The Little Blue Reasoning Book - 50 Powerful Principles for Clear and Effective Thinking

Review :

While there's a lot of self-explanatory stuff in here (as expected), some tidbits were really nice:

- Convergent vs Divergent thinking (cheers to the Divergent)
- Utility analysis
- Decision-event trees

A lot of basic logic-based tips explained easy and nice for people far from Formal Logic as a discipline:
- High correlation (but not causation)
- Q: "Evidence omitted" may hold the key to determining an argument's validity. (c)
- Q: Does your favorite commercial fiction author sell a lot of books because he or she is famous, or is he or she famous as a result of selling lots of books Reverse causation is tricky. (c)
- Q: Theory may be divorced from practice. Plans may not equal completed action. Do not assume that plans will be implemented without a hitch. (c)
- Q: Always look for potentially vague terms in an argument and ask for or seek clarification. (c)
- Q: One way to uncover implementation assumptions is to anticipate bottlenecks. (c)
- Q: An argument may depend on the assumption that a person or organization is aware of a pre-existing fact, situation, or condition. (c)
- Q: Searching for something does not guarantee that we'll recognize it once we've found it. The ability to accurately identity that which we are seeking to find may be a key assumption. (c)
- Q: Necessary conditions are not the same as sufficient conditions. (c)
- Q: Sunk costs are irrelevant to future decision making. (c)
- Q: Test the opposite scenario-if you hear that a full moon causes the crime rate to rise, always ask what the crime rate is like when the moon is not full. (c)

The Four Classic Mindsets
Each of us learns early that different people see the world
differently. Our experience, background, and predispositions
play a unique role in shaping our outlook. Ponder this simple
but revealing question:
Which of the following five sports is least like the other four
A) Baseball
B) Cricket
C) Soccer (Football)
D) Golf
E) Ice Hockey
This is indeed an interesting question highlighting the possibility
of multiple solutions and subjective interpretations. Not only
would such a question never be chosen for an IQ test, but it also
hints at ambiguity so often present whenever individuals make
Case in point: People who are analytically minded tend to focus on the
instruments used to play the sport. People who are holistically
minded tend to see the sport in terms of when and where (i.e.,
geography) it is played. People who are results-oriented are more
likely to see the end result, contrasting the desirable low scores
in golf with the desirable high scores in the other four sports.
Process-oriented individuals will likely see contrasts in the
number of players who play each sport, their physical size, and
their athletic movements. (c)

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