Spring 2017 Defining Intelligence Global capacity to think rationally act purposely and deal effectively with the environment Intelligence is what my test measures Theories of Intelligence ID: 934677
Download Presentation The PPT/PDF document "Intelligence Andrea Mejia" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
Intelligence
Andrea Mejia
Spring 2017
Slide2Defining Intelligence
Global capacity to think rationally, act purposely and deal effectively with the environment
“Intelligence is what my test measures”
Slide3Theories of Intelligence
Intelligence is a general ability
Overall performance on tests of mental ability
Single measure of general cognitive ability
g factor = general intelligence (IQ)
Intelligence is a cluster of abilities
Verbal comprehension, numerical ability, reasoning, perceptual speed
G factor = average of independent abilities
Slide4Theories of Intelligence
Intelligence as multiple intelligences
Intelligence is defined within the context of a particular culture
E.g. linguistic intelligence
–
adept use of language: writer, public speaker, native storyteller
E.g. Musical intelligence
–
ability to create, synthesize, or perform music: musician, composer, singer
Slide5T
he
W
echsler
A
dult
I
ntelligence
Scale
Developed by David Wechsler
Intelligence as a global entity AND specific
Most widely used intelligence test
High validity and reliability
User friendly administration and scoring guidelines
Excellent psychometric properties
Slide6WAIS IV BREAK DOWN
Verbal comprehension
Similarities
Vocabulary
I
nformation
Perceptual Reasoning
Block design
Matrix reasoning
Visual puzzles
Working Memory
Digit span
Arithmetic
Processing Speed
Symbol search
Coding
Slide7WAIS-IV:
English Version
Age range: 16 – 90
Administration Time:
60 – 90
minutes
10/15
S
ubtests:
5/7 – Verbal
5/8 – Performance
3
IQs (verbal, performance, full scale)
Average: 100, Standard deviation: 15Mainly used for determining intellectual ability/disability
Slide8Several Issues
R
egarding Assessment of Spanish-Speakers
No IQ tests developed for the Spanish population by Spanish-speaking psychologists
US Hispanic population
Translations
Spanish-speaking
psychologists
Available tests in
Spanish
Slide9Consequences of Issues Regarding Assessment of Spanish-Speakers
Current t
ranslations
of tests
must
be
reviewed
Differences between Spanish and English cultures
Test Equivalence
Reliability
Validity
Can culture be held constant so the construct in question is accurately measure?
Time f
actor
Acculturation
Different cognitive styles
Bilingualism
Level of
Education
Socioeconomic
Status
Implications of using Translated Tests
Slide10Example:
WAIS-III in Capital Cases
Atkins v Virginia
– execution of the mentally retarded, a violation of the Eighth Amendment
Variable
Mexican Norms
English Norms
Full
Scale
IQ
79
66
Confidence Intervals
65
–
105
63
–
71
Mentally Retarded
NO
YES
Death Penalty
YES
NO