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- 2. System analysis and decision making [1] Young children (pre-schoolers) may take years to come fully to
- 3. System analysis and decision making [1] they are understandably inclined to look primarily at the exterior
- 4. System analysis and decision making [1] (b) they start from their own experiences and make analogical
- 5. System analysis and decision making [1] (c) they often concentrate on just one aspect, presumably due
- 6. System analysis and decision making [1] (d) they assume that everybody has the same knowledge and
- 7. [1] Logical arguments are used to elaborate the ontological tree. Logical development has to do with
- 8. SYSTEM ANALYSIS AND DECISION MAKING HYPOTHETICAL POSSIBILITIES
- 9. Human beings engage in a kind of thinking that requires consideration of hypothetical possibilities. Hypothetical thinking
- 10. The importance of hypothetical thinking is associated with dual processes in thinking and reasoning. There are
- 11. The implicit system provides automatic input to human cognition in the form of pragmatic processes whose
- 12. The explicit system is linked to language and reflective consciousness, and providing the basis for reasoning.
- 13. THE THREE PRINCIPLES OF HYPOTHETICAL THINKING The singularity principle. People consider a single hypothetical possibility, or
- 14. System analysis and decision making Hypothetical thinking model
- 15. The explicit system evaluates the hypothesis against evidence and accepts it if it satisfies (is consistent
- 16. But people represent only one relevant possible world at a time as a mental model. If
- 17. People tend to focus quickly on one of these possibilities and to draw out only some
- 18. The Relevance Principle System analysis and decision making
- 19. The models people consider are preconsciously cued by the implicit system in accordance with the relevance
- 20. System analysis and decision making Hypothetical thinking model
- 21. First, there are the features of the task or the environment that need to be processed
- 22. System analysis and decision making Two principles of relevance: First (cognitive) principle of relevance. Human cognition
- 23. System analysis and decision making Relevance is always related to the current goals, both practical and
- 24. System analysis and decision making Principle of truth leads people to represent true rather than false
- 25. System analysis and decision making The default representation of likely possibilities can easily be changed, however,
- 26. Experiment, Manktelow and Over (1991). If a customer spends more than £100, they may take a
- 27. System analysis and decision making The Satisficing Principle
- 28. System analysis and decision making Satisficing means employing heuristics that find solutions which are satisfactory, or
- 29. System analysis and decision making HYPOTHETICAL THINKING IN DEDUCTIVE REASONING TASKS
- 30. The general theory of mental models proposes three stages in deductive reasoning. First, reasoners form a
- 31. The syllogisms were classified a priori into three types: Necessary. The conclusion must be true if
- 32. System analysis and decision making Evidence for mental model theory in syllogistic reasoning has also been
- 33. System analysis and decision making The initial process of constructing a model is biased by the
- 34. System analysis and decision making Propositional Reasoning
- 35. System analysis and decision making The mental model theory of reasoning with propositional connectives such as
- 36. System analysis and decision making First of all, there is an exhaustivity marker, or “mental footnote”,
- 37. System analysis and decision making Second, there is an implicit model which indicates that other models
- 38. System analysis and decision making MODUS PONENDO PONENS (MP or modus ponens) or implication elimination is
- 39. System analysis and decision making The modus ponens rule may be written in sequent notation: P
- 40. System analysis and decision making An example of an argument that fits the form modus ponens:
- 41. System analysis and decision making Justification via truth table The validity of modus ponens in classical
- 42. System analysis and decision making
- 43. System analysis and decision making In instances of modus ponens we assume as premises that p
- 44. Тhe theory also proposes that the representation can be “fleshed out” to include explicit representation of
- 45. System analysis and decision making The premise “not-q” eliminates all but the last model, so enabling
- 46. System analysis and decision making In order to explain differences in inference rates between (logically equivalent)
- 47. How would the hypothetical thinking model account for the moderate competence to perform the modus tollens
- 48. Given the premise “If p then q,” people consider the most relevant case: p and q.
- 49. System analysis and decision making suppose p were the case; then q would have to be
- 50. System analysis and decision making suppose p were the case; then q would have to be
- 51. Supposedly, deductions in the model theory are based upon the observation that all the models are
- 52. System analysis and decision making If people are asked to classify the four truth-table cases for
- 53. System analysis and decision making The problem is this: How do people know the difference between
- 54. System analysis and decision making The reasoner can certainly discover TF by arguing as follows: every
- 55. System analysis and decision making Suppositional Reasoning
- 56. System analysis and decision making The suppositional strategy of interest was based on a logical principle
- 57. System analysis and decision making An example of a congruent problem is as follows: If and
- 58. System analysis and decision making If and only if p then q not-p or not-q, or
- 59. All x are z. All y are z. Therefore, some x are y. ____________________ Some x
- 60. System analysis and decision making Strategy
- 61. System analysis and decision making In general, there are two categories of definition for the word
- 62. System analysis and decision making A strategy is “any procedure that is non-obligatory and goal directed”.
- 63. System analysis and decision making
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