Midterm: Interpretation Indices/Subjects Flashcards
What is VIQ and PIQ?
What was used before Weschler IV; verbal vs perceptual
-still can suggest outcomes
What is verbal intelligence?
VCI
school learning
- auditory-verbal stimuli
- vocal-verbal response
- high demand for previous learning
- low demand for speed
- left hemisphere is more VCI
- crystalized
- emphases on achievement
- hard work
- may be less able to deal with surprises
*higher with higher SES
What is perceptual intelligence?
PRI
Speed, adaptation
- visual-nonverbal stimuli
- motor-manipulative nonverbal response
- low demand for previous learning
- high demand for speed
- right hemisphere is more PRI
- fluid
- cultural disadvantage
- learning disability
*PRI>VCI bilingual
What is crystallized ability (Gc)?
- “Learned” ability
- Involved in tasks that utilize
- Previous training
- Education
- Acculturation
- Vocabulary as prototypical test
What is fluid ability (Gf)?
- “Raw” ability
- Problem solving
- Adaptation and flexibility
- Unfamiliar stimuli
- Matrix Reasoning as prototypical test
- Figure Weights an additional Gf test
What does a slow time mean? How can time pressure impact a score?
- greatest impact on PIQ
- coordination could still complicate
- slow response may be cultural (rude to speak before someone, value accuracy)
- may be intelligence
- substance abuse, broken arm, vision, anxiety, adhd
Does PRI > VCI mean greater perceptual reasoning?
NO! could be a number of other factors
What does WMI measure?
short-term memory, attention, and concentration
What does PSI measure?
speed of performance on visual motor tasks (and inference speed of processing)
Vocabulary subtest
VCI
-“Tell the meaning of some words” in order of ascending difficulty
-Number of words known, not elegance of language
-Vocabulary-in-use, not recognition vocabulary (which is not as good a measure of g)
-The best single measure of intelligence (highest g loading)
-Reflects (learning ability (via past learning),
fund of general information, general range of ideas)
-May set upper limit on available concepts
Similarities subtest
VCI
- 2nd loading on g
- “How are (ostensibly different concepts) alike?”
- Abstraction, involving
1. Previous learning (long-term memory, crystallized intelligence)
2. Verbal comprehension
3. Associative thinking
4. Ability to perceive and verbalize similarities that are more abstract than surface dissimilarities - have to know concepts and then think abstractly about how they relate
- May reflect cultural/educational bias
- “Abstract” responses to easy items may be rote on easier items
**Concrete thinking: often showing autism and intellectual disabilities
Four levels of similarities conceptualization
- No appreciation of similarity or irrelevant similarity
- Concrete similarity (both have skins)
- Functional similarity (you can eat both)
- Abstract similarity (they’re both fruit)
Information subtest
VCI Questions regarding -general information -“contemporary” affairs -“cultural” information -scientific information and numerical information
Assumptions
-Breadth of information related to intelligence
-Info available in “the usual opportunities in the society“
(Idea being: more intelligent person has broader interests, greater curiosity, and seeks more stimulation:
greater fund of information)
- Questions are Straightforward, Initially easy, Relatively free of emotional content
- Relatively resistant to decline
- Rough indication of attainment
- Index of interest in environment
Comprehension subtest
VCI–supplemental
- Items have form of factual Information items
- But, several correct ways to respond
- Calls for judgment regarding which is best
Three types of items
- Practical judgment (Using own information to make decision)
- Discerning and articulating rationales for various cultural practices, conventions, or principles—also require information
- Proverbs
What is the VCI (verbal compression index)?
-Measure of acquired knowledge and verbal reasoning
-More refined measure than VIQ
-Not confounded by WMI
-Comprehension subtests shares many characteristics with the VCI subtests
(And is thus a supplemental)