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Correlation doesn't guarantee that the mapping preserves meaning. In a group of people there could be a correlation between dietary preference (for example) and

Correlation doesn't guarantee that the mapping preserves meaning. In a group of people there could be a correlation between dietary preference (for example) and personality type, but that doesn't mean that a mapping from one to the other lets you treat the former as a proxy for the latter.

Mouse47 10y ago
Especially since the 'big five' has five (independent) metrics and MB has four...any mapping would be lossy.
- p0nce 10y ago
  PCA of personality traits hints more at 3 dimensions rather than 5. Big five are practical but not completely uncorrelated.