Unit 61- Assessing intelligence Flashcards
Binet and his collaborator aimed to measure each child’s mental age. What is mental age?
The level of performance typically associated with a certain chronological age. Ex.: A child who does well as the average 8 year-old is said to have a mental age of 8.
A professor at Stanford University named Lewis Terman utilized Binet’s test, adding some stuff to it and adapting some its certain aspects to create the Stanford-Binet. What did the test reveal according to Terman?
Intelligence tests revealed the intelligence that a person was born with.
German psychologist William Stern created the intelligence quotient (IQ) . What is the formula to calculate IQ?
IQ= (mental age/chronological age) x 100
What are achievement tests?
Tests that measure what you have learned.
What are aptitude tests?
Tests designed to predict a person’s future performance; aptitude is the capacity to learn.
Psychologist David Weschler created the Weschler Adult intelligence scale (WAIS) and the WISC for school aged children and another for pre-schoolers. What were three of the 15 subtests included in WAIS?
-Similarities: reasoning commonality of two objects or concepts
-Vocabulary: naming pictured objects or defined words
-Block design: visual abstract processing
For psychological tests to be widely accepted, like the Stanford-Binet and Weschler test, they must meet three criteria, what are they?
The tests must be
-standardized
-reliable
-valid
What is standardization?
The process of defining meaningful scores relative to a pretested group
What is validity?
The extent to which a test actually measures or predicts what it promises.
What is reliability?
The extent to which a test yields consistent, dependable scores.
What is content validity?
The extent to which a test samples the behavior of that of interest
Ex: Road test for a drivers license
What is predictive validity?
The success of which a test predicts the behavior it is designed to predict and is assessed by computing the correlation between test scores and criterion behavior
What did Francis Galton state about genius?
He believed that genius was inherited.
