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921.
The potential of online games to become a major global business and the existence of limited related references led to the current study. In this study, Rogers's diffusion of innovation (DOI) theory is applied to investigate the principles for the adoption of online games in Taiwan. The findings suggest that relative advantages and compatibility both have a significant effect on the adoption of online games for purposes of amusement, with the former being more important for early gamers and the latter being regarded as more critical for later gamers. In addition, complexity is found to impede online game diffusion and is regarded as the most important facilitator.  相似文献   
922.
There is growing concern that much published research may have questionable validity due to phenomena such as publication bias and p‐hacking. Within the psychiatric literature, the construct of expressed emotion (EE) is widely assumed to be a reliable predictor of relapse across a range of mental illnesses. EE is an index of the family climate, measuring how critical, hostile, and overinvolved a family member is toward a mentally ill patient. No study to date has examined the evidential value of this body of research as a whole. That is to say, although many studies have shown a link between EE and symptom relapse, the integrity of the literature from which this claim is derived has not been tested. In an effort to confirm the integrity of the literature of EE predicting psychiatric relapse in patients with schizophrenia, we conducted a p‐curve analysis on all known studies examining EE (using the Camberwell Family Interview) to predict psychiatric relapse over a 9‐ to 12‐month follow‐up period. Results suggest that the body of literature on EE is unbiased and has integrity, as there was a significant right skew of p‐values, a nonsignificant left skew of p‐values, and a nonsignificant test of flatness. We conclude that EE is a robust and valuable predictor of symptom relapse in schizophrenia.  相似文献   
923.
Noncontingent reinforcement (NCR) is a commonly used treatment for severe problem behavior displayed by individuals with intellectual and developmental disabilities. The current study sought to extend the literature by reporting outcomes achieved with 27 consecutive applications of NCR as the primary treatment for severe problem behavior. All applications of NCR were included regardless of treatment outcome to minimize selection bias favoring successful cases. Participants ranged in age from 5 to 33 years. We analyzed the results across behavioral function and with regard to the use of functional versus alternative reinforcers. NCR effectively treated problem behavior maintained by social reinforcement in 14 of 15 applications, using either the functional reinforcer or alternative reinforcers. When we implemented NCR to treat problem behavior maintained by automatic reinforcement, we often had to add other treatment components to produce clinically significant effects (five of nine applications). Results provide information on the effectiveness and limitations of NCR as treatment for severe problem behavior.  相似文献   
924.
Previous research has documented altered autonomic nervous system (ANS) reactivity to laboratory-based social stress tasks in children with social anxiety disorder (SAD). It is unclear, however, whether these alterations are caused by the unfamiliar and possibly threatening lab environment or whether they generalize to other, more representative contexts. Sympathetic and parasympathetic autonomic functioning was assessed in the home (minimizing environmental threat) during a supine baseline phase and two physical activation phases (orthostatic stress, stair stepping) in children (9–13 years) with SAD (n?=?27) and healthy control children (n?=?27). Relative to controls, children with SAD showed tonic autonomic hyperarousal as indicated by higher heart rate and electrodermal activity during the supine baseline phase. Further, there was evidence for stronger cardiac and vascular sympathetic reactivity (T-wave amplitude, pulse wave transit time) to moderate physical activation in children with SAD. Higher autonomic arousal during rest was related to measures of trait social anxiety and general psychopathology. Groups did not differ on parasympathetic parameters. Our results extend previous laboratory findings and provide the first evidence for alterations in children with SAD during basal autonomic regulation and in the absence of explicit social evaluative threat. They may further help to clarify conflicting study results from previous laboratory studies. The findings underline the importance of psychophysiological assessment using different environments and tasks to elucidate the physiological bases of SAD.  相似文献   
925.
Underspecification and coercion are two prominent interpretive mechanisms to account for meaning variability beyond compositionality. While there is plentiful evidence that natural language meaning constitution exploits both mechanisms, it is an open issue whether a concrete phenomenon of meaning variability is an instance of underspecification or coercion. This paper argues that this theoretical dispute can be settled experimentally. The test case are standard motion verbs (e.g. walk, ride) in combination with ±telic directional phrases, for which both underspecifaction and coercion analyses have been proposed in the literature. A self-paced reading study which incorporates motion verbs, directional phrases and durative/completive temporal adverbials (1) aims at determining the aspectual value of such verbs, and (2) compares the hypotheses of the Underspecification and Coercion Accounts. The results of the reading time experiment (flanked by a corpus study and a completion study) indicate that motion verbs are aspectually underspecified. They combine with ±telic directional phrases with equal ease. The combination with a mismatching temporal adverbial is an instance of coercion, causing additional processing costs.  相似文献   
926.
927.
The Objectified Body Consciousness Scale (OBCS) is a prominent measure of key constructs in the body image literature. Despite the impact and popularity of the OBCS, however, investigations of its factor structure have been limited. To our knowledge, the present study is the first since the instrument’s development 20 years ago to provide a detailed evaluation of the replicability of the factor structure of OBCS data in a sample of U.S. college women, the population for which the measure was originally developed and is used most frequently. Specifically, we used confirmatory factor analyses to evaluate the structure of OBCS data and identify areas for measure refinement. Internal consistency reliability and convergent validity were also examined. A sample of 368 U.S. college women completed the OBCS along with measures of body esteem and thin-ideal internalization as convergent validity indicators. Findings revealed that OBCS Control Beliefs items were poor indicators of the factor. A two-factor structure composed of Body Surveillance and Body Shame was supported. Support for internal consistency reliability and convergent validity was also garnered. Additionally, abbreviated versions of the Body Surveillance and Body Shame subscales produced good model-data fit without sacrificing reliability or validity. These results support the use of the OBCS Body Surveillance and Body Shame subscales to assess critical aspects of body image in research and practice contexts; the abbreviated versions of these subscales can address demands for brevity in these contexts.  相似文献   
928.
929.
Although evidence suggests deployment-related stress impacts parenting, few measures of parenting competency have been validated in returning post-9/11 veterans. As part of clinical care in a multidisciplinary clinic serving veterans and military families, 178 treatment-seeking OEF/OIF/OND veterans completed measures including the 16-item Parenting Sense of Competence Scale (PSOC), a widely-used measure of parental efficacy and satisfaction; the Family Assessment Device—general functioning subscale; and the depression, anxiety, and stress scale. Utilizing data from an IRB-approved de-identified data repository, we examined the psychometrics and factor structure of the PSOC. According to a proposed clinical cut-off, 10?% of our clinical sample of veterans exhibited low self-confidence in parenting. A confirmatory factor analysis of the 2-factor structure introducing correlated error terms between items 3 and 9, and between items 10 and 11, revealed to be a satisfactory fit to the data (Χ 2 /df?=?1.57, RMSEA?=?0.056 [90?% CI 0.039–0.073]; CFI?=?0.928; TLI?=?0.914; SRMR?=?0.055). In addition, the PSOC exhibited good convergent validity with measures of parental distress (r?=??.22, p?<?0.01 with anxiety symptoms, and r?=??.33, p?<?.001 with depressive symptoms) and family functioning (r?=??.53, p?<?.0001), very good temporal stability (r?=?.81, p?<?.0.0001), and excellent internal consistency (α?=?.85). The PSOC exhibited satisfactory psychometric properties in treatment-seeking veterans and may be used by clinicians and researchers to assess parenting sense of competence, including satisfaction and sense of efficacy, in this population.  相似文献   
930.
Working memory (WM) capacity reflects executive functions associated with performance on a wide range of cognitive tasks and education outcomes, including mathematics achievement, and is associated with dorsolateral prefrontal and parietal cortices. Here we asked if family income is associated with variation in the functional brain organization of WM capacity among adolescents, and whether that variation is associated with performance on a statewide test of academic achievement in mathematics. Participants were classified into higher‐income and lower‐income groups based on family income, and performed a WM task with a parametric manipulation of WM load (N‐back task) during functional magnetic resonance imaging (fMRI). Behaviorally, the higher‐income group had greater WM capacity and higher mathematics achievement scores. Neurally, the higher‐income group showed greater activation as a function of WM load in bilateral prefrontal, parietal, and other regions, although the lower‐income group exhibited greater activation at the lowest load. Both groups exhibited positive correlations between parietal activations and mathematics achievement scores, but only the higher‐income group exhibited a positive correlation between prefrontal activations and mathematics scores. Most of these findings were maintained when higher‐ and lower‐income groups were matched on WM task performance or nonverbal IQ. Findings indicate that the functional neural architecture of WM varies with family income and is associated with education measures of mathematics achievement.  相似文献   
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