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101.
This research examined the relative effectiveness of two mood induction procedures (MIPs) for inducing four specific moods
varying along the dimensions of both valence and arousal. Participants were randomly assigned either to an autobiographical
recall or to a music and guided imagery MIP and underwent a happiness, serenity, anger, or sadness mood induction. The findings
confirmed the effectiveness of the two MIPs in producing changes on both the valence and arousal dimensions of mood. The results
also revealed an unexpected greater efficiency of the autobiographical recall than of the combined procedure. 相似文献
102.
Vernon-Feagans L Pancsofar N Willoughby M Odom E Quade A Cox M;The Family Life Key Investigators 《Journal of applied developmental psychology》2008,29(3):213-226
This study investigated the contribution of child characteristics and parenting environment to the relationship between family SES/demographic characteristics and maternal language to infants. 1157 children were drawn from a representative sample of 1292 infants born to mothers in rural Appalachian counties and rural counties in southern minority U.S. communities. Mothers and their 6–8 month old babies were videotaped at home while talking about a wordless picture book. Mothers' language output and complexity were analyzed. Child temperament, age, and parenting environment (knowledge of child development and observed mother–child engagement) were predictors of maternal language. Furthermore, their inclusion reduced the magnitude of the association between demographic characteristics and maternal language. Tests of mediation suggested that the parenting environment partially mediates the relationship between SES/demographic characteristics and maternal language. Findings are discussed with respect to identifying proximal processes that explain how SES may exert its influence on the language of young children. 相似文献
103.
Melissa A Barnett Min Deng W Roger Mills-Koonce Michael Willoughby Martha Cox 《Journal of family psychology》2008,22(4):561-573
This study examined the relations among parenting behaviors of 97 coresident mothers and fathers of infants during a dyadic free-play setting. The authors examined the extent to which observed sensitive and intrusive parenting behaviors in mother-child and father-child dyads were related and how perceived marital quality may be associated with the similarity between maternal and paternal parenting behaviors. The authors found support for interdependence of parenting by mothers and fathers. High perceived marital quality was associated with interdependence of sensitive parenting behaviors in mother-infant and father-infant interactions. Negative parenting behaviors by mothers and fathers were interrelated regardless of marital quality. The findings highlight the importance of studying parenting by mothers and fathers as embedded within particular family systems. 相似文献
104.
In many psychophysical experiments, the participant's task is to detect small changes along a given stimulus dimension or to identify the direction (e.g., upward vs. downward) of such changes. The results of these experiments are traditionally analyzed with a constant-variance Gaussian (CVG) model or a high-threshold (HT) model. Here, the authors demonstrate that for changes along three basic sound dimensions (frequency, intensity, and amplitude-modulation rate), such models cannot account for the observed relationship between detection thresholds and direction-identification thresholds. It is shown that two alternative models can account for this relationship. One of them is based on the idea of sensory quanta; the other assumes that small changes are detected on the basis of Poisson processes with low means. The predictions of these two models are then compared against receiver operating characteristics (ROCs) for the detection of changes in sound intensity. It is concluded that human listeners' perception of small and unidimensional acoustic changes is better described by a discrete-state Poisson model than by the more commonly used CVG model or by the less favored HT and quantum models. 相似文献
105.
Investigating the Impact of Strength-Based Assessment on Youth with Emotional or Behavioral Disorders 总被引:1,自引:0,他引:1
The trend toward adopting a strengths approach to mental health practice with children and adolescents amounts to a paradigm shift from an emphasis on diagnosing disorders to tapping child capacities and assets toward the achievement of treatment goals. While the potential value and challenges associated with this shift has received ample attention in the literature, minimal research has been conducted to assess the benefits and barriers related to the use of strength-based strategies with youth. Utilizing an experimental design, this author examined the impact of strength-based assessment using the Behavioral and Emotional Rating Scale (BERS) with seriously emotionally or behaviorally disturbed children and adolescents. Results revealed that child functioning outcomes were significantly better for youth who received BERS-guided assessment versus the usual deficit-based assessment protocol only when the treating therapist reported an orientation toward service that reflects highly strength-based attitudes and practices. Furthermore, high adherence to the strength-based assessment protocol was associated with significantly higher parent satisfaction with services and lower rates of missed appointments. These findings highlight the importance of accounting for practitioner effects and treatment fidelity in future studies of strength-based practice effectiveness. 相似文献
106.
107.
Coulon M Deputte BL Heyman Y Delatouce L Richard C Baudoin C 《Journal of comparative psychology (Washington, D.C. : 1983)》2007,121(2):198-204
Species discrimination has been described in several taxa but rarely in domestic animals. In contrast to wild species, domestic species present a great phenotypic variety. This study investigated whether 10 Prim'Holstein heifers (Bos taurus) could discriminate images of cows from images of other domestic animals. The experiment was based on simultaneous discrimination. Responses were obtained through instrumental conditioning using a food reward. In Experiment 1, the reward was associated with a cow face and, in the reversal learning task, with faces of other domestic species. The results showed that in both tasks, cows were able to reach the criterion in few sessions. Therefore, despite great phenotypic variety (a cognitive challenge) cows were able to visually discriminate their own species from other domestic species. 相似文献
108.
Maxfield M Pyszczynski T Kluck B Cox CR Greenberg J Solomon S Weise D 《Psychology and aging》2007,22(2):341-353
Two experiments explored age differences in response to reminders of death. Terror management research has shown that death reminders lead to increased adherence to and defense of one's cultural worldview. In Study 1, the effect of mortality salience (MS) on evaluations of moral transgressions made by younger and older adults was compared. Whereas younger adults showed the typical pattern of harsher judgments in response to MS, older adults did not. Study 2 compared younger and older adults' responses to both the typical MS induction and a more subtle death reminder. Whereas younger adults responded to both MS inductions with harsher evaluations, older adults made significantly less harsh evaluations after the subtle MS induction. Explanations for this developmental shift in responses to reminders of death are discussed. 相似文献
109.
Several facets of perfectionism have been strongly associated with depression and anxiety. Dunkley and Blankstein (2000) combined these maladaptive traits with self-criticism to create a general construct labeled self-critical perfectionism. In this study, we employed confirmatory factor analysis to evaluate a model for assessing self-critical perfectionism in a clinically depressed sample using scales from 3 instruments. Participants were 356 depressed adult outpatients who completed 2 multidimensional measures of perfectionism and a measure of self-criticism. A confirmatory factor model that separated a self-critical perfectionism construct from a more adaptive, achievement-striving component of perfectionism was supported. A composite scale assessing self-critical perfectionism demonstrated much larger correlations with distress measures compared to a composite scale assessing achievement striving and also showed evidence of discriminant validity. In this study, we provided further support for the valid assessment of self-critical perfectionism and extended evidence for its assessment to a clinically depressed sample. 相似文献
110.
Christophe Micheyl Josh H. McDermott Andrew J. Oxenham 《Attention, perception & psychophysics》2009,71(1):5-7
Thresholds in various visual and auditory perception tasks have been found to improve markedly with practice at intermediate levels of task difficulty. Recently, however, there have been reports that training with identical stimuli, which, by definition, were impossible to discriminate correctly beyond chance, could induce as much discrimination learning as could training with different stimuli. These surprising findings have been interpreted as evidence that discrimination learning can occur in the absence of perceived differences between stimuli and need not involve the fine-tuning of a discrimination mechanism. Here, we show that these counterintuitive findings of discrimination learning without discrimination can be understood simply by considering the effect of internal noise on sensory representations. Because of such noise, physically identical stimuli are unlikely to be perceived as being strictly identical. We show that, given empirically derived levels of sensory noise, perceived differences evoked by identical stimuli are actually not much smaller than those induced by the physical differences typically used in discrimination-learning experiments. We suggest that findings of discrimination learning with identical stimuli can be explained without implicating any fundamentally new learning mechanism. 相似文献