conditional relation


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  • noun

Synonyms for conditional relation

a logical relation between propositions p and q of the form 'if p then q'

References in periodicals archive ?
Stimulus equivalence is said to occur when a series of conditional relations are trained among stimuli without any formal similarity, and the emergence of novel, untrained conditional relations among those stimuli is observed, relations that meet the criteria for the properties of a mathematical equivalence relation: reflexivity, symmetry, and transitivity (Sidman & Tailby, 1982; Saunders & Green, 1998).
McIlvane and Stoddard (1981) investigated contingency arrangements necessary for the development of a teaching procedure that would guarantee the learning of conditional relations from exclusion trials.
The results of studies that are not in agreement with the hypothesis formulated herein are those presented by Pilgrim and Galizio (1995), in which two equivalence classes, each with three stimuli, were trained (Phase 1) and a conditional relation for each of the classes was reversed (Phase 2).
Table 2 summarizes the experimental phases, showing the conditional relations trained or tested in each phase, and the number of trials and learning criteria (when applicable).
When dealing with complex stimuli, as in the current research, a conditional relation cannot be defined merely by the sample and positive comparison stimuli because that sort of definition does not indicate the elements of the stimuli that are controlling behavior.
Equivalence relations are said to occur when a set of arbitrary conditional discriminations is trained and, as a consequence, a new set of untrained conditional relations emerges--specifically, reflexivity, symmetry, and transitivity relations (Sidman & Tailby, 1982).
They reasoned that if both sample-S+ and sample-S-controlling relations increase the probability of class formation, then training conditional relations with the blank-comparison method would assure that baseline training would engender both relations, and therefore the probability of class formation would increase.
It is well established in the equivalence class literature that, for example, by reinforcing conditional relation A1B1, one makes more probable the occurrence of conditional relation B1A1.
(2012) and Travis, Fields, and Arntzen (in press) have noted that meaningful stimuli serve as discrimanda for particular responses, as members of conditional relations, and as members of other categories.
In an identity conditional relation, an individual is presented with a range of sample stimuli along with a set of comparison stimuli, one of which is identical to the sample stimulus; the selection of the comparison that is identical to the sample stimulus would document the presence of an identity conditional relation.
Each session for either training or test consisted of 192 trials presented in a semi-random order within blocks of 48 trials according to the following criteria: 1) each comparison location was scheduled to receive 12 correct comparisons; 2) the presentation of correct comparisons in the same location did not repeat more than twice consecutively; and 3) a given conditional relation did not repeat more than twice consecutively.
The results showed that the participants performed in accordance with the equivalence-class formation, suggesting that the MTS manual-observing-response procedure allowed the acquisition of the conditional relations. In Experiment 2, participants were prevented from observing the S+ or the S--comparisons during the conditional-discrimination training phase.
Conditional relations among stimuli can be taught using matching-to-sample (MTS) procedures.
This procedure facilitates teaching conditional relations between, for example, dictated and printed words (e.g., de Rose, de Souza & Hanna, 1996) or between sounds and their representations on pentagram (e.g., Hanna, Batitucci & Natalino-Rangel, 2016; Tena & Velazquez, 1997) conditioning the right choice of a stimulus (e.g., printed words or pentagram) to the presence of a stimulus presented as sample (e.g., a dictated word or a sound).
He pointed out that the meeting heard to four visions represented in call for normalization of relations with Israel, establishment of normal relations, establishment of conditional relations and another view which prevents relations with the Israeli entity .
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