What do intelligence tests miss?

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  • Created by: brobs123
  • Created on: 21-01-18 18:08

What do IQ tests assess?

Stanovich (2009) - IQ tests do assess

  • How well a person can hold beliefs in STM and manipulate them
  • How efficiently a person processes info that's been provided
  • Ability to focus on an immediate goal despite of distractions

But they don't assess

  • Emotional intelligence
  • Whether a person has the tendency to develop goals that are rational, to begin with
  • Whether a person is a critical assessor of info as it's gathered by natural environment
  • Whether a person has the tendency to develop rational beliefs when presented with evidence
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Dual-process Theory

Model of the mind (2 ways of thinking) based on dual-process theory:

AUTONOMOUS MIND (few individual differences)
Type 1 - automatic, autonomous, fast-acting, heuristic processing (figuring it out for themselves)

  • Little/no load on attention/central processing capacity
  • Independent of high-level control mechanisms
  • Operate in parallel 
    - e.g. face/word recognition, depth perception

ALGORITHMIC MIND (what intelligence tests measure)
Type 2 - slow, computationally expensive, serial, controlled processing

  • Rule-based
  • Oversees Type 1 processing
    - e.g. conscious problem solving, fairness judgements, financial decisions

Use autonomous mind until you have a bit more time to think, then overlapping occurs, and you use algorithmic mind 

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Possible Third Way of Thinking

REFLECTIVE MIND
Type 3 - beliefs, goals

  • Questions goals of Type 2 processes
  • Cog styles/ thinking dispositions
  • Belief structure 
  • Attitudes towards forming + changing beliefs

If we don't engage this = we'll think superstitiously

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Dysrationalia

Defined as = Someone within typical IQ range, but acts irrationally 

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Humans as Cognitive Misers

Take in as little information to process as we can to save energy (evolutionary adaptation).

When approaching a problem, we choose between several cog mechanisms to help:

  • Some = greater computational power, but slow and concentration required
  • Others = low computational power, but quick and little concentration required
    HUMANS TEND TO CHOOSE THIS

Kahneman and Frederick, (2002); Frederick, (2005): being miserly

  • Bat and ball cost £1.10
  • The bat costs £1 more than the ball
  • How much does the ball cost?
    ISN'T 10 PENCE (honestly I still can't figure it out)

Levesque's Anne Problem

  • Is a married person looking at an unmarried person etc etc 
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Framing Effects and IQ

Tversky and Kahneman (1984) - framing effects can determine how someone perceives something
(e.g. 200/600 saved OR 1/3rd probability that all 600 will be saved) 

Between subjects design

  • No relation to IQ (high and low IQ both showed framing effects)

Within subjects design

  • High IQ less likely to show framing effects
    - however a cue is required before high IQ do better

In conclusion = intelligent people do better, only when you tell them what to do.

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The Mindware Gap

Mindware 

  • Rules, data, procedures, strategies and other cog tools that must be retrieved from memory, to think rationally.

Mindware Gap

  • The absence of the above knowledge created a mindware gap
  • Not tested in typical intelligence tests

Wason Selection Task (Wason, 1966; 1968)
KA85

  • If card has vowel on the letter side, then even number on the number side
  • 10% pick up A and 5 cards (correct)
  • Because, in order to show the rule is correct you have to falsify it
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Contaminated Mindware

The problem may not be lack of mindware, but lack of application to rationality.

  • Several Nazi war criminals scored over 125 on IQ tests

MENSA members

  • 44%  believe in astrology
  • 51% in biorhythms
  • 56% in ET visitors
  • (which to some are irrational beliefs because they lack evidence)

In conclusion = high IQ doesn't mean you're protected from 'irrationality'

  • People do not seek to evaluate their beliefs, only to confirm them.
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Stanovich Conclusion

Attempted to separate intelligence and rationality. 

  • He wants to cut intelligene down, rather than expand the concept of it to mental, physical and social factors
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Possible Exam Questions

(1) What is dysrationalia?

(2) What don't IQ tests measure?

(3) How do cognitive miserliness and problems with mindware affect intelligence?
- first you gotta define intelligence...

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