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71.
Mixture analysis of count data has become increasingly popular among researchers of substance use, behavioral analysis, and program evaluation. However, this increase in popularity seems to have occurred along with adoption of some conventions in model specification based on arbitrary heuristics that may impact the validity of results. Findings from a systematic review of recent drug and alcohol publications suggested count variables are often dichotomized or misspecified as continuous normal indicators in mixture analysis. Prior research suggests that misspecifying skewed distributions of continuous indicators in mixture analysis introduces bias, though the consequences of this practice when applied to count indicators has not been studied. The present work describes results from a simulation study examining bias in mixture recovery when count indicators are dichotomized (median split; presence vs. absence), ordinalized, or the distribution is misspecified (continuous normal; incorrect count distribution). All distributional misspecifications and methods of categorizing resulted in greater bias in parameter estimates and recovery of class membership relative to specifying the true distribution, though dichotomization appeared to improve class enumeration accuracy relative to all other specifications. Overall, results demonstrate the importance of accurately modeling count indicators in mixture analysis, as misspecification and categorizing data can distort study outcomes. 相似文献
72.
Jonathan Marks 《Zygon》2019,54(1):246-251
Ideas about biology, race, and theology were bound up together in nineteenth‐century scholarship, although they are rarely, if ever, considered together today. Nevertheless, the new genealogical way of thinking about the history of life arose alongside a new way of thinking about the Bible, and a new way of thinking about people. They connected with one another in subtle ways, and modern scholarly boundaries do not map well on to nineteenth‐century scholarship. 相似文献
73.
Leonidas Castro-Camacho Julián David Moreno Iona Naismith 《Cognitive and behavioral practice》2019,26(2):366-380
The delivery of a contextually adapted version of the Unified Protocol for transdiagnostic treatment of emotional disorders is illustrated through a case study of an internally displaced female victim of armed conflict in Colombia. A detailed account of how her history of continuous traumatic events and her forced displacement resulted in multiple emotional disorders and behaviors which hindered her ability to react to daily stressors illustrates the particular conditions of individuals exposed to extreme violence. Emphasis is placed on how her culture and context required adaptations of evidence-based interventions. The contextually adapted UP (CXA-UP) is described in “slow-motion,” through a session-by-session account of the procedure along with the specific changes in each module. Outcome measures showed four positive diagnoses at pretreatment, but none at posttreatment, 3-month, or 2-year follow-up. Implications for global applications with individuals in similar contexts and for widening access to such interventions are discussed. 相似文献
74.
The role and importance of reflective practice have been thoroughly documented and its benefits are well established. When coupled with research in a higher education context, a similar importance for reflection can be extended to professional development, leadership, and work-based learning. However, the relation of reflective practice to work-based research, specifically when defined as an element of methodology in higher degree research awards, has yet to be fully examined. In this paper, we explore the basic principles of reflective practice as they relate to work-based learning and highlight the interfaces or ‘bridges’ between reflective cycles, showing their centrality to work-based research. As an example of how these principles might be applied, we also introduce the role of each micro- and macro-reflective cycle in the Professional Studies program at University of Southern Queensland, a relatively new academic approach which utilises both work-based learning and work-based research. 相似文献
75.
Terry D. Shoemaker 《Teaching Theology & Religion》2019,22(4):280-290
This article describes a pedagogical response to teaching world religions courses in a post‐truth age. The course assignment and its application, utilized in both online and in‐person formats, bridge student academic pursuits with religious traditions, require students to engage with source‐based journalism, and extend beyond the classroom into many of the contemporary politics encroaching upon the humanities fields. Related to the first, the objective of the assignment is for students to discover that religiosity permeates multiple sectors, both private and public, corresponding with student career paths. As a result, students discover that religion is relevant to their academic pursuits and that they must consider the possibilities of how religion might integrate with their career choices. Regarding the second objective, the assignment develops student digital media literacy skills as a form of civic education that challenges the current political attacks on journalism and factuality. Last, this exercise acknowledges the realities facing many humanities programs across the country and offers this assignment as a way of engaging with those issues within the classroom. See as well, published in this issue of the journal, three short companion essays by Sarah L. Schwarz, Jonathan R. Herman, and Harshita Mruthinti Kamath, each of which analyzes this pedagogical strategy for their particular teaching contexts. 相似文献
76.
Lynn Germeys Sara De Gieter 《European Journal of Work and Organizational Psychology》2017,26(3):457-467
This study investigates the daily relationship between experiencing home–work conflict (HWC) and an employee’s performance of counterproductive work behaviour (CWB) directed towards the individual (CWBI) and CWB directed towards the organization (CWBO). Moreover, we examine whether these relationships are buffered by family supportive supervisor behaviour. Finally, we investigate whether CWBs directed towards the individual and the organization are related to feelings of work–home conflict (WHC). We examined the daily diary data using multilevel path analyses. We found support for a significant positive relation between HWC and same as well as next-day CWB enacted towards the individual, and same-day CWB directed towards the organization. General levels of family supportive supervisor behaviour buffered an employee’s daily relationship between experiencing HWC and enacting counterproductive work behaviour towards the individual, and are directly and negatively related with enacting CWB towards the individual and the organization. Furthermore, daily CWB enacted towards the individual was significantly positive, whereas CWB enacted towards the organization was significantly negatively related to WHC. Future research would benefit from examining buffering effects on the resource-depleting relationship between counterproductive work behaviour enacted towards the individual and WHC. 相似文献
77.
Sarah-Jane Cullinane Janine Bosak Patrick C. Flood Evangelia Demerouti 《European Journal of Work and Organizational Psychology》2017,26(4):541-554
The quality of working life under the production system known as lean manufacturing (LM) is a heavily debated topic. Little is known about the engagement level of employees under this system. Our study is concerned with how employees in this context craft their jobs to enhance their own engagement, and we specifically consider how daily skill utilization triggers this process. Using a cross-level perspective, we further consider whether job-level characteristics relevant to the lean context, namely task interdependence and boundary control, restrict or facilitate the effects of daily skill utilization. A daily diary study was conducted over 4 working days with 64 employees in a large company utilizing LM. The results of multilevel structural equation modelling demonstrated that on a given day, skill utilization was associated with seeking resources, and this relationship was stronger when employees had high boundary control and low task interdependence in their general job roles. Results further demonstrated that employees experienced higher work engagement on days when they sought resources and challenges. Our findings illustrate the motivational potential of job crafting under LM and how crafting activities can be facilitated by the design of jobs and allocation of daily tasks. 相似文献
78.
Teaching Islam in contemporary America: Digital ethnography and the affective challenges of Islamic studies pedagogy 下载免费PDF全文
In this article we address the affective dimensions and challenges of teaching about Islam and Islamic studies in the current American political and cultural environment and make two related arguments. First, we explain how the impact of certain kinds of digital media in the past few years has heightened the association of Islam with violence in the minds of many Americans, leading to a classroom affective environment characterized by the “posttraumatic” experience of knowledge about Islam. Second, we argue that the pedagogical use of digital media as a tool for ethnographic and empathic engagement with individual Muslim lives can help meet this particular teaching challenge. We show how the pedagogical employment of digital ethnography can turn the affective power of digital media into a positive learning tool, and model its responsible social and intellectual use. 相似文献
79.
80.
Analysis of categorical moderators in mixed‐effects meta‐analysis: Consequences of using pooled versus separate estimates of the residual between‐studies variances 下载免费PDF全文
María Rubio‐Aparicio Julio Sánchez‐Meca José Antonio López‐López Juan Botella Fulgencio Marín‐Martínez 《The British journal of mathematical and statistical psychology》2017,70(3):439-456
Subgroup analyses allow us to examine the influence of a categorical moderator on the effect size in meta‐analysis. We conducted a simulation study using a dichotomous moderator, and compared the impact of pooled versus separate estimates of the residual between‐studies variance on the statistical performance of the Q B (P) and Q B (S) tests for subgroup analyses assuming a mixed‐effects model. Our results suggested that similar performance can be expected as long as there are at least 20 studies and these are approximately balanced across categories. Conversely, when subgroups were unbalanced, the practical consequences of having heterogeneous residual between‐studies variances were more evident, with both tests leading to the wrong statistical conclusion more often than in the conditions with balanced subgroups. A pooled estimate should be preferred for most scenarios, unless the residual between‐studies variances are clearly different and there are enough studies in each category to obtain precise separate estimates. 相似文献