positive feedback

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pos·i·tive feed·back

that which occurs when the sign or sense of the returned signal results in increased amplification or leads to instability.
Farlex Partner Medical Dictionary © Farlex 2012

positive feedback

See Feedback.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

pos·i·tive feed·back

(pozi-tiv fēdbak)
That found when the sign or sense of the returned signal results in increased amplification or leads to instability.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

positive feedback

The characteristic of any system with an output proportional to its input in which a portion of the output is fed back to the input in such a phase as to increase the input. The effect of this is rapidly, and sometimes dangerously, to increase the output. Compare NEGATIVE FEEDBACK.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

positive feedback

see FEEDBACK MECHANISM.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Palmen, Didden, and Arts (2008) used self-recording and self-reinforcement to substantially increase question-asking skills during tutorial sessions.
This subscale was also related to scores on the Revised UCLA Loneliness Scale (r(174) = 0.34, p < .001) and the Provisions of Social Relations Scale (r(175) = -0.25,p = .001), but not the Frequency of Self-Reinforcement Questionnaire (r(172) = 0.15, p = .052) and the Liking People Scale (r(173) = 0.01, p = .90).
Differential effects of methylphenidate and self-reinforcement on attention-deficit hyperactivity disorder.
The purpose of this research was to establish a constitutive relation for elastomers and hydrogels exhibiting self-reinforcement when exposed to large strains.
Discriminative activation and maintenance of contingent self-reinforcement.
Ideally, behavioral self-control strategies would include self-reinforcement in which the individual administers reinforcement for achieving behavioral goals.
Examining the constitution of selves in cross-cultural experiences of immigration, Ritivoi suggests how both aspects of identity, the idem and the ipse, factor into the strategies of survival and change, self-reinforcement and self-repudiation, using her two immigrant case studies to argue for a synthesis of two, apparently opposed views of personal identity, "realist" and "constructivist."
Despite starting with a flawed description of positive feedback systems (although the social-ecological system clearly changed, no self-reinforcement mechanism for such change is described), the section's first chapter provides wonderful examples of material technological adaptation and exchange among the different cultures.
Children's achievement attributions and self-reinforcement: Effects of self-concept and competitive reward structure.