The 7-38-55 rule: the figure that keeps being misused in presentation advice
For anyone preparing a talk, or teaching communication skills. The 7, 38 and 55 per cent figures come from two 1967 experiments on liking and disliking, using only words, a voice and a face photograph. Mehrabian himself says they do not apply unless the speaker is talking about feelings.
#nonverbal-communication#albert-mehrabian#presentation-skills#doc-hieu-so-lieu
