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141.
The impact of age of acquisition (AoA) on object recognition was explored in three experiments measuring visual duration threshold (VDT) for the identification of pictures labelled with early and late acquired names. Participants viewed briefly displayed images preceded and followed by a pattern mask. The minimum display duration required for correct identification was shorter for pictures labelled with early names than for those labelled with late names. In Experiments 2 and 3 we explored the effects of two forms of visual degradation on VDT for pictures with early and late acquired names. Both degradation by superimposed visual elements, and degradation by contrast reduction extended VDT, but only the former interacted with AoA. We conclude that both AoA and degradation by superimposed visual elements affect the efficiency of visual object recognition, but only degradation by contrast and not AoA affects the efficiency of earlier pre-recognition processes. 相似文献
142.
Mandy Chen Charlotte Johnston Lisa Sheeber Craig Leve 《Journal of abnormal child psychology》2009,37(1):119-130
This study examined whether negative parental attributions for adolescent behaviour mediate the association between parental
and adolescent depressive symptoms, and whether this relationship is moderated by adolescent gender. Mothers and fathers and
124 adolescents (76 girls and 48 boys; ages 14 to 18) participated. Adolescents were primarily Caucasian, and varied in the
level of depressive symptoms (with 27% of the sample meeting diagnostic criteria for a current unipolar depressive disorder).
Parents and adolescents completed measures of depressive symptoms, and participated in a videotaped problem-solving discussion.
After the discussion, each parent watched the videotape and, at 20 s intervals, offered attributions for their adolescent’s
behaviour. Adolescent gender moderated the relation between parental attributions and adolescent depressive symptoms, with
stronger associations for female adolescents. For both mothers and fathers, both parental depressive symptoms and negative
attributions about the adolescent’s behaviour made unique contributions to the prediction of depressive symptoms in adolescent
females. There also was evidence that negative attributions partially mediated the link between depressive symptoms in mothers
and adolescent daughters. The results are interpreted as consistent with parenting as a partial mediator between parental
and adolescent depressive symptoms, and suggest that adolescent girls may be particularly sensitive to parents’ negative interpretations
of their behaviour. 相似文献
143.
Kenneth A. Spencer 《Behavior research methods》2009,41(1):220-227
Orthographic transparency metrics for opaque or deep languages, such as French and English, have tended to focus on feedforward
and/or feedback directions, with claims made for the influence of both on reading. In the present study, data for five transparency
metrics for southern British English, three of which are neither feedforward nor feedback, are presented, demonstrating the
complex relationships between the metrics and offering an explanation for feedback effects in children’s reading accuracy.
The structure of such metrics from a variety of corpus sizes and origins is investigated, and it is concluded that large corpus
sizes do not make a substantial contribution to the value of such metrics, when compared with smaller samples, and that adult
and child corpuses have very similar profiles. Probabilities of occurrence for the phonemes, graphemes, and sonographs in
this study may be downloaded from brm.psychonomic-journals.org/content/supplemental. 相似文献
144.
We designed and tested a novel technology that enables us to capture the entire stream of behavior in perseverative reaching tasks. Beyond fitting the criteria of the conventional A-not-B task, the novel technology gives us better access to the core features of perseverative reaching, such as timing, behavior history, and reinforcement. The technology allows us to quantitatively manipulate reinforcement characteristics, to accurately program onsets, delays, and stimulus durations as well as locations and salience of the targets, and to automatically record the number of reaches to each target and compute timing. We did a validation study on this new technology, investigating the influence of a number of novel factors on perseverative reaching. We replicated the A-not-B phenomenon and associated developmental changes. In addition, results demonstrated that the new technology offers insights into infants' behavior beyond the first reaching action. Moreover, data collection is fully automated, yielding precise, quantitative data. Future studies using this technology will capitalize on the salient advantages of this technology to more precisely measure goal-directed actions and understand the development of reaching skill. 相似文献
145.
This article reports a calibration procedure that enables researchers to track movements of the eye while allowing relatively
unrestricted head and/or body movement. The eye—head calibration algorithm calculates fixation point based on eye-position
data acquired by a head-mounted eyetracker and corresponding head-position data acquired by a 3-D motion-tracking system.
In a single experiment, we show that this procedure provides robust eye-position estimates while allowing free head movement.
Although several companies offer ready-made systems for this purpose, there is no literature available that makes it possible
for researchers to explore the details of the calibration procedures used by these systems. By making such details available,
we hope to facilitate the development of cost-effective, nonproprietary eyetracking solutions. 相似文献
146.
Colin Johnston 《Synthese》2007,156(2):231-251
It is not immediately clear from Wittgenstein’s Tractatus how to connect his idea there of an object with the logical ontologies
of Frege and Russell. Toward clarification on this matter, this paper compares Russell’s and Wittgenstein’s versions of the
thesis of an atomic fact that it is a complex composition. The claim arrived at is that whilst Russell (at times at least)
has one particular of the elements of a fact – the relation – responsible for the unity of the whole, for Wittgenstein the
unity of a fact is the product of copulative powers inherent in all its elements. All kinds of constituents of Tractarian
facts – all kinds (forms) of object – are, to use Fregean terminology, unsaturated. 相似文献
147.
Three studies examined how people maintain their self-images when they face threat to interpersonal aspects of the self. In Studies 1 and 2, we found evidence that low self-esteem people lower their estimates of their performance when they expect immediate feedback in order to protect themselves from the interpersonal threat inherent in such feedback, and that self-affirmation reduces this tendency among low self-esteem people. In Study 3, we found that when people are self-affirmed they are more likely to engage in upward social comparisons and less likely to engage in downward social comparisons. Together these findings suggest that people can cope with threats to interpersonal aspects of the self by affirming other important aspects of the self. 相似文献
148.
Spencer A. McWilliams 《Counseling and values》2010,55(1):79-100
Constructivist and Buddhist approaches to counseling and psychotherapy share increasing popularity as well as similar epistemological assumptions and understanding of human dysfunction and its amelioration. These approaches can be seen as consistent with postmodern psychology, which is distinguished from a realist or foundationalist view. This article provides an overview of these 2 models and describes some of their implications for psychopathology and psychotherapy, including examples of specific therapeutic approaches drawn from each perspective that might mutually inform practitioners who wish to apply this perspective to a higher view of the human situation. 相似文献
149.
150.