Psychometric Chapter 10: The Wechsler Intelligence Scales:
WAIS-IV, WISC-V, and WPPSI-IV || with Accurate Answers
100%.
The Wechsler Intelligence Scales correct answers -First emerged in 1939, 2 years after a revision
of Binet scale.
-Wechsler-Bellevue Intelligence Scale
-Moved away from a single score indication of intelligence.
-Considered the role of "nonintellective" factors.
-Challenged Binet scale's inappropriateness for use with adults.
The Point Scale Concept correct answers -Binet scale grouped items by age level, and if
minimum questions were not successfully answered, no credit was received
-Different types of questions were also scattered throughout the test.
-In a point scale, credit (points) are awarded for each items.
*It makes it easier to group similar items together.
-This approach was adopted in later Binet revision.
-The point scale allowed for consideration of different skill areas.
The Performance Scale Concept correct answers -It examined nonverbal intelligence in a way
not addressed by early Binet scales
*It looked at these skills beyond just younger years.
-Original Wechsler test had two scales- verbal and performance.
-More recent versions have as many as five major scales.
-Performance scores had been looked at before but never in a way that compared them to verbal
scores like the Wechsler test.
-It could reduce bias from language and culture
Advantages of Wechsler's scale correct answers Made for adults:
-Items have content validity for adults.
-Does not handicap older adults.
-Considers intellectual deterioration with age
Point scale:
-Credit received for each item passed.
-Items grouped by content
-Yields multiple scores
Performance scale:
-Nonverbal measure of intelligence
-Nonverbal/performance tasks grouped together
From the Wechsler-Bellevue Intelligence Scale to the WAIS-IV correct answers -Wechsler-
Bellevue Intelligence Scale-1939.
-Wechsler Adult Intelligence Scale (WAIS)-1955
WAIS-IV, WISC-V, and WPPSI-IV || with Accurate Answers
100%.
The Wechsler Intelligence Scales correct answers -First emerged in 1939, 2 years after a revision
of Binet scale.
-Wechsler-Bellevue Intelligence Scale
-Moved away from a single score indication of intelligence.
-Considered the role of "nonintellective" factors.
-Challenged Binet scale's inappropriateness for use with adults.
The Point Scale Concept correct answers -Binet scale grouped items by age level, and if
minimum questions were not successfully answered, no credit was received
-Different types of questions were also scattered throughout the test.
-In a point scale, credit (points) are awarded for each items.
*It makes it easier to group similar items together.
-This approach was adopted in later Binet revision.
-The point scale allowed for consideration of different skill areas.
The Performance Scale Concept correct answers -It examined nonverbal intelligence in a way
not addressed by early Binet scales
*It looked at these skills beyond just younger years.
-Original Wechsler test had two scales- verbal and performance.
-More recent versions have as many as five major scales.
-Performance scores had been looked at before but never in a way that compared them to verbal
scores like the Wechsler test.
-It could reduce bias from language and culture
Advantages of Wechsler's scale correct answers Made for adults:
-Items have content validity for adults.
-Does not handicap older adults.
-Considers intellectual deterioration with age
Point scale:
-Credit received for each item passed.
-Items grouped by content
-Yields multiple scores
Performance scale:
-Nonverbal measure of intelligence
-Nonverbal/performance tasks grouped together
From the Wechsler-Bellevue Intelligence Scale to the WAIS-IV correct answers -Wechsler-
Bellevue Intelligence Scale-1939.
-Wechsler Adult Intelligence Scale (WAIS)-1955
