PSYA01H3 Lecture : really good textbook notes
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One rock group accused of encouraging suicide by including command do it recorded backward. Begg, needham, bookbinder examined this by playing backwards or forwards message and tested whether people could recognize message played backward and whether they agreed with message played in forward direction. Found that hearing backward message helped you recognize same message played backward again but meaning was lost. Subliminal perception perception of stimulus, as indicated by a change in behaviour, at an intensity sufficient to produce a conscious sensation. Person denies detecting stimulus yet stimulus has measurable effect on behaviour. Effects are subtle and special procedures required to demonstrate them. Cheesman and merikle looked at effect of presenting word just before students were asked idenity colour of brief flash of light. If word and colour name were different then it took longer to identiy colour incongruent priming.
