measuring differences Flashcards
what is the background for Gould?
-idea that intelligence can be measured is controversial
-can intelligence differences be explained by genetic or environmental factors
what is the nature side of the background for Gould?
.nature= intelligence a fixed characteristic, hereditarian position, can breed superior group like Nazis
what is the nurture side of the background of Gould?
.IQ tests to help identify children with special needs
.The Binet-Simon test, produced a mental age score
.intelligence not a fixed characteristic
what is the aim for Goulds study?
-to investigate the problems in attempting to measure intelligence specifically that of Yerkes
-Yerkes aimed to devise a scientific method of measuring intelligence on a mass scale
what was the sample for Goulds study?
-opportunity sample
-1.75mil is army recruits during WW1
-Males from different ages and backgrounds across USA
what was the method for Goulds study?
-peer review article of large scale psychometric testing
what was the procedure? Gould
-3 tests to measure IQ on a mass scale
-depending on results gave A-E(+ and -)
-decided their rank in the army
- c- average= ordinary private
what was the army Alpha test?
-written exam for literates
- 8parts 1hour long
-unscramble sentences, next in sequences
-heavily routed in American culture
what was the Beta test?
-illiterate or those who failed Alpha
-7parts 1hour long
-counting cubes, next symbol
-instructions still wrote in English
what was the individual test?
-if the Beta test was failed
what was the mean mental age of White Americans?
13.04
what was the mean mental age of the Black Americans?
10.41
what was the mean score of immigrants?
10-11
what were the results for Gould?
-on average mental age of White Americans 13
-average age 16
what were the conclusions for Gould?
-problems with measuring intelligence objectively
-measuring tools can have devastating consequences
-IQ tests unreliable
-IQ tests lack valid results