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1.
Although a significant amount of research has focused on traditional media choice and use, and even on some ‘new’ media, these studies have either neglected the Internet and World Wide Web or were conducted prior to their recent popularity. This study offers a novel exploration of individuals' use of three Internet functions (information retrieval, information giving, and conversation capabilities) in the context of the use of other communication media. Data from 684 individuals demonstrate that the Internet is a multidimensional technology used in a manner similar to other, more traditional media. Specifically, conversation features of the Internet align with mediated interpersonal technologies (the telephone and electronic mail), whereas the Internet's information‐retrieval and information‐giving features are used in ways similar to mass media channels (newspapers, television, and books and magazines). In addition, needs fulfilled by these channels cluster in ways consistent with past research, regardless of the technologies employed to meet them.  相似文献   
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Public goods theories highlight an incentive system that rewards ‘free riding’ on the contributions of early contributors toward collective actions. However, because such theories focus on creation of the good, they may underestimate returns that accrue to early contributors subsequent to the good's realization. The concept of formative investment is introduced here to describe the extent to which organizations help to create public goods such as interorganizational linkages like participatory federations. Data from the CEOs of 48 organizations involved in a participatory federation were used to assess how an organization's level of formative investment is related to later patterns of dependency and interaction among federation members. Findings suggest that from a long‐term perspective, and for goods that involve communication and interaction, the incentive structure may not be so favorable for free riders. To the extent that organizations with high formative investment have the capability to envision the future and communicate that vision to potential federation partners, they may be able to both reduce free riding and secure for themselves advantageous positions in the subsequent network of relations.  相似文献   
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Molecular sequence data, made available in the last 15 years or so, have led to the classification of living cells into three phylogenetic domains: Bacteria, Archaea, and Eucarya. All the organisms that have been tested belonging to either domain were capable of mounting a stress response with essentially the same characteristics, regardless of the stressor. The protagonists in the cell's stress response are the stress genes and their protein products. Some of the latter are molecular chaperones. Under physiological conditions, these chaperones aid other cellular proteins to fold properly and achieve a native -functional- configuration, and to translocate from the place of synthesis to the cell's locale in which they will operate. In a stressed cell, the stress proteins that are chaperones protect other molecules from denaturation and help those partially damaged to regain a functional configuration. Thus, cell death is avoided and recovery is enhanced. The study of stress genes and proteins has progressed considerably in organisms belonging to the domains Bacteria and Eucarya. Less is known about the archaeal stress genes. Here, research with an organism from the Archaea is discussed, focusing on the stress genes of the hsp70 (dnaK) locus. Future perspectives for basic and applied research within the health sciences and biotechnology industries are presented.  相似文献   
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Although children born preterm or low birth weight (PT LBW) are more likely to exhibit behavior problems compared to children born at term, developmental and family processes associated with these problems are unclear. We examined trajectories of maternal depressive symptoms in relation to toddler compliance and behavior problems in families with PT LBW infants. A total of 177 infants (93 boys, 84 girls) and their mothers enrolled in the study during the infant's NICU stay. Data were collected at five time points across 2 years. Assessments of maternal depressive symptoms were conducted at all time points, and toddler compliance and opposition to maternal requests and behavior problems were assessed at 2 years. Toddlers born earlier with more health problems to mothers whose depressive symptoms increased over time exhibited the most opposition to maternal requests during a cleanup task at 24 months, consistent with multiple risk models. Mothers with elevated depression symptoms reported more behavior problems in their toddlers. The study has implications for family‐based early intervention programs seeking to identify PT LBW infants at highest risk for problem behaviors.  相似文献   
5.

Communication during a combat deployment has changed significantly in current times. Couples can now communicate with each other frequently and through multiple modes. Despite this greater availability of communication options, there remain unanswered questions related to how healthy deployment communication is best achieved between couples, particularly regarding navigating the uncertainty of deployment. In this qualitative study, we report on the experiences of 31 National Guard couples who endured a combat deployment in support of Operation Enduring Freedom. Couples were interviewed three months after the soldier returned from deployment. Through the lens of relational turbulence theory, we provide a conceptual framework related to effective and non-effective deployment communication, along with structural communication barriers in the military that may negatively affect the mental well-being of partners. Finally, we provide recommendations to guide couples through these difficult deployments.

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The impact of the therapeutic alliance on positive clinical outcomes has been established in the literature; however, literature is lacking on how the intersection of therapist and client identities influences this process. We propose that the relational intersectionality resulting from similarities or differences in therapist and client identities has the potential to impact the bonds, tasks, and goals of treatment (key components of the therapeutic alliance; Bordin, 1979) depending on how it is addressed or avoided in therapy. In this paper, we present a model containing pragmatic steps therapists can follow to navigate these conversations with clients in a way that is therapeutically beneficial and culturally sensitive and attuned. Additionally, we provide suggestions for using the proposed model to train new student therapists (or expose experienced therapists) to ideas of intersectionality and social justice by reflecting on the intersection of their own identities, acknowledging dynamics of power and oppression, and understanding how this could shape their relationship with clients.  相似文献   
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In this paper, we propose that therapist anxiety in the therapy room, especially anxiety stirred up by difficult or triggering clients, represents a challenge to effective therapy, and that effective management of this anxiety be considered as a necessary therapist skill for conducting quality couple and family therapy (CFT). We propose that effective therapists need to be able to manage their emotions, especially their anxiety, in order to truly help their clients. The failure to do this can lead to break downs in the alliance and the flow of therapy, and these deleterious effects can be prevented when therapists actively navigate their internal states through self-awareness and ongoing introspection. Bridging psychotherapy literature, we discuss specific strategies to this end, and make clinical recommendations for CFTs and CFT training programs.  相似文献   
10.
The association between suicide and a single nucleotide polymorphism (rs1386483) was examined in the recently identified tryptophan hydroxylase 2 (TPH2) gene. Blood samples of 143 suicide victims and 162 age- and sex-matched controls were examined. The frequency of the TT genotype in the TPH2 polymorphism was higher in suicide victims than in controls (17.5% vs. 8.6%; p = 0.02), particularly in those with a history of repeated suicide attempts (53.3% vs. 8.6%; p < 0.0001). The examined TPH2 polymorphism was found to be associated with suicide. This genetic marker may be particularly important in understanding risk of multiple suicide attempts. Further analyses are needed to confirm these results.  相似文献   
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