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61.
Larry V. Hedges Elizabeth Tipton Rrita Zejnullahi Karina G. Diaz 《The British journal of mathematical and statistical psychology》2023,76(2):259-282
It is common practice in both randomized and quasi-experiments to adjust for baseline characteristics when estimating the average effect of an intervention. The inclusion of a pre-test, for example, can reduce both the standard error of this estimate and—in non-randomized designs—its bias. At the same time, it is also standard to report the effect of an intervention in standardized effect size units, thereby making it comparable to other interventions and studies. Curiously, the estimation of this effect size, including covariate adjustment, has received little attention. In this article, we provide a framework for defining effect sizes in designs with a pre-test (e.g., difference-in-differences and analysis of covariance) and propose estimators of those effect sizes. The estimators and approximations to their sampling distributions are evaluated using a simulation study and then demonstrated using an example from published data. 相似文献
62.
Allegra X. Campagna Eric D. Desmarais Brian French Joshua J. Underwood Mirjana Majdandžić Roseriet Beijers Carolina de Weerth Eun Gyoung Lee Blanca Huitron Emine Ahmetoglu Oana Benga Katri Raikkonen Kati Heinonen Carmen Gonzalez-Salinas Helena Slobodskaya Elena Kozlova Maria Beatriz Martins Linhares Felipe Lecannelier Sara Casalin Ibrahim Acar Soile Tuovinen Zhengyan Wang Rosario Montirosso Lorenzo Giusti Seong-Yeon Park Sae-Young Han Samuel Putnam Maria A. Gartstein 《Infant and child development》2023,32(5):e2443
Early temperament attributes have been linked to emerging behaviour problems and significant long-term consequences; however, these relations are rarely examined cross-culturally. The present study addresses this gap, employing multilevel modelling to explain within- and between-culture variances with respect to temperament predicting a spectrum of behaviour problems across 14 nations from the Joint Effort Toddler Temperament Consortium (JETTC). A total of 865 children between 17 and 40 months, with approximately equal age distribution across this developmental period and about equivalent representation of genders, were recruited from 14 nations. Greater negative emotionality was associated with more internalizing problems, whereas higher surgency and effortful control predicted fewer internalizing difficulties. Controlling for age and gender, temperament explained significant within- and between-culture variances in internalizing and externalizing problems (at the broad-band and fine-grained levels), as well as sleep problems. For internalizing difficulties, temperament accounted for more between-culture variance. In contrast, for externalizing difficulties, temperament accounted more for how individuals within the same culture differed from their same-culture counterparts. The within-culture findings suggest universal patterns of temperament-problem relations, informing cultural adaptation of interventions; between-culture findings enhance understanding of the implications of the cultural niche for normative behaviour and adjustment. 相似文献
63.
Samantha J. Gregus James T. Craig Juventino Hernandez Rodriguez Freddie A. Pastrana Timothy A. Cavell 《Journal Of Applied School Psychology》2015,31(2):167-197
The authors describe two pilot studies examining the potential benefits of Lunch Buddy (LB) mentoring, a manualized approach to school-based mentoring. LB mentoring takes place during the school lunch period and is designed to promote positive changes in children's peer relationships. In both studies, changes in peer victimization were assessed after one and three semesters of LB mentoring. In the first study, LB mentors were paired with elementary school children (N = 24) identified by child and teacher reports as victimized by peers. Results revealed significant declines in self- and teacher-rated victimization after one and three semesters of mentoring. In the second study, LB mentors were paired with victimized children who also engaged in bullying behavior (N = 23). Results indicated significant declines in self- and teacher-ratings of peer victimization after three semesters of mentoring. In both studies, ratings of perceived harm were low and ratings of satisfaction were high. Discussed are the implications of these findings for future research and for efforts to develop a nonharmful way to help children who are repeatedly victimized. 相似文献
64.
Two studies investigated the effects of manipulating team membership on the evaluation of a football player. We hypothesized that the evaluations of the same football player, Javier “Chicharito” Hernandez, would vary as a function of the categorization process. For study 1, participants were randomly assigned to one of three conditions: Manchester United, Mexican National team or control. Results showed that “Chicharito” obtained better evaluations when his membership to Manchester United was made salient. In study 2, participants were randomly assigned to one of two conditions: Manchester United and Mexican National team condition. We found support for the mediating role of team evaluation on the relationship between team membership and the evaluations of Chicharito. The theoretical and applied implications were discussed. 相似文献
65.
We adopt a social network perspective to investigate the distinct structural patterns (i.e., centralization and density) of procedural justice (PJ) in teams and the antecedent factors that create them. Across 2 longitudinal field studies in which we gathered social network data from 1,008 workers on 138 teams (Study 1) in China and 672 workers on 125 teams (Study 2) in the United States, we found that differentiation in leader–member exchange relationships significantly influenced the centralization and density of PJ within a team by affecting the level of intrateam trust. Specifically, the more differentiated leader treatment team members received, the lower the level of trust within a team, which resulted in more concentrated (high centralization) and fewer (low density) social interactions among members regarding team PJ. Furthermore, differentiated leader treatment of team members was especially damaging to intrateam trust and, in turn, the structural patterns of team PJ when team members were in close proximity and highly sensitive to equity issues. 相似文献
66.
E. Diaz‐Leon 《Ratio》2014,27(1):1-16
A posteriori physicalism is the combination of two appealing views: physicalism (i.e. the view that all facts are either physical or entailed by the physical), and conceptual dualism (i.e. the view that phenomenal truths are not entailed a priori by physical truths). Recently, some philosophers such as Goff (2011), Levine (2007) and Nida‐Rümelin (2007), among others, have suggested that a posteriori physicalism cannot explain how phenomenal concepts can reveal the nature of phenomenal properties. In this paper, I wish to defend a posteriori physicalism from this new and interesting challenge, by arguing that a posteriori physicalists have the resources to explain how phenomenal concepts can reveal at least something of what it would take for the corresponding phenomenal property to be instantiated. 相似文献
67.
Rebecca J. W. Cline Heather Orom Jae Eun Chung Tanis Hernandez 《American journal of community psychology》2014,54(1-2):12-27
Experiencing a disaster has significant negative effects on psychological adjustment. Case study accounts point to two consistent trends in slowly-evolving environmental disasters: (a) patterns of negative social dynamics, and (b) relatively worse psychological outcomes than in natural disasters. Researchers have begun to explicitly postulate that the social consequences of slowly-evolving environmental disasters (e.g., community conflict) have their own effects on victims’ psychological outcomes. This study tested a model of the relationship between those social consequences and psychological adjustment of victims of a slowly-evolving environmental disaster, specifically those whose health has been compromised by the amphibole asbestos disaster in Libby, MT. Results indicate that experiencing greater community conflict about the disaster was associated with greater family conflict about the disaster which, in turn, was associated with greater social constraints on talking with others about their disease, both directly and indirectly through experiencing stigmatization. Experiencing greater social constraints was associated with worse psychological adjustment, both directly and indirectly through failed social support. Findings have implications for understanding pathways by which social responses create negative effects on mental health in slowly-evolving environmental disasters. These pathways suggest points for prevention and response (e.g., social support, stigmatization of victims) for communities experiencing slowly-evolving environmental disasters. 相似文献
68.
Craig J. Bryan PsyD ABPP Ann Marie Hernandez PhD 《Suicide & life-threatening behavior》2013,43(5):562-573
This study examined various functions of social support (i.e., tangible, esteem, belonging, and appraisal) were examined as protective factors for suicidal ideation in a sample of 273 active duty Air Force Security Forces personnel. Generalized linear regression analyses were conducted to determine if various social support functions were differentially associated with the presence and severity of suicidal ideation, both as main effects and as moderators of emotional distress. None of the four social support functions differentiated suicidal from nonsuicidal Airmen, but esteem support (i.e., feeling respected, encouraged, and valued by others) was associated with significantly less severe suicidal ideation (B = ?.074, SE = .025, p = .003). A significant interaction of tangible support (i.e., access to material resources) with emotional distress indicated that emotional distress was associated with more severe suicidal ideation only among Airmen reporting low levels of tangible support (B = .006, SE = .003, p = .018). When considered concurrently, both tangible and self‐esteem functions of social support are differentially associated with decreased suicidal ideation among Airmen, but belonging (i.e., having someone to do things with) and appraisal (i.e., having someone to talk to about problems) functions were not. Findings suggest that different aspects of social support affect suicidal ideation in different ways. 相似文献
69.
Naelys Diaz Humberto Lizardi Lianfen Qian Zhihua Liu 《Journal of aggression, maltreatment & trauma》2013,22(2):175-196
This study examined the relationship among child maltreatment, parental bonding, and a lifetime history of major depressive disorder (MDD) in a sample of 119 Latino students. Forty-five students reported a lifetime history of MDD and 74 reported not having a lifetime history of MDD. The results indicated that emotional abuse and maternal overprotection were significantly associated with having a lifetime history of MDD. The findings support the importance of examining these factors among depressed Latinos. Future research should continue to explore both the role of child maltreatment and parental bonding in relation to a lifetime history of MDD in this population. 相似文献
70.
Mercedes Hernandez MSW Concepción Barrio PhD Ann‐Marie Yamada PhD 《Family process》2013,52(4):697-708
This study examined hope and family burden among Latino families of individuals with schizophrenia. The sample consisted of 54 family members, one family member per outpatient adult recruited from public mental health programs in a diverse urban community. Hierarchical linear regression analyses were used to test the hypothesis that the family member's increased hope for the patient's future would be associated with decreased family burden beyond effects explained by the patient's length of illness and severity of symptoms. Results supported the study hypothesis. Family hope for the patient's future was associated with four of five types of family burden. Findings point to the prominent role of hope as a source of resilience for Latino families dealing with severe mental illness of a loved one. 相似文献