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201.
Henry C. Y. Ho Moses Mui Alice Wan Sunita M. Stewart Carol Yew Tai Hing Lam Sophia S. Chan 《Journal of child and family studies》2017,26(10):2852-2864
Positive psychology interventions commonly involve behavioral exercises to improve psychosocial well-being. Intervention effect on behavior is unclear. The Happy Family Kitchen project, one of the community-based brief intervention projects under The FAMILY: A Jockey Club Initiative for a Harmonious Society, was conducted in Hong Kong to develop and evaluate the effectiveness of a positive psychology family intervention. We have previously reported positive intervention effects on family communication, family well-being, and subjective happiness. This paper aims to explore the effectiveness of the intervention on behavioral outcomes and their associations with psychosocial well-being. A total of 23 social service units organized and conducted intervention programs for 1419 individuals from 612 families in Hong Kong. Each intervention was developed with emphasis on one of five positive psychology themes: gratitude, flow, happiness, health, and savoring. Intervention outcomes were assessed at pre-intervention, immediate post-intervention, and 6 weeks and 12 weeks post-intervention. Results showed that family communication time and frequency of meal preparation with family members increased with sustainable small effects up to 12 weeks. Theme-specific behavior change was observed in the gratitude, flow, and happiness interventions, respectively. Family communication time, frequency of eating with family members, and theme-specific behaviors, including gratitude, flow, happiness behavior, health attitude, and health behavior, were positively associated with psychosocial well-being. Qualitative data provided additional evidence of effectiveness with in-depth insights into behavior change. The positive associations between target behaviors and well-being suggest that improvements in well-being as a function of the intervention may be associated with behavior change. 相似文献
202.
This study investigated whether the better performance of the Chinese in digit memory span tasks was due only to the shorter pronunciation duration of Chinese digit names, or to enhanced visuospatial sketchpad abilities, or to both. Results of the experiment showed that the Chinese outperformed their Malay counterparts in digit memory span tasks because Chinese digit names had shorter pronunciation durations than Malay digit names and not because the Chinese had better visuospatial sketchpad abilities than the Malays. The results thus support Baddeley's phonological loop hypothesis as an account for cross‐linguistic differences in digit memory spans. Because memory traces are subject to decay and the phonological store is temporally limited, the shorter the pronunciation duration of digit names in a language, the more digits one can rehearse within a limited time period, and therefore the larger is one's short‐term digit span in that language. 相似文献
203.
Li JC Chan W Cui Y 《The British journal of mathematical and statistical psychology》2011,64(3):367-387
The standard Pearson correlation coefficient, r, is a biased estimator of the population correlation coefficient, ρ(XY) , when predictor X and criterion Y are indirectly range-restricted by a third variable Z (or S). Two correction algorithms, Thorndike's (1949) Case III, and Schmidt, Oh, and Le's (2006) Case IV, have been proposed to correct for the bias. However, to our knowledge, the two algorithms did not provide a procedure to estimate the associated standard error and confidence intervals. This paper suggests using the bootstrap procedure as an alternative. Two Monte Carlo simulations were conducted to systematically evaluate the empirical performance of the proposed bootstrap procedure. The results indicated that the bootstrap standard error and confidence intervals were generally accurate across simulation conditions (e.g., selection ratio, sample size). The proposed bootstrap procedure can provide a useful alternative for the estimation of the standard error and confidence intervals for the correlation corrected for indirect range restriction. 相似文献
204.
Inhibition of return (IOR) occurs when a target is preceded by an irrelevant stimulus (cue) at the same location: Target detection is slowed, relative to uncued locations. In the present study, we used relatively complex displays to examine the effect of repetition of nonspatial attributes. For both color and shape, attribute repetition produced a robust inhibitory effect that followed a time course similar to that for location-based IOR. However, the effect only occurred when the target shared both the feature (i.e., color or shape) and location with the cue; this constraint implicates a primary role for location. The data are consistent with the idea that the system integrates consecutive stimuli into a single object file when attributes repeat, hindering detection of the second stimulus. The results are also consistent with an interpretation of IOR as a form of habituation, with greater habituation occurring with increasing featural overlap of a repeated stimulus. Critically, both of these interpretations bring the IOR effect within more general approaches to attention and perception, rather than requiring a specialized process with a limited function. In this view, there is no process specifically designed to inhibit return, suggesting that IOR may be the wrong framing of inhibitory repetition effects. Instead, we suggest that repetition of stimulus properties can interfere with the ability to focus attention on the aspects of a complex display that are needed to detect the occurrence of the target stimulus; this is a failure of activation, not an inhibition of processing. 相似文献
205.
206.
Chan W McCrae RR Rogers DL Weimer AA Greenberg DM Terracciano A 《Journal of research in personality》2011,(6):597-603
National income has a pervasive influence on the perception of ingroup stereotypes, with high status and wealthy targets perceived as more competent. In two studies we investigated the degree to which economic wealth of raters related to perceptions of outgroup competence. Raters’ economic wealth predicted trait ratings when (1) raters in 48 other cultures rated Americans’ competence and (2) Mexican Americans rated Anglo Americans’ competence. Rater wealth also predicted ratings of interpersonal warmth on the culture level. In conclusion, raters’ economic wealth, either nationally or individually, is significantly associated with perception of outgroup members, supporting the notion that ingroup conditions or stereotypes function as frames of reference in evaluating outgroup traits. 相似文献
207.
Alan H. S. Chan 《Journal of motor behavior》2017,49(2):185-199
It has been demonstrated in previous work that the same neural structures are used for both imagined and real movements. To provide a strong test of the similarity of imagined and actual movement times, 4 simple movement tasks were used to determine the relationship between estimated task time and actual movement time. The tasks were single-component visually controlled movements, 2-component visually controlled, low index of difficulty (ID) moves and pin-to-hole transfer movements. For each task there was good correspondence between the mean estimated times and actual movement times. In all cases, the same factors determined the actual and estimated movement times: the amplitudes of movement and the IDs of the component movements, however the contribution of each of these variables differed for the imagined and real tasks. Generally, the standard deviations of the estimated times were linearly related to the estimated time values. Overall, the data provide strong evidence for the same neural structures being used for both imagined and actual movements. 相似文献
208.
Consonant with the family stress model, in this study family economic disadvantage, concomitant with cumulative family stressors, concurrently contributed to poor family functioning of 504 Chinese families in an impoverished neighborhood in Hong Kong, in which the latter factor appeared to be more pronounced. Implications were briefly discussed. 相似文献
209.
Embodied theories of language propose that word meaning is inextricably tied to—grounded in—mental representations of perceptual,
motor, and affective experiences of the world. The four experiments described in this article demonstrate that accessing the
meanings of action verbs like smile, punch, and kick requires language understanders to activate modality-specific cognitive
representations responsible for performing and perceiving those same actions. The main task used is a word-image matching
task, where participants see an action verb and an image depicting an action. Their task is to decide as quickly as possible
whether the verb and the image depict the same action. Of critical interest is participants’ behavior when the verb and image
do not match, in which case the two actions can use the same effector or different effectors. In Experiment 1, we found that
participants took significantly longer to reject a verb-image pair when the actions depicted by the image and denoted by the
verb used the same effector than when they used different effectors. Experiment 2 yielded the same result when the order of
presentation was reversed, replicating the effect in Cantonese. Experiment 3 replicated the effect in English with a verb-verb
near-synonym task, and in Experiment 4, we once again replicated the effect with learners of English as a second language.
This robust interference effect, whereby a shared effector slows discrimination, shows that language understanders activate
effector-specific neurocognitive representations during both picture perception and action word understanding. 相似文献
210.
缺血后处理(ischemic postconditioning,IPost)是在心肌缺血后持续再灌注前给予多次短暂的再灌注/缺血处理的处理方法,对心肌缺血/再灌注损伤有着重要的保护作用.其心肌保护的具体机制十分复杂,尚未完全阐明.生存活化因子增强(survivor activating factor enhancement,SAFE)途径是IPost中新近发现的保护通路,阐明其在IPost心肌保护中的作用,将为寻找新的药物治疗靶点提供新思路. 相似文献