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901.
The Preschool Imitation and Praxis Scale (PIPS) was developed to measure bodily and procedural imitation aptitude in young children. However, the investigation of procedural imitation is more complex than that of bodily imitation. The procedural imitation tasks of the PIPS mainly consisted of unusual acts upon objects (for example, switching on a lamp in a toy animal with the forehead). This study assessed the suitability of these tasks by ruling out nonimitative learning in 15 typically developing children between 12 and 55 mo. of age (6 girls, 9 boys). Results indicated that the tasks seem novel and unlikely to be performed spontaneously by the children. In addition, the number of target acts performed by the children in the imitation condition was significantly higher than in the baseline, investigator-manipulation, and imitation-enhancement nonimitative control conditions. Finally, the tasks elicited more frequently imitative behaviour than end-state emulation. Therefore, the tasks appear appropriate to measure procedural imitation, and the findings support the theoretical validity of the PIPS. 相似文献
902.
903.
Peter F. Halpin Conor V. Dolan Raoul P. P. P. Grasman Paul De Boeck 《Psychometrika》2011,76(4):564-583
The relationship between linear factor models and latent profile models is addressed within the context of maximum likelihood
estimation based on the joint distribution of the manifest variables. Although the two models are well known to imply equivalent
covariance decompositions, in general they do not yield equivalent estimates of the unconditional covariances. In particular,
a 2-class latent profile model with Gaussian components underestimates the observed covariances but not the variances, when
the data are consistent with a unidimensional Gaussian factor model. In explanation of this phenomenon we provide some results
relating the unconditional covariances to the goodness of fit of the latent profile model, and to its excess multivariate
kurtosis. The analysis also leads to some useful parameter restrictions related to symmetry. 相似文献
904.
Livesey EJ Thorwart A De Fina NL Harris JA 《Journal of experimental psychology. Animal behavior processes》2011,37(4):446-465
In four human learning experiments, we examined the extent to which learned predictiveness depends upon direct comparison between relatively good and poor predictors. Participants initially solved (a) linear compound discriminations in which one or both of the stimuli in each compound were predictive of the correct outcome, (b) biconditional discriminations where only the configurations of the stimuli were predictive of the correct outcome, or (c) pseudodiscriminations in which no stimulus features were predictive. In each experiment, subsequent learning and test stages were used to assay changes in the associability of each stimulus brought about by its role in the initial discriminations. Although learned predictiveness effects were observed in all experiments (i.e., previously predictive cues were more readily associated with a new outcome than previously nonpredictive cues), the same changes in associability were observed regardless of whether the stimulus was initially learned about in the presence of an equally predictive, more predictive, or less predictive stimulus. The results suggest that learned associability is not controlled by competitive allocation of attention, but rather by the absolute predictiveness of each individual cue. 相似文献
905.
Former research demonstrated that depression is associated with dysfunctional attentional processing of emotional information. Most studies examined this bias by registration of response latencies. The present study employed an ecologically valid measurement of attentive processing, using eye-movement registration. Dysphoric and non-dysphoric participants viewed slides presenting sad, angry, happy and neutral facial expressions. For each type of expression, three components of visual attention were analysed: the relative fixation frequency, fixation time and glance duration. Attentional biases were also investigated for inverted facial expressions to ensure that they were not related to eye-catching facial features. Results indicated that non-dysphoric individuals were characterised by longer fixating and dwelling on happy faces. Dysphoric individuals demonstrated a longer dwelling on sad and neutral faces. These results were not found for inverted facial expressions. The present findings are in line with the assumption that depression is associated with a prolonged attentional elaboration on negative information. 相似文献
906.
Apraxic agraphia is a writing disorder due to a loss or lack of access to motor engrams that program the movements necessary to produce letters. Clinical and functional neuroimaging studies have demonstrated that the neural network responsible for writing includes the superior parietal region and the dorsolateral and medial premotor cortex. Recent studies of two cases with atypical lesion localisations in the left thalamus and the right cerebellum support the hypothesis that the written language network is larger than previously assumed. The aim of this study is twofold: (1) to provide a survey of cases of apraxic agraphia published between 1973 and June 2010, and (2) to provide further evidence for a role of the cerebellum in writing via three additional cases who presented with apraxic agraphia after ischemic damage in the cerebellum. Functional neuroimaging studies by means of brain perfusion SPECT showed perfusional deficits in the anatomoclinically suspected supratentorial areas, subserving language dynamics, syntax, naming, writing and executive functioning. 相似文献
907.
Valérie De Prycker 《Zygon》2011,46(1):5-25
Abstract. This paper both clarifies and broadens the notion of control and its relation to the self. By discussing instances of skillful absorption from different cultural backgrounds, I argue that the notion of control is not as closely related to self‐consciousness as is often suggested. Experiences of flow and wu‐wei exemplify a nonself‐conscious though personal type of control. The intercultural occurrence of this type of behavioral control demonstrates its robustness, and questions two long‐held intuitions about the relation between self‐consciousness and the experience of control. The first intuition holds that the conscious self initiates and controls actions, thoughts, and feelings. The second is the view that losing this self‐conscious type of control is a negative and upsetting experience. By focusing on “the paradox of control” in these experiences of skillful absorption, I argue that a feeling of control can occur without a self that narratively claims control. Furthermore, this type of control can be a very positive and pleasurable experience. Therefore, the common views of the notion of control are in need of broader conceptualization and further refinement. 相似文献
908.
Shaul Shalvi Jason Dana Michel J.J. Handgraaf Carsten K.W. De Dreu 《Organizational behavior and human decision processes》2011
Employing a die-under-cup paradigm, we study the extent to which people lie when it is transparently clear they cannot be caught. We asked participants to report the outcome of a private die roll and gain money according to their reports. Results suggest that the degree of lying depends on the extent to which self-justifications are available. Specifically, when people are allowed to roll the die three times to ensure its legitimacy, but only the first roll is supposed to “count,” we find evidence that the highest outcome of the three rolls is reported. Eliminating the ability to observe more than one roll reduces lying. Additional results suggest that observing desired counterfactuals, in the form of additional rolls not meant to determine pay, attenuates the degree to which people perceive lies as unethical. People seem to derive value from self-justifications allowing them to lie for money while feeling honest. 相似文献
909.
The efficacy of a tailored, web-based intervention communicating the risks of sexually transmitted infections (STI) for heterosexual young adults was examined in a randomised, controlled trial. The main aims of the relationship-oriented intervention were to influence risk perceptions and to promote (maintenance of) condom use and STI-testing among young adults who reported being recently engaged in a heterosexual relationship. The intervention addressed risk perceptions, attitudes, normative beliefs, self-efficacy and skills related to condom use and STI-testing. Outcomes were compared immediately after the intervention (N = 171) and 3 months later (N = 115) to a non-tailored intervention group and to a control group. Cognitive and behavioural outcomes showed that the tailored intervention was efficacious in influencing perceived susceptibility to STI and STI-testing intentions immediately after the intervention, and in reducing rates of unprotected sex at 3 months. 相似文献
910.
Toon Devloo Frederik Anseel Alain De Beuckelaer 《Journal of business and psychology》2011,26(4):453-465