Chapter 9 Flashcards
Leilani Muir
Sterilized at age 14 without consent due to scoring low on IQ test
Anthropometrics
Methods of measuring variation among humans
Random Error
Error that changes each time
Systematic Error
Error that is repeated over and over
Content Validity
Is the content of the test what it should be?
Criterion-related validity?
Do other ways of measuring the thing match up with the test?
Construct validity
Does the test measure what it’s supposed to?
Origin of Intelligence testing
2200 BCE in China
Sir Francis Galton
Believed superior intelligence led to superior understanding of the world. Created 17 tests (absolute thresholds)
Alfred Binet
French researcher who emphasized attention, memory, and comprehension as part of intelligence.
Intelligence
The ability to understand, reason, and adapt to or overcome obstacles
Stanford-Binet Test
Designed to measure innate intelligence using mental age
IQ
Coined by William Stern
Deviation IQ
Compares one’s test score with average score for person of that age
Binet Simon Test
Test used to identify students who needed special education based on mental age
Raven’s Progressive Matrices
Culture fair, non-verbal test that used pictures
Eugenics
Good genes. Coined by Galton, who believed that intelligence was the result of “good breeding”
Stereotype Threat
When negatively stereotyped members of a group underperform due
Average IQ and SD
100 with SD of 15
Savant
An individual with a low overall intelligence but who possesses certain extraordinary abilities
Prodigy
a young person gifted in at least one area and of at least average overall intelligence
Stephen Wiltshire
Autistic Savant
Factor Analysis
Analyzes correlations of groups of variables to find “factors”
General Intelligence Factor (g)
Spearman. Single number representing person’s total mental energy
