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121.
This meta‐analysis provides a quantitative synthesis of paraverbal indicators of deception as a function of different moderator variables. Of nine different speech behaviours analysed only two were reliably associated with deception in the weighted, and four in the analysis unweighted by sample size. Pitch, response latency and speech errors were positively, message duration negatively related to deception. As most effect sizes were found to be heterogeneous, analyses of moderator variables revealed that many of the observed relationships varied as a function of content, preparation, motivation, sanctioning of the lie, experimental design and operationalization. Of different theoretical approaches reviewed, a working memory model of lie production may best account for the findings. Because of the small effect sizes, and the heterogeneity in findings, practitioners must be cautioned to use such indicators in assessing the truthfulness of reports but nonetheless practical implications for different types of situations are outlined. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
122.
Timothy D. Ludwig Timothy W. Gray Allison Rowell 《Journal of applied behavior analysis》1998,31(4):683-686
We placed recycling receptacles in two locations in academic buildings and studied recycling behavior within an ABA multiple baseline design. During baseline, recycling receptacles were placed in a central location. During the intervention, receptacles were moved into classrooms where beverages were primarily consumed. Baseline conditions were then reinstated. The percentage of cans recycled daily increased during intervention and returned to near-baseline levels during withdrawal. The percentage of cans discarded daily in the trash decreased during the intervention and increased to near-baseline levels during withdrawal. Implications of this study include making recycling more convenient in institutional settings. 相似文献
123.
124.
Eddy KT Tanofsky-Kraff M Thompson-Brenner H Herzog DB Brown TA Ludwig DS 《Behaviour research and therapy》2007,45(10):2360-2371
Preliminary research suggests that pediatric overweight is associated with increased eating disorder pathology, however, little is known about which overweight youth are most vulnerable to eating disorder pathology. We therefore investigated 122 overweight treatment-seeking youth to describe eating disorder pathology and mental health correlates, and to identify psychopathological constructs that may place overweight youth at increased risk for eating disorder pathology. Youth participated in a comprehensive assessment of eating disorders, mood and anxiety disorders, general psychopathology, and risk variables involving semi-structured clinical interviews and self- and parent-report questionnaires prior to the initiation of weight-loss treatment. Ten youth met criteria for an eating disorder, and over one-third endorsed recent binge eating. Eating disorder pathology was associated with depressive and anxious symptoms (p's<0.001). Structural equation modeling indicated increased negative affect, teasing experience, and thin-ideal internalization, and decreased perfectionism were associated with increased eating disorder pathology. Findings corroborate earlier work indicating that eating disorder pathology is elevated and clinically significant in overweight treatment-seeking youth, bolstering the need for mental health assessment of such individuals. Cross-sectional modeling proposed key variables that relate to eating disorder pathology in overweight treatment-seeking youth, which following prospective replication, may inform the development of effective interventions for overweight and eating disorders. 相似文献
125.
Temporal integration of monocular images separated in time: stereopsis, stereoacuity, and binocular luster 总被引:1,自引:0,他引:1
We evaluated stereopsis and binocular luster using electronically controlled shutter glasses with alternating monocular stimulation. In Experiment 1, we used the standard method for testing stereoacuity to obtain a gradual measure of stereopsis. Stereo thresholds decreased with increasing alternating frequency of two monocular half-images without a delay between them. Increasing delays led to increasing thresholds. In Experiment 2, we compared stereopsis resulting from two monocular half-images of a random-dot stereogram and binocular luster with respect to the minimum alternating frequency of the two half-images and the maximum interocular delay that were tolerated without a breakdown of the impression. Below 3 Hz, no stereopsis occurred. Binocular luster was observed only above 10 Hz. The mean threshold of interocular delay for detecting the global figure in a random-dot stereogram was about 51 msec, but for binocular luster it was about 20 msec. Overall, temporal integration was better for stereopsis than for binocular luster. 相似文献
126.
127.
Kirk Ludwig 《Australasian journal of philosophy》2017,95(4):800-806
This paper replies to Himmelreich's ‘The Paraphrase Argument Against Collective Actions’ [2017], which presents three putative counterexamples to the multiple agents analysis of plural action sentences. The paper shows that the argument from the first example, the discursive dilemma, fails because it relies crucially on a simplification of the target analysis, and that the others don't bear on the question because they turn out on examination to be about individual rather than group action sentences. 相似文献
128.
In a recent study, Ludwig and Gilchrist (2002) showed that stimulus-driven oculomotor capture by abrupt onset distractors was modulated by distractor-target similarity: Participants were more likely to fixate an irrelevant onset when it shared the target color. Here we test whether this pattern of performance is the result of (1) inhibition of all items in the distractor color, (2) a response bias to local color discontinuities, or (3) the integration of stimulus-driven abrupt onset signals with goal-driven information about the target features. The results of two experiments clearly support the third explanation. We conclude that oculomotor capture is modulated by, but not contingent upon, top-down control, and our findings argue for an integrative view of the saccadic system. 相似文献
129.
Three experiments were carried out to investigate whether amodal completion in pigeons can be facilitated by the use of colour photographs instead of highly artificial stimuli such as geometrical shapes. Ten pigeons were trained in a go/no-go procedure to discriminate between photographs of complete and of incomplete pigeon figures. In the subsequent test, the birds classified pictures of partly occluded pigeons as though they were complete (experiment 1). However, we found evidence that classification was based on spurious stimulus features that paralleled the intended class rule of figural completeness versus incompleteness. In particular, classification was shown to be guided by white background gaps that separated the parts of the fragmented pigeon figures (experiment 2), as well as by cues related to overall Gestalt (experiment 3). In summary, the present results indicate that the use of more natural stimuli such as photographs instead of geometrical shapes is insufficient for providing amodal completion in pigeons. It is suggested that a combination of various cues, including, eg, 3-D information and common motion in addition to surface and contour properties, may be required to induce a perceptual bias favouring visual completion of occluded portions. 相似文献
130.
The aim of this study was to investigate whether language-specific properties influence mental number processing. German Sign
Language (DGS) numbers differ from those in spoken German not only in terms of modality but also in their basic language structure.
A group of 20 congenitally deaf German signers participated in a number parity (odd/even) judgment task with DGS and printed
German number words. The results indicated that two-handed DGS number signs are processed in a decomposed way. This language-specific
effect also generalized to another linguistic number notation, German number words, but not to Arabic digit notation. These
differences are discussed with respect to two possible routes to number parity. 相似文献