Intelligence Flashcards
(33 cards)
Define IQ
Intelligence Quotient = index of an individual’s intelligence score
What are some advantages of a non-verbal IQ test?
Eliminates issues with language, verbal abilities, cultural differences
Who reasoned that intelligence is a product of natural selection, thus must be genetically determined, and saw potential in theory of evolution for planned human betterment?
Francis Galton
Who developed the 1st IQ test to measure student abilities for education purposes?
Binet and Simon
What did Lewis Terman and Maud Merrill do?
Devised the Stanford-Binet Scale and studied a sample of “gifted” children
What did Lewis Terman do?
Assigned soliders to tasks appropriate to their abilities during WW1
Define eugenics
Promotes selective breeding to cultivate desirable characteristics
What did Cyril Burt do?
Advised the British government to use aptitude tests to find whether children should go to Grammar schools
What did Cyril Burt’s research on intelligence seem to suggest about occupational levels and social class?
They are determined by innate and hereditary levels of intelligence
What are some issues with the history of intelligence?
Cultural bias (intelligence tests favour groups from more affluent backgrounds)
What does WISC stand for?
Wechsler Intelligence Scale for Children
What does WASI stand for?
Wechsler Adult Scale for intelligence
Define genotype
Genetic makeup of an organisation
Define phenotype
Observable physical properties of an organism (appearance, development and behaviour), & includes both genotype and environmental influences
What can we measure, genotype or phenotype?
Phenotype
What does looking at a degree of genetic relatedness involve?
Looking at people with various degrees of relatedness can give us an understanding of the genetic basis of a concept
What is an Atheoretical definition of intelligence?
Intelligence is what IQ tests measure
What do IQ tests highly correlate with?
With each other and with other measures e.g. academic performance
Define generalised intelligence
Single construct that influences all cognitive functioning and is demonstrated through correlations of performances on different tests
Define fluid intelligence
Cognitive functioning component not influenced by the environment, fixed throughout lifetime
Define crystallised intelligence
Stored factual information, benefits from schooling can change throughout life span
Which type of study is valuable to examine genetic characteristics? Give one limitation of this study
Twin studies- Hard to separate genetic and environmental factors
What is degree of genetic relatedness?
Examining individuals with varying levels of shared genes can help us pick apart genetic influences
What are some environmental factors?
Environment in the womb, family environment