Wayne D Gersh

• Probabilities of an Aversive Event and Physiological Correlates of Stress

  Open Access•Rebecca Curtis, Rebecca C Curtis et al.•ARTICLE•Psychological Reports•1979

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  In Exp. I, 60 undergraduates were exposed to either a 10%, 50%, 90%, or 100% probability of shock after a 15-sec. anticipation period. The 90% condition produced greater changes in GSR than the 50% and 100% conditions and greater increases in heart rate than the 50% condition. In Exp. II, 60 undergraduates were exposed to either a 10%, 50%, 90%, or 99% probability of a potentially avoidable aversive event. The 90% condition produced greater chang…

• Behavioral Contrast as a Function of Two Different Reinforcers

  Mitri E Shanab, Wayne D Gersh•ARTICLE•The Journal of General Psychology•1976

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  Behavioral contrast was investigated in 17 male rats in three separate experiments in which one component of a multiple schedule was associated with a sucrose solution of either 8%, 16%, or 32%, while the reinforcer in the other component was a standard 45 mg food pellet. All rats showed a higher rate of responding in the food than the sucrose component. Following extinction of the sucrose component, no contrast was obtained in any of the three e…

• Behavioral Contrast as a Function of Two Different Reinforcers

  Mitri E Shanab, Wayne D Gersh•ARTICLE•The Journal of General Psychology•1976

  Añadir item

  Behavioral contrast was investigated in 17 male rats in three separate experiments in which one component of a multiple schedule was associated with a sucrose solution of either 8%, 16%, or 32%, while the reinforcer in the other component was a standard 45 mg food pellet. All rats showed a higher rate of responding in the food than the sucrose component. Following extinction of the sucrose component, no contrast was obtained in any of the three e…

• Probabilities of an Aversive Event and Physiological Correlates of Stress

  Open Access•Rebecca Curtis, Rebecca C Curtis et al.•ARTICLE•Psychological Reports•1979

  Añadir item

  In Exp. I, 60 undergraduates were exposed to either a 10%, 50%, 90%, or 100% probability of shock after a 15-sec. anticipation period. The 90% condition produced greater changes in GSR than the 50% and 100% conditions and greater increases in heart rate than the 50% condition. In Exp. II, 60 undergraduates were exposed to either a 10%, 50%, 90%, or 99% probability of a potentially avoidable aversive event. The 90% condition produced greater chang…

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