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621.
622.
The aim of this study was to examine dimensions of body-esteem, Body Mass Index, and their relations with eating disorder symptoms among 42 elite adolescent athletes engaged in competitive synchronized swimming (M = 15.4 yr., SD = 1.2) and to compare them with 40 athletes in sports with no emphasis on leanness (M = 16.5 yr., SD = .93), and 50 nonathlete college female students (M = 16.3 yr., SD = 1.1). They completed the Body-esteem Scale and the Eating Attitudes Test, and the Body Mass Index was computed. Analysis showed synchronized swimmers reported greater negative feelings about their appearance than the two other groups and low perceptions of how others evaluate their physical appearance. Participants did not differ on the EAT-26. Regression analyses showed that Body Mass Index and Body-esteem Appearance accounted for 38% of the variance in log-transformed Dieting scores of synchronized swimmers. Results are discussed in relation to the literature. 相似文献
623.
Poulson CL Kyparissos N Andreatos M Kymissis E Parnes M 《Journal of experimental child psychology》2002,81(3):341-357
Effects of modeling and contingent praise on infant imitation of three different responses was analyzed. Generalization to nonreinforced probe models was assessed both within and across response types. Three 12- to 14-month-old infants and their mothers participated in this study. During baseline the mothers provided models only. During treatment mothers modeled and also praised contingent upon infant matching of the training models. During interspersed probe trials the mothers modeled different responses, which, if matched by the infant, produced no praise. The three responses modeled were motor-with-toy, motor-without-toy, and vocal responses. The dependent measure was the percentage of maternal models that were matched by the infant within 6 s. Nonmatching responses of the same response type were also measured. Results showed a systematic increase in the percentages of training and probe models matched by the three infants following the introduction of the model-and-praise treatment condition. Nonmatching responses did not systematically increase. Thus, imitation generalized within response class, but not across response classes. 相似文献
624.
There is evidence that blocking beta-noradrenergic receptors will cause deficits in some forms of learning. We investigated the effects of systemic injections of 1, 5, and 10 mg/kg doses of propranolol on acquisition of delay eyeblink conditioning in 3-month-old Fischer 344 rats. We presented a 3-kHz, 90-dB tone as a conditioning stimulus and a 6 psi airpuff as our unconditioned stimulus to freely moving rats. We monitored eyelid activity using EMG signals. The treatment subjects were injected with either propranolol or saline 0.5 h prior to daily training sessions. Two groups of control subjects, one receiving injections of saline and one receiving injections of 5 mg/kg propranolol, received daily training sessions with unpaired and randomized presentation of the tone and airpuff. Each daily training session for the treatment groups consisted of 27 paired training trials and 3 conditioned stimulus-alone training trials. Rats injected with saline vehicle or with 1 mg/kg propranolol achieved a 60% or better learned response rate within two training sessions. Rats injected with 5 or 10 mg/kg propranolol never achieved a response rate significantly different from animals that received unpaired, random presentations of the tone and airpuff stimuli. These results agree with prior studies from our lab that have shown a dose-dependent effect of beta-noradrenergic receptor blockade on learning in rabbit eyeblink conditioning as well as in a runway, motor learning paradigm. We believe that the beta-noradrenergic system plays an important role in learning and memory in more than one cerebellar-dependent learning paradigm. 相似文献
625.
Claire Hughes Alexandra L. Cutting Judy Dunn 《Journal of abnormal child psychology》2001,29(5):403-416
Peer problems are almost universal among children with disruptive behavior disorders, and have been linked to social information processing deficits that lead to heightened threat responses (K. A. Dodge, 1980). This 2-year longitudinal study uses direct observations to examine the real-life significance of this finding. Forty hard-to-manage children and 40 typically developing control children were filmed at ages 5 and 7 playing a rigged competitive game in which they experienced a clear threat of losing. Group differences in negative behavior (hard-to-manage > controls) were stable over time and independent of verbal ability. Predictors of individual differences in negative behavior were also examined. Previous studies with this sample have shown that at 4 years of age, the hard-to-manage children displayed elevated frequencies of violent pretend play (J. Dunn & C. Hughes, 2001), coupled with poor performance on tests of executive function and theory of mind (C. Hughes, J. Dunn, & A. White, 1998). In this study, 4-year-olds whose pretend play indicated a preoccupation with violence were more likely to respond negatively to the threat of losing a competitive game at age 5 and at age 7. Four-year-olds who performed poorly on tests of theory of mind and executive function showed higher rates of negative behavior at age 5 but not age 7. These findings highlight just a few of the multiple paths leading to peer problems among children with disruptive behavior problems. 相似文献
626.
Michel Born Daniela Marzana Sara Alfieri Claire Gavray 《The Journal of psychology》2015,149(7):711-736
In this article we propose looking into some factors for Civic Participation and the intention to continue to participate among local (Study I) and immigrant (Study II) young people living in Belgium and Germany. In Study I, 1,079 young people (Mage = 19.23, 44.9% males) completed a self-report questionnaire asking about their Civic Participation. Multiple linear regressions reveal (a) evidence of a pool of variables significantly linked to Civic Participation: Institutional Trust, Collective-Efficacy, Parents’ and Peers’ Support, Political Interest, Motivations and (b) that Civic Participation, along with the mediation of the Participation's Efficacy, explains the Intention to Continue to Participate. An explanatory model was constructed on participation and the Intention to Continue to Participate on behalf of the native youth. This model is invariant between the two countries. In Study II, 276 young Turkish immigrants (Mage = 20.80, 49.3% males) recruited in Belgium and Germany filled out the same questionnaire as in Study I. The same analysis was conducted as for Study I, and they provided the same results as the native group, highlighting the invariance of the model between natives and immigrants. Applicative repercussions are discussed. 相似文献
627.
628.
629.
Sarah J. Schoppe-Sullivan Theresa Settle Jin-Kyung Lee Claire M. Kamp Dush 《Research in human development》2016,13(1):32-48
Guided by research on psychological safety, the authors used longitudinal survey data from a sample of 182 dual-earner male–female couples to examine the role of supportive coparenting in mediating relations between adult attachment orientations and parenting stress/satisfaction and further considered whether parenting self-efficacy moderated relations between supportive coparenting and parenting stress/satisfaction. Path analyses using IBM SPSS AMOS 22 and bootstrapping techniques indicated that fathers’ (but not mothers’) perceptions of supportive coparenting at 3 months postpartum mediated the associations between their attachment anxiety in the third trimester of pregnancy and their parenting stress and satisfaction at 9 months postpartum. Additional tests of moderation revealed that mothers’ perceptions of greater supportive coparenting were associated with lower parenting stress only when their parenting self-efficacy was low, but fathers’ perceptions of greater supportive coparenting were associated with greater parenting satisfaction only when their parenting self-efficacy was high. Implications and limitations are discussed. 相似文献
630.
It is unclear whether positive emotionality in general, or some specific positive emotions (e.g. other-oriented ones), but not others (e.g. self-oriented and, possibly, stimulus-oriented ones), enhance prosocial thoughts, dispositions, and behavior. We focus here on awe and argue that, although being primarily stimulus-oriented and not necessarily social in its very nature, awe should enhance prosociality for several theoretical reasons. In replicating and extending previous initial research, we found in two online experiments that the induction of awe (video clip or recall), compared to the induction of amusement or a neutral condition, leads to increased prosocial behavioral intentions of generosity (spontaneous sharing of hypothetical gains) and help of a person in need – in hypothetical everyday life situations. Awe’s effect on prosociality was independent from participants’ religiosity (in both experiments) but seemed to be clearer for those in need of such affective stimulation, i.e. less agreeable participants (Experiment 2). 相似文献