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241.
Interval and ratio scale values were derived from measures of variability in the discrimination of loudness similarity. The interval values are linearly related to interval values based on equisection judgments (Garner, 1954), cumulating jnds (Riesz, 1933), and the dispersion of absolute judgments (Gamer, 1952). Scale values based on three diverse discriminability procedures and on the method of equisection are thus in good agreement. The ratio lvalues, however, are at variance with ratio values determined by direct ratio estimations (Stevens, 1955). 相似文献
242.
This meta-analytic review summarizes obesity prevention programs and their effects and investigates participant, intervention, delivery, and design features associated with larger effects. A literature search identified 64 prevention programs seeking to produce weight gain prevention effects, of which 21% produced significant prevention effects that were typically pre- to post effects. Larger effects emerged for programs that targeted children and adolescents (vs. preadolescents) and females, programs that were relatively brief, programs that solely targeted weight control versus other health behaviors (e.g., smoking), programs evaluated in pilot trials, and programs wherein participants must have self-selected into the intervention. Other factors, including mandated improvements in diet and exercise, sedentary behavior reduction, delivery by trained interventionists, and parental involvement, were not associated with significantly larger effects. 相似文献
243.
In this study, the authors investigated the effect of an individual's political skill on the relationships between 5 different impression management tactics (intimidation, exemplification, ingratiation, self-promotion, and supplication) and supervisor evaluations of performance. To test these relationships, the authors used a matched sample of 173 supervisor-subordinate dyads who worked full time in a state agency. Findings showed that individuals who used high levels of any of the tactics and who were politically skilled achieved more desirable supervisor ratings than did those who used the tactics but were not politically skilled. Opposite results were found when impression management usage was low. That is, individuals who were not politically skilled created a more desirable image in their supervisors' eyes than did their politically skilled counterparts when they did not use these tactics. Practical and research implications for the findings as well as directions for future research are offered. 相似文献
244.
Background
Mental health problems such as depression and anxiety are common in Multiple Sclerosis (MS) and are often under treated.Aims
This paper reports on the clinical effectiveness of a cognitive behaviour therapy service for common mental disorders in people with MS and compares it to previous randomised controlled trials (RCTs) of cognitive behaviour therapy (CBT) in this population.Methods
49 patients were deemed appropriate for CBT and 29 accepted treatment. Assessments were completed at baseline and end of treatment and included the Hospital Anxiety & Depression Scale. Results in the form of a standardized effect of treatment were compared with five previous RCTs.Results
The results from this clinical service indicated statistically significant outcomes with reductions in depression and anxiety. The uncontrolled effect size was large but inferior to those found in published RCTs.Conclusions
Cognitive behaviour therapy is effective for people with MS in routine clinical practice. Possible limits on effectiveness include more liberal patient selection, lack of specificity in rating scales and heterogeneity of target problems. Given the high rates of distress in this population, routine psychological interventions within neurology services are justifiable. Future research should aim to maximise CBT in such settings. 相似文献245.
Bindl UK Parker SK Totterdell P Hagger-Johnson G 《The Journal of applied psychology》2012,97(1):134-150
The authors consider how multiple dimensions of affect relate to individual proactivity. They conceptualized proactivity within a goal-regulatory framework that encompasses 4 elements: envisioning, planning, enacting, and reflecting. In a study of call center agents (N = 225), evidence supported the distinctiveness of the 4 elements of proactive goal regulation. Findings further indicated that high-activated positive mood was positively associated with all elements of proactive goal regulation, and low-activated negative mood was positively associated with envisioning proactivity. These findings were further supported in a longitudinal investigation of career-related proactivity amongst medical students (N = 250). The role of affective experience in proactivity is more nuanced than previously assumed. 相似文献
246.
Although the acquisition of a novel word is apparently rapid, adult research suggests that integration of novel and existing knowledge (measured by engagement in lexical competition) requires sleep‐associated consolidation. We present the first investigation of whether a similar time‐course dissociation characterizes word learning across development. Consistent with previous research but counter to adults, 7–12‐year‐olds showed sleep‐associated consolidation effects in declarative but not procedural memory. Nevertheless, the relationship between sleep and word learning in children was remarkably similar to the pattern for adults. Following exposure to nonword competitors (e.g. biscal) in the a.m. or p.m., children’s ability to recognize and recall the nonwords improved only after sleep (after approximately 12‐hrs for the p.m. group and 24‐hrs for the a.m. group), with performance stable 1 week later. Novel nonwords only induced lexical competition effects after sleep. These findings suggest that children utilize a dual memory system when acquiring and integrating new vocabulary and highlight sleep as integral to this process. A video abstract of this article can be viewed at http://www.youtube.com/watch?v=8mm8SDUXw_0&feature=plcp . 相似文献
247.
Adults apply ownership not only to objects but also to ideas. But do people come to apply principles of ownership to ideas because of being taught about intellectual property and copyrights? Here, we investigate whether children apply rules from physical property ownership to ideas. Studies 1a and 1b show that children (6–8 years old) determine ownership of both objects and ideas based on who first establishes possession of the object or idea. Study 2 shows that children use another principle of object ownership, control of permission—an ability to restrict others’ access to the entity in question—to determine idea ownership. In Study 3 , we replicate these findings with different idea types. In Study 4 , we determine that children will not apply ownership to every entity, demonstrating that they do not apply ownership to a common word. Taken together, these results suggest that, like adults, children as young as 6 years old apply rules from ownership not only to objects but to ideas as well. 相似文献
248.
Hoarding is characterized by emotionally reinforced saving behaviors, which often combine with excessive acquisition to give rise to clutter, distress, and impairment. Despite the central role emotional processes are thought to play in hoarding, very little research has directly examined this topic. There is suggestive evidence linking hoarding with several facets of emotional intolerance and avoidance, though one key limitation of this past research has been the exclusive reliance on self-report questionnaires. The aim of the current study was to conduct a multimethod investigation of the relationship between hoarding and perceptions of, and cognitions about, negative emotional states. A large unselected sample of nonclinical young adults (N = 213) completed questionnaires, behavioral tasks, and a series of negative mood inductions to assess distress tolerance (DT), appraisals of negative emotions, and emotional intensity and tolerance. Hoarding symptoms were associated with lowered tolerance of negative emotions, as well as perceiving negative emotions as more threatening. Individuals high in hoarding symptoms also experienced more intense emotions during the mood inductions than individuals low in hoarding symptoms, though there was no association with poorer performance on a behavioral index of DT. Across measures, hoarding was consistently associated with experiencing negative emotions more intensely and reporting lower tolerance of them. This relationship was particularly pronounced for the difficulty discarding and acquiring facets of hoarding. Our results offer initial support for the important role of emotional processes in the cognitive-behavioral model of hoarding. A better understanding of emotional dysfunction may play a crucial role in developing more effective treatments for hoarding. 相似文献
249.
Infants and adults are well able to match auditory and visual speech, but the cues on which they rely (viz. temporal, phonetic and energetic correspondence in the auditory and visual speech streams) may differ. Here we assessed the relative contribution of the different cues using sine-wave speech (SWS). Adults (N = 52) and infants (N = 34, age ranged in between 5 and 15 months) matched 2 trisyllabic speech sounds (‘kalisu’ and ‘mufapi’), either natural or SWS, with visual speech information. On each trial, adults saw two articulating faces and matched a sound to one of these, while infants were presented the same stimuli in a preferential looking paradigm. Adults’ performance was almost flawless with natural speech, but was significantly less accurate with SWS. In contrast, infants matched the sound to the articulating face equally well for natural speech and SWS. These results suggest that infants rely to a lesser extent on phonetic cues than adults do to match audio to visual speech. This is in line with the notion that the ability to extract phonetic information from the visual signal increases during development, and suggests that phonetic knowledge might not be the basis for early audiovisual correspondence detection in speech. 相似文献
250.
Allan Shaw 《British Journal of Guidance & Counselling》2014,42(3):297-308
Other than through personal reflection and anecdotal evidence, I have had little opportunity to explore the influence of my visual impairment upon my therapeutic relationships. In order to address this, I conducted three research conversations with former clients (participants), each of whom had expressed an interest in participating in the research. Potential participants also had to meet the inclusion criteria for the research and provide informed consent prior to their participation. Research conversations were conducted between March and July 2009 and were analysed qualitatively, using a method informed by Moustakas's heuristic inquiry. Participants demonstrated idiosyncratic responses to my visual impairment; their perception of their responses to my visual impairment sometimes differed from mine. Feelings identified included uncertainty, disappointment and relief. My visual impairment appeared to influence the therapeutic relationship in a variety of ways, including resonance with the inner world significance of disability to the participant and interaction with my personal process. While not the therapeutic agent, my visual impairment had the potential to act as a catalyst in therapeutic change. The potential for me to either under-estimate or over-estimate the significance of my visual impairment highlights the need for continued self-awareness and the maintenance of an open and non-defensive attitude. 相似文献