Date: 2018-01-08 01:10
Fidgeting on a date could signify to some that you lack confidence and do not deserve the person that you are with. Fidgeting on a job interview may mean that you are lying about your qualifications. Fidgeting with a significant other can mean that you are just being you.
Take Control of Your Nonverbal Communication – Video explaining how to notice and use body language. (Harvard Business Review)
The OED dictionary definition of kinesics - the technical term for the study of body language (and more loosely of body language itself) - depends on the interpretation of 'non-verbal communication':
As with interpreting body language generally, beware of concluding anything based on a single signal. Clusters of signals are more reliable. Foot pointing, knee pointing, and leg-crossing signals can all be due simply to comfort, rather than expressions of interest or sexual appeal.
These points are generally for the purpose of a leader or someone aspiring to lead, or coach, counsel, etc. They also relate to one-to-one situations like appraisals, interviews, etc.
Emphatic/emphasizing gestures - gestures which reinforce the meaning of spoken words, ., jabbing fingers, weighing hands.
Arms act as defensive barriers when across the body, and conversely indicate feelings of openness and security when in open positions, especially combined with open palms.
Palm - inside surface of the hand - significant in body language because an open palm has for thousands of years indicated that no weapon is concealed, which survives as perhaps a genetically inherited signal of peace, cooperation, submissiveness, etc.
An important aspect of body language is facial expression, which is arguably one part of body language for which quite early 'scientific' thinking can be traced:
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