ability to assemble puzzles, mazes…
normal distribution
a symmetrical, bell shaped spread around the average score of 100
standard deviation
a measure of how
Bayley Scales of Infant Development
Designed for infants and toddlers to measure the rate at which they reach developmental stages compared to other infants