Prismattic comments on Myers-Briggs / MLPTI personality-type conversion chart - Less Wrong

3 Post author: PhilGoetz 01 November 2011 08:08PM

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Comment author: Prismattic 02 November 2011 12:06:30AM 9 points [-]

"Why are there 16 personality types when everyone I know is an INTJ?"

This strongly suggests that "everyone you know" is a nonrandom sample of the population.

Putting the cognitive pieces aside, in the US extroverts heavily outnumber introverts, for starters.

Comment author: PhilGoetz 02 November 2011 01:55:26AM 6 points [-]

Or it just seems that way, because the introverts stay at home.

Comment author: moe 09 November 2011 12:02:18PM 1 point [-]

Or it just seems that way, because the introverts stay at home.

doesn't seem internally consistent with

"Why are there 16 personality types when everyone I know is an INTJ?"

I'd be inclined to believe that

"everyone you know" is a nonrandom sample of the population.

is true of everybody.

The numbers I've seen with reference to introvert/extrovert ratios are 1 introvert to every 3 extroverts in the US. Unfortunately I've seen it in several books that don't provide a direct reference for the ratio. It seems to be treated as common knowledge in that way. Anyone know where it came from?