intelligence - · pdf file03.12.2017 · world’s highest iq george w. bush iq:...
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IntelligenceIntelligence
Ways to Measure IntelligenceWays to Measure Intelligence
World’s highest IQ
George W. Bush
IQ: estimated at 91
World’s most powerful job
Marilyn Vos Savant
IQ: 228
Writes magazine advice column
“Ask Marilyn”
Not world’s highest IQ
Does IQ Count?
Estimates for presidents: George W. Bush 120, Bill Clinton 149; Jimmy
Carter 145; John F. Kennedy 151, Ronald Reagan 130, Bush Senior 130,
Richard Nixon 131, Scientist Stephen Hawking 160
Ways to Measure IntelligenceWays to Measure Intelligence
Two Types of
Intelligence Tests
I. Stanford-Binet
Scales
II. Wechsler Scales
I. Stanford-Binet
Scales
II. Wechsler Scales
I. Stanford-Binet ScalesI. Stanford-Binet Scales• Alfred Binet – 1st modern intelligence
test(1905)
• Measures - School Knowledge
• Yielded mental age (MA) - Shows the
intellectual level at which a child is
functioning.
Ways to Measure IntelligenceWays to Measure Intelligence
LITTLE BRIAN IS 6.HE HAS A MA OF 6.
IS HE FUNCTIONING AT A NORMAL INTELLECTUAL
LEVEL?
LITTLE ANTHONY IS 8.HE HAS A MA OF 10.
IS HE FUNCTIONING AT A NORMAL INTELLECTUAL
LEVEL?
LITTLE JOSE IS 10.HE HAS A MA OF 12.
IS HE FUNCTIONING AT A NORMAL INTELLECTUAL LEVEL? WHAT IS HIS I.Q.?
I. Stanford-Binet ScalesI. Stanford-Binet Scales
• Today it gives an IQ – intelligence
quotient - Relation between a
child’s mental age & chronological
age.
Mental age
------------------------ X 100 = IQ
Chronological age
Ways to Measure IntelligenceWays to Measure Intelligence
IQ score is your relative
standing within a population of
your age.
120 I.Q.(1.2 X 100 = 120)
These items are used for
administering the
Stanford/Binet Intelligence
Scales
Ways to Measure IntelligenceWays to Measure IntelligenceI. Stanford-Binet ScalesI. Stanford-Binet Scales
• Contains subtests –
- verbal skills &
- performance skills
• 3 scores- verbal, performance & a combination of the two
• Most used test today.
Ways to Measure IntelligenceWays to Measure Intelligence
II. The Wechsler Scales by David
Wechsler
II. The Wechsler Scales by David
Wechsler
II. The Wechsler ScalesII. The Wechsler Scales
Performance skills test ExamplesPerformance skills test Examples
Picture arrangementPicture arrangement
Ways to Measure IntelligenceWays to Measure Intelligence
Picture CompletionPicture Completion
• Stanford-Binet tests only
measures verbal
• Wechsler test measures
both verbal & nonverbal
• Stanford-Binet tests only
measures verbal
• Wechsler test measures
both verbal & nonverbal
What’s the Difference between the Stanford-Binet test & the Wechsler test?