Exam 3 Flashcards
(120 cards)
intelligence
ability to direct one’s thinking, adapt to one’s circumstances, and learn from one’s experiences
Henry Goddard
one of the first to measure intelligence, discriminatory toward Ellis Island immigrants
Alfred Binet & Theodore Simon
developed the first intelligence test to identify children who needed remedial education — measure aptitude apart from achievement
first intelligence test
to identify children who needed remedial education
ratio IQ
dividing a person’s mental age by physical age x 100
deviation IQ
dividing a person’s test score by the average test score of people in the same age group x 100
data-based approach to describing middle-level abilities
starts with people’s responses on intelligence tests and then looks to see what kinds of independent clusters these responses form
theory-based approach
broadly surveys human abilities and then determines which ones intelligence tests measure (or fail to measure)
fluid intelligence
ability to see abstract relationships and draw logical inferences
crystallized intelligence
ability to retain and use knowledge that was acquired through experience
Robert Sternberg suggested that there are three kinds of intelligence
analytic intelligence (problem solving) creative intelligence (novel solutions) practical intelligence (everyday)
heritability coefficient of intelligence
50%
heritability coefficient
the proportion of the difference between people’s scores that can be explained by differences in their genes
absolute intelligence
can change considerably over time
relative intelligence
generally stable over time
Flynn Effect
the average intelligence test score rises about 0.3% every year
how people of different ethnicities compare in terms of IQ scores
education increases intelligence
biggest reason why African Americans have lower intelligence scores than European Americans
education increases intelligence, beneficial neural changes can occur because of exercise, nutrition, and sleep
what percentage of zygotes do not complete the journey down the fallopian tube
about 50%
zygote
fertilized egg that contains chromosomes from both a sperm and an egg
germinal stage
2-week period that begins at conception
embryonic stage
2nd week until the 8th week
fetal stage
9th week until birth
myelination
formation of a fatty sheath around the axons of a neuron during the fetal stage