Molecular contingencies in schedules of intermittent punishment.

abstract：:The effects of patch encounter rate on patch choice and meal patterns were studied in rats foraging in a laboratory environment offering two patch types that were encountered sequentially and randomly. The cost of procuring access to one patch was greater than the other. Patches were either encountered equally often o...

journal_title：Journal of the experimental analysis of behavior

authors： Collier G,Johnson DF,Berman J

更新日期：1998-01-01 00:00:00

abstract：:In Experiment I, a group of eight pigeons performed on concurrent random-interval schedules constructed by holding probability equal and varying cycle time to produce ratios of reinforcer densities of 1:1, 3:1, and 5:1 for key pecking. Schedules for a second group of seven were constructed with equal cycle times and u...

journal_title：Journal of the experimental analysis of behavior

authors： Rodewald HK

更新日期：1978-11-01 00:00:00

abstract：:Pigeons pecked a key under two-component multiple variable-ratio schedules that offered 8-s or 2-s access to grain. Phase 1 assessed the effects of differences in reinforcer magnitude on postreinforcement pausing, as a function of ratio size. In Phase 2, postreinforcement pausing and the first five interresponse times...

journal_title：Journal of the experimental analysis of behavior

authors： Blakely E,Schlinger H

更新日期：1988-07-01 00:00:00

abstract：:Previous research has shown that Lewis rats make more impulsive choices than Fischer 344 rats. Such strain-related differences in choice are important as they may provide an avenue for exploring genetic and neurochemical contributions to impulsive choice. The present systematic replication was designed to determine if...

journal_title：Journal of the experimental analysis of behavior

authors： Madden GJ,Smith NG,Brewer AT,Pinkston JW,Johnson PS

更新日期：2008-11-01 00:00:00

abstract：:Task contingencies were modeled from bureaucratic organizations in which vague job descriptions provide incomplete contingency specifications. Response rates within dyads were examined using two nonsocial, two social, and two control contingencies. In the first social contingency, responses by the superior produced mo...

journal_title：Journal of the experimental analysis of behavior

authors： Rao RK,Mawhinney TC

更新日期：1991-07-01 00:00:00

abstract：:In a two-key concurrent variable-interval schedule (using pigeons), if the reinforcement frequency for one response is held constant while that for the other is increased, the rate of response on the constant key decreases. The immediate reinforcement for key pecking can usually be conceptualized as the change from a ...

journal_title：Journal of the experimental analysis of behavior

authors： Michael JL

更新日期：1979-09-01 00:00:00

abstract：:Observing responses by pigeons were studied during sessions in which a food key and an observing key were available continuously. A variable-interval schedule and extinction alternated randomly on the food key. In one condition, food-key pecking during extinction decreased reinforcement frequency during the next varia...

journal_title：Journal of the experimental analysis of behavior

authors： Allen KD,Lattal KA

更新日期：1989-11-01 00:00:00

abstract：:Five pigeons were trained to detect differences in light intensity. Two stimuli, S1 and S2, differing in intensity, were arranged on the center key of a three-key chamber according to set probabilities. A peck on the center key turned on the two side keys. When S1 was presented on the center key, a peck on the left ke...

journal_title：Journal of the experimental analysis of behavior

authors： McCarthy D,Davison M

更新日期：1979-11-01 00:00:00

abstract：:Eight alligators were trained to escape heat by traversing an 8-ft runway containing right or left approaches to a water tank. All subjects were run until they had satisfied three criteria of stable response time, after which the predominant escape path was blocked, requiring discrimination reversal. Seven subjects ag...

journal_title：Journal of the experimental analysis of behavior

authors： Davidson RS

更新日期：1966-11-01 00:00:00

abstract：:Five rats pressed levers on variable-interval schedules of water reinforcement at various levels of water deprivation. In one phase of the experiment, three deprivation conditions that replicated conditions in Heyman and Monaghan (1987) were arranged, along with three less extreme deprivation conditions. In a second p...

journal_title：Journal of the experimental analysis of behavior

authors： McDowell JJ,Dallery J

更新日期：1999-09-01 00:00:00

abstract：:Pigeons were trained on multiple schedules in which responding on a center key produced matching-to-sample trials according to the same variable-interval 30-s schedules in both components. Matching trials consisted of a vertical or tilted line sample on the center key followed by vertical and tilted comparisons on the...

journal_title：Journal of the experimental analysis of behavior

authors： Nevin JA,Milo J,Odum AL,Shahan TA

更新日期：2003-05-01 00:00:00

abstract：:Three experiments were conducted to study the effect of an imperfect substitute for food on demand for food in a closed economy. In Experiments 1 and 2, rats pressed a lever for their entire daily food ration, and a fixed ratio of presses was required for each food pellet. In both experiments, the fixed ratio was held...

journal_title：Journal of the experimental analysis of behavior

authors： Bauman RA,Raslear TG,Hursh SR,Shurtleff D,Simmons L

更新日期：1996-03-01 00:00:00

abstract：:Five pigeons were exposed to an unsignalled avoidance procedure where key pecks were maintained through shock postponement. Functions obtained showed an inverse relationship between rate of responding and length of the response-shock interval, while changes in the shock-shock interval had no systematic effect on respo...

journal_title：Journal of the experimental analysis of behavior

authors： Todorov JC,Ferrari EA,De Souza DG

更新日期：1974-07-01 00:00:00

abstract：:Rats were trained on a successive discrete-trial discrimination between two tonal stimuli to examine the effects of availability of a lever during intertrial intervals. In the discrete-trial condition, in which a lever was removed from the chamber during intertrial intervals, 10-s trials were initiated by the presenta...

journal_title：Journal of the experimental analysis of behavior

authors： Hachiya S,Ito M

更新日期：1991-01-01 00:00:00

abstract：:Two experiments evaluated whether rats' occupancy of a restraint tube is reinforcing. In Experiment 1, each rat in the 0-min group moved freely in a chamber where a wall blocked access to a restraint tube. After 10 min the wall was removed, permitting 15 min of chamber access and tube entry. The other 2 groups were lo...

journal_title：Journal of the experimental analysis of behavior

authors： Hachiga Y,Silberberg A,Slotnick B,Gomez M

更新日期：2020-05-01 00:00:00

abstract：:According to Relational Frame Theory (RFT) Crel denotes a contextual stimulus that controls a particular type of relational response (sameness, opposition, comparative, temporal, hierarchical etc.) in a given situation. Previous studies suggest that contextual functions may be indirectly acquired via transfer of funct...

journal_title：Journal of the experimental analysis of behavior

authors： Perez WF,Kovac R,Nico YC,Caro DM,Fidalgo AP,Linares I,de Almeida JH,de Rose JC

更新日期：2017-11-01 00:00:00

abstract：:In Experiment 1, six naive pigeons were trained on a foraging schedule characterized by different states beginning with a search state in which completion of a fixed-interval on a white key led to a choice state. In the choice state the subject could, by appropriate responding on a fixed ratio of three, either accept ...

journal_title：Journal of the experimental analysis of behavior

authors： Abarca N,Fantino E

更新日期：1982-09-01 00:00:00

abstract：:Pigeons acquired discriminated key pecking between 528- and 540-nm stimuli by either a response-reinforcer (operant group) or a stimulus-reinforcer (autoshaped group) contingency, with other training-schedule parameters comparable over groups. For the birds in the operant group, key pecks intermittently produced grain...

journal_title：Journal of the experimental analysis of behavior

authors： Weiss SJ,Weissman RD

更新日期：1992-03-01 00:00:00

abstract：:Two pigeons were trained to perform discrimination tasks along two dimensions, wavelength of a circular spot of light and orientation of a white line. Discriminability among stimuli along these dimensions was established for both subjects by means of a steady state testing procedure. The two dimensions were then combi...

journal_title：Journal of the experimental analysis of behavior

authors： Zuckerman DC

更新日期：1973-09-01 00:00:00

abstract：:The present study investigated the effects of positive and negative GABA(A) modulators under three different baselines of repeated acquisition in squirrel monkeys in which the monkeys acquired a three-response sequence on three keys under a second-order fixed-ratio (FR) schedule of food reinforcement. In two of these ...

journal_title：Journal of the experimental analysis of behavior

authors： Campbell UC,Winsauer PJ,Stevenson MW,Moerschbaecher JM

更新日期：2004-07-01 00:00:00

abstract：:We investigated the effects of discriminative stimuli on choice in a highly variable environment using a procedure in which multiple two-key concurrent VI VI components changed every 10 reinforcers and were signaled by differential flashes of red and yellow keylights. Across conditions, five pigeons were exposed to a ...

journal_title：Journal of the experimental analysis of behavior

authors： Krägeloh CU,Elliffe DM,Davison M

更新日期：2006-07-01 00:00:00

abstract：:The ecological approach to perception, as developed by James Gibson, is described and applied to how one knows, by means of the haptic perceptual system, various properties of hand-held objects. Four sets of experiments are reviewed in which subjects reported on the extent, orientation, shape, and fractional component...

journal_title：Journal of the experimental analysis of behavior

authors： Turvey MT,Solomon HY,Burton G

更新日期：1989-11-01 00:00:00

abstract：:Pigeons and other animals sometimes deviate from optimal choice behavior when given informative signals for delayed outcomes. For example, when pigeons are given a choice between an alternative that always leads to food after a delay and an alternative that leads to food only half of the time after a delay, preference...

journal_title：Journal of the experimental analysis of behavior

authors： McDevitt MA,Dunn RM,Spetch ML,Ludvig EA

更新日期：2016-01-01 00:00:00

abstract：:Three normal adults were first trained to point sequentially to each member of several pairs of visual stimuli. This baseline training established one class of stimuli to which subjects responded first, and another class of stimuli to which they responded second. Then, in a matching-to-sample procedure, baseline-seque...

journal_title：Journal of the experimental analysis of behavior

authors： Lazar R

更新日期：1977-03-01 00:00:00

abstract：:Pigeons' pecks on either of two concurrently available response keys produced secondary reinforcers according to independent one-minute variable-interval schedules. Different secondary reinforcers, in the presence of which the rates of primary reinforcement were equal, were associated with each key. The rate of peckin...

journal_title：Journal of the experimental analysis of behavior

authors： Fantino E,Herrnstein RJ

更新日期：1968-01-01 00:00:00

abstract：:Previous experiments have shown that both cocaine and d,l-cathinone can function as positive reinforces when delivered intravenously to rhesus monkeys. However, the relative reinforcing efficacies of these compounds have not been established. In the present experiment, three rhesus monkeys were allowed to choose betwe...

journal_title：Journal of the experimental analysis of behavior

authors： Woolverton WL,Johanson CE

更新日期：1984-01-01 00:00:00

abstract：:Where do equivalence relations come from? One possible answer is that they arise directly from the reinforcement contingency. That is to say, a reinforcement contingency produces two types of outcome: (a) 2-, 3-, 4-, 5-, or n-term units of analysis that are known, respectively, as operant reinforcement, simple discrim...

journal_title：Journal of the experimental analysis of behavior

authors： Sidman M

更新日期：2000-07-01 00:00:00

abstract：:Three pigeons were each trained to perform a discrimination problem and a matching problem. Following acquisition, delays of 1 to 7 sec were interposed after stimulus presentation on both problems. Accuracy of responding on these two types of delay procedures was observed to be a function of length of delay interval. ...

journal_title：Journal of the experimental analysis of behavior

authors： Smith L

更新日期：1967-11-01 00:00:00

abstract：:Operant conditioning techniques were applied to the study of how target fixations are controlled by the probability of signal occurrence. In a standard vigilance setting, gaze at three illuminable volt meters was monitored by a Mackworth television eye camera with automatic recording capability. Gaze at a given meter ...

journal_title：Journal of the experimental analysis of behavior

authors： Rosenberger PB

更新日期：1973-11-01 00:00:00

abstract：:Three experiments are reported which investigated the effects of cost (point loss per response) upon human-observer responses maintained by VI and FI schedules of reinforcement (acquisition of points via critical-signal detections). (I) Cost attenuated VI response rates without substantially disturbing the constancy o...

journal_title：Journal of the experimental analysis of behavior

authors： WEINER H

更新日期：1962-04-01 00:00:00