Hand shape linked with Extraversion!

**Martijn (admin)** Sun Nov 18, 2012 11:14 am

Early findings for a female sample had indicated that hand shape is a key-element for recognizing Extraversion/Introversion. Likewise results are now available from a male sample!

The findings indicate that the so-called 'Fire hand shape' (= short fingers + large long palm) is more common in Extraverts, while the so-called 'Water hand shape' (= long fingers + small narrow palm) is much more common among Introverts.

Many more details on the measurements & findings are presented at HandResearch.com inside the article: Introverts have longer fingers, Extraverts have wider palms!

(Including a historical review of the literature linking hand shape with extraversion/introversion!)

PS. Be aware: most people can best be described as 'ambiverts', but the results of this study results from a comparison between 'extraverts' and 'introverts' ('ambiverts' were excluded!).
Hand shape linked with Extraversion! Extrov

Hand shape linked with Extraversion! Extrov

**Sari** Mon Nov 19, 2012 10:51 am

Interesting and true, I think, I have found introverts in the water hand and earth hand, but most extroverts in the fire and air. It's kind of related to the astrology as well with these personality types, the water and earth are generally quiet, where the air and fire seek attention.

**Martijn (admin)** Mon Nov 19, 2012 10:58 am

Hi Sari, thanks for sharing your experience on this matter!

Thumbs up!

**Martijn (admin)** Sat Nov 24, 2012 1:59 pm

... Just added a visual impression of the finger length variations between extraverts and introverts (in an international perspective), and it shows why the 'hand index' is an important measure to discriminate extraverts from introverts.

More details inside the article:
Introverts have longer fingers, extraverts have wider palms

(PS. Many more exciting results ahead: e.g. 2D:4D and hand index combined appear to discriminate most extraverts from most introverts... !)

Hand shape linked with Extraversion! Extraversion-introversion-finger-length-index

Hand shape linked with Extraversion! Extraversion-introversion-finger-length-index

**Martijn (admin)** Thu Dec 06, 2012 8:57 am

This new article describes how to hand shape and 2D:4D digit ratio combined appear produce very significant results in both groups (Dutch males and females):
http://www.handresearch.com/diagnostics/extraversion-digit-ratio-finger-length-hand-shape.htm

(These results present confirming evidence for the significance of hand signs 1, 4 and 5 inside the 'hand model for Extraversion')

Hand shape linked with Extraversion! Extraversion-introversion-hand-shape-finger-length-proportions

Hand shape linked with Extraversion! Extraversion-introversion-hand-shape-finger-length-proportions

Hand shape linked with Extraversion! Extraversion-2d-4d-digit-ratio-hand-shape

**Martijn (admin)** Fri Jan 11, 2013 7:11 pm

Hand shape linked with Extraversion! Extraversion-introversion-hand-signs

The new 'Hand Model for Extraversion' is available!

A detailed comparison of the male- and female samples have indicated that the Big Five dimension Extraversion tends to manifest in the hand via a combination of aspects in 3 hand dimensions:

1) Hand shape
2) Finger length
3) Palmar creases

Many more details are presented in this brand new article:
6 Hands signs for Extraversion / Introversion

(Contrary to the earlier article, the new article describes how the 'Hand Model for Extraversion' has been composed; and the new model describes more explicit that there is a third (neutral) category that is found between Extraversion and Introversion... formally called Ambiversion!)

Hand shape linked with Extraversion! Introvert-extrovert

Hand shape linked with Extraversion! Introvert-extrovert

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Hand shape linked with Extraversion!

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