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oral stage

 the first stage in Freud's theory ofdevelopment, from birth to about 15 months, when the primary source of gratification isstimulation of the mouth and lips.

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Psychology term of the day

June 19th 2021

negativereinforcement

in operantconditioning, a method to increase the probability and strength of aresponse by removing or withholding an aversive stimuli  (negative reinforcer)