Intelligence Testing and Individual Differences Flashcards
Alfred Binet
Binet IQ Test
Used to track children into different school programs
Analytical ability
Memory
Problem solving
Louis Terman
Developed an equation for IQ
Standardized the IQ test and created norms
Chronological age divided by mental age times 100 equals your IQ
David Wechsler
WISC
Creates age group norms
Creates performance sections
Standardization
Consistent rules for how the test is administered and its given to a large group of people to create norms
Norms
Scores that are expected for each group of people taking the test
Reliability
A test measures consistently over time
Content validity
A test measures the material that it claims to measure
Predictive validity
A test accurately predicts what it claims to predict
Intellectual disability
A condition in which a persons mental capacity is low
PKU
A baby lacks a certain enzyme that processes chemicals in food
If found early enough can be treated
Microcephaly
Skull doesn’t grow to normal size
Puts pressure on your brain and it can’t grow
No cure
Hydrocephaly
Extra fluid build up around the brain
Puts pressure on the brain
Shunt - drains fluid out of the brain
Down syndrome
Extra 21st chromosome
Shorter fingers, protruding tongue, etc.
Age of the mother is a factor (35+)
Shorter life span
Fetal Alcohol syndrome
Teratogen
Timing of drinking
Early- cognitive delays
Late- physical abnormalities
