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91.
In five experiments, rehearsal and recall phenomena were examined using the free recall and immediate serial recall (ISR)
tasks. In Experiment 1, participants were presented with lists of eight words, were precued or postcued to respond using free
recall or ISR, and rehearsed out loud during presentation. The patterns of rehearsal were similar in all the conditions, and
there was little difference between recall in the precued and postcued conditions. In Experiment 2, both free recall and ISR
were sensitive to word length and presentation rate and showed similar patterns of rehearsal. In Experiment 3, both tasks
were sensitive to word length and articulatory suppression. The word length effects generalized to 6-item (Experiment 4) and
12-item (Experiment 5) lists. These findings suggest that the two tasks are underpinned by highly similar rehearsal and recall
processes. 相似文献
92.
Analogical reasoning is an important component of intelligent behavior, and a key test of any approach to human language and cognition. Only a limited amount of empirical work has been conducted from a behavior analytic point of view, most of that within Relational Frame Theory (RFT), which views analogy as a matter of deriving relations among relations. The present series of four studies expands previous work by exploring the applicability of this model of analogy to topography-based rather than merely selection-based responses and by extending the work into additional relations, including nonsymmetrical ones. In each of the four studies participants pretrained in contextual control over nonarbitrary stimulus relations of sameness and opposition, or of sameness, smaller than, and larger than, learned arbitrary stimulus relations in the presence of these relational cues and derived analogies involving directly trained relations and derived relations of mutual and combinatorial entailment, measured using a variety of productive and selection-based measures. In Experiment 1 participants successfully recognized analogies among stimulus networks containing same and opposite relations; in Experiment 2 analogy was successfully used to extend derived relations to pairs of novel stimuli; in Experiment 3 the procedure used in Experiment 1 was extended to nonsymmetrical comparative relations; in Experiment 4 the procedure used in Experiment 2 was extended to nonsymmetrical comparative relations. Although not every participant showed the effects predicted, overall the procedures occasioned relational responses consistent with an RFT account that have not yet been demonstrated in a behavior-analytic laboratory setting, including productive responding on the basis of analogies. 相似文献
93.
John A. McCarty Martin I. Horn Mary Kate Szenasy Jocelyn Feintuch 《Journal of Consumer Behaviour》2007,6(1):48-59
- An important consideration for marketers is determining the best approach to take when marketing their product or service across national borders. It has become clear that the answer to this is not as simple as complete standardization or adaptation, and the appropriate approach may be contingent on a complex set of variables. One key aspect of the puzzle relates to an understanding of the attitudes and behaviours of consumers. The current study examines consumer style (variables related to the way people engage in their consumption activities) as an important area of consideration related to international marketing efforts. Consumer style was investigated in three European countries and the US, using data from the DDB Brand Capital Study (a multi‐country survey). Although results showed that country differences are evident on consumption style, a cluster analysis suggests that there were four segments of consumers that transcend country boundaries. The findings add to our knowledge about consumers in these countries and the characteristics of the segments with respect to differing styles of consumption.
94.
Jonathan M. Keefe Jocelyn L. Sy Frank Tong David H. Zald 《Attention, perception & psychophysics》2001,81(1):205-216
The emotional attentional blink (EAB) refers to a temporary impairment in the ability to identify a target when it is preceded by an emotional distractor. It is thought to occur because the emotional salience of the distractor exogenously captures attention for a brief duration, rendering the target unattended and preventing it from reaching awareness. Here we tested the extent to which the EAB can be attenuated by inducing a diffuse top-down attentional state, which has been shown to improve target identification in an analogous attentional phenomenon, the attentional blink. Rapid sequences of landscape images were presented centrally, and participants reported the orientation of a ± 90° rotation of a landscape target. To induce a diffuse state of attention, participants were given a secondary task of monitoring for the appearance of a colored dot in the periphery. We found that emotional distractors impaired target recognition performance to comparable extents, regardless of whether or not participants concurrently performed the peripheral-monitoring task. Moreover, we found that performance of the secondary task led to an impaired ability to ignore neutral distractors. Subjective ratings of target vividness mirrored the behavioral accuracy, with frequent reports of intermediate levels of vividness suggesting that the EAB might impair target visibility in a graded manner. Our results demonstrate that the EAB is robust to manipulations of top-down attention, suggesting that the temporary capture of attention by emotionally salient stimuli involves processes that are distinct from those that produce the attentional blink. 相似文献
95.
This study examined the work experiences of men, a traditional workplace majority, as minority members of a female-dominated occupation. We used tokenism and social categorization theories to propose and test a set of hypotheses that link token status (a less than 15% minority) with male flight attendants' work attitudes through intervening psychological and job factors. Survey data from a sample of 236 male and female flight attendants supported a model in which a negative relationship between token status and the work attitudes of job satisfaction and organizational attachment was mediated by low self-esteem, increased role ambiguity, and poor job fit. The uncovering of these previously unmeasured intervening variables strengthens theoretical connections between demography and work outcomes and suggests leverage points for improving the work attitudes of individuals in the minority. 相似文献
96.
97.
Resurgence has been shown in human and nonhuman operant behavior, but not in derived relational responses. The present study examined this issue. Twenty-three undergraduates were trained to make conditional discriminations in a three-choice matching-to-sample paradigm. The training resulted in three equivalence classes, each consisting of four arbitrarily configured visual stimuli. The same 12 stimuli were then reorganized, and the conditional discrimination training was repeated such that three new classes were possible. In a subsequent test of derived relations, most subjects showed response patterns that were consistent with the altered conditional discriminations. Subjects were then exposed to conditional discrimination trials under extinction. Most subjects continued to respond consistently with the most recently reinforced conditional discrimination trials. During the next phase, subjects were exposed to symmetry and equivalence trials. Responses consistent with the most recent training produced feedback saying that the responses were incorrect, whereas other responses produced no feedback. Most subjects showed a resurgence of responding that was consistent with their earlier training. Finally, subjects were exposed to conditional discrimination trials carried out in extinction. Most subjects continued to show a resurgence of responding that was consistent with their early training. 相似文献
98.
Hayes LJ 《Journal of the experimental analysis of behavior》1996,65(1):282-283
99.
The lateralization of motor speech function to the left hemisphere is supported by multiple lines of evidence, but relatively little is known about the anatomical basis of that specialization. In a preliminary study, we recently reported that area 45 of the left hemisphere (Broca′s area) contained a subpopulation of magnopyramidal neurons which were significantly larger than any seen in the homotopic region of the right hemisphere (Hayes and Lewis, 1993a). In the present study we examined a larger sample of cases in order to determine how consistently this difference is present in the population, if it is specific to Broca′s area or is a general feature of cortical regions mediating lateralized functions, and whether the subpopulation of large magnopyramidal neurons in left area 45 can be distinguished by their chemical phenotype. In Nissl-stained sections from 19 human brains, the mean (±SD) cross-sectional area of the largest layer III pyramidal neurons in area 45 was significantly (p < .0001) greater in the left hemisphere (522.1 ± 128.3 μm2) than in the right (454.1 ± 121.5 μm2). This interhemispheric difference appeared to be a unique characteristic of the largest neurons, since the mean size of all layer III pyramids in this area was not significantly different in the left (206.2 ± 93.5 μm2) and right (213.3 ± 103.9 μm2) hemispheres. In contrast to area 45, there was no interhemispheric difference in the mean cross-sectional area of the largest layer III pyramids in another lateralized region, primary motor cortex. in addition, in area 46, a region of prefrontal association cortex not known to be functionally lateralized, the mean somal size of the largest layer III pyramidal neurons was significantly (p < .001) smaller in the left hemisphere (402.4 ± 84.9 μm2) than in the right (437.8 ± 88.3 μm2). Finally, although the large layer III pyramids in area 45 were immunoreactive for nonphosphorylated neurofilament protein in both hemispheres, the mean cross-sectional area of the largest labeled neurons was significantly larger (p < .002) in the left hemisphere (525.2 ± 149.0 μm2) than in the right (490.3 ± 154.1 μm2). These findings demonstrate that layer III of Broca′s area contains a distinctive subpopulation of neurons that may play an important role in the specific functional architecture of this region. 相似文献
100.
Hayes LJ Hayes SC Ghezzi PM Bijou SW Williams WL Follette WC 《The Behavior analyst / MABA》1995,18(2):331-339
The development of the Behavior Analysis Program at the University of Nevada through self-capitalization is described. With this model, both doctoral and master's degree programs were established at almost no cost to the university. Some of the problems encountered along the way, including gaining support for the original proposal, attracting and retaining high-quality faculty, engendering support from the Department of Psychology and the university, developing resources, and balancing academic with entrepreneurial demands are discussed, as are the solutions we have found for those problems. 相似文献