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251.
Preferred forms of social interaction were identified using a paired-stimulus format in which two 3–5 s videos of the experimenter providing the social interaction to the participant were presented. Reinforcer efficacy of the high-, medium-, and low-preferred interactions was evaluated using a progressive-ratio schedule to determine the amount of work maintained by the stimuli. Results showed that higher preference stimuli produced larger break points than did lower preference stimuli.  相似文献   
252.
The picture-word interference (PWI) paradigm and the Stroop color-word interference task are often assumed to reflect the same underlying processes. On the basis of a PRP study, Dell’Acqua et al. (Psychonomic Bulletin & Review, 14: 717-722, 2007) argued that this assumption is incorrect. In this article, we first discuss the definitions of Stroop- and picture-word interference. Next, we argue that both effects consist of at least four components that correspond to four characteristics of the distractor word: (1) response-set membership, (2) task relevance, (3) semantic relatedness, and (4) lexicality. On the basis of this theoretical analysis, we conclude that the typical Stroop effect and the typical PWI effect mainly differ in the relative contributions of these four components. Finally, the results of an interference task are reported in which only the nature of the target – color or picture – was manipulated and all other distractor task characteristics were kept constant. The results showed no difference between color and picture targets with respect to all behavioral measures examined. We conclude that the assumption that the same processes underlie verbal interference in color and picture naming is warranted.  相似文献   
253.
This article presents family-level results from an ongoing study examining the impact of the CHAMP (Chicago HIV prevention and Adolescent Mental health Project) Family Program, a family-based HIV preventative intervention meant to reduce the amount of time spent in situations of sexual possibility and delay initiation of sexual activity for urban youth in the 4th and 5th grades living in neighborhoods with high rates of HIV infection. The CHAMP Family Program has been developed, delivered, and overseen by a collaborative partnership, consisting of community parents, school staff, community-based agency representatives, and university-based researchers. Design of the program was informed by input from this collaborative partnership, child developmental theory of sexual risk, and empirical data gathered from the targeted community. This article presents findings that suggest CHAMP Family Program impact on family communication, family decision-making, and family-level influences hypothesized to be related to later adolescent HIV risk. Implications for future family-based HIV prevention research are discussed here.  相似文献   
254.
Clinical studies have suggested the involvement of 5-HT1A receptors in anxiety and depressive disorders because partial 5-HT1A receptor agonists such as buspirone are therapeutic. The present review considers evidence from genetic animal models that support a role for 5-HT1A receptors in anxiety-like and depressed-like behavior in animals. Selective breeding for differential hypothermic responses to a selective 5-HT1A receptor agonist led to the development of the high DPAT sensitive (HDS) and low DPAT sensitive (LDS) lines of rats. The HDS rats differ from the LDS rats on several behavioral measures reflective of anxiety or depression, including reduced social interaction, reduced responding in a conflict task and exaggerated immobility in the forced swim test. However, they do not differ from the LDS rats in the elevated plus maze task, which is a commonly used test of anxiety. Nor do the HDS rats exhibit a typical anxiogenic response to the hippocampal administration of the 5-HT1A agonist. Although the HDS rats do exhibit elevations in 5-HT1A receptors in regions of the limbic cortex, it is not clear whether these increases account for the behavioral differences. Paradoxically, 5-HT1A receptor knockout mice also exhibit anxiety-like behavior in the plus maze, open field and conflict tests compared to wild type mice. However, the knockouts exhibited less immobility in the forced swim test than wild type control mice. Recent studies using selective regional reinstatement of the receptor have implicated the postsynaptic 5-HT1A receptors in these changes in anxiety-like behavior. Thus, preliminary evidence from two different types of genetic animal models suggests that anxiety-like behavior can arise if the 5-HT1A receptor function is eliminated or overexpressed. Further study with additional tests of anxiety are needed to confirm this intriguing relationship.  相似文献   
255.
Mental health clinicians are facing an increasing number of ethical problems related to the delivery of managed mental health care services to ethnic minorities. The authors argue that (a) economic pressures have led to the development of the managed health care movement; (b) the combination of such economic pressures and the development of that managed care movement have influenced the promulgated ethical standards of the American Psychological Association; and (c) those influences may have a negative impact on the mental health services available to ethnic minority individuals and communities. The authors review some of the specific potential threats to mental health services for minorities in the face of such health management policy and psychologists' professional standards.  相似文献   
256.
The COVID-19 pandemic placed preexisting racial health disparities in stark relief. Recent studies have already established that, among prejudiced Whites, exposure to such racial disparities reduced concern about the pandemic and support for mitigation policies (Harrel & Lieberman, 2021; Stephens-Dougan, 2022). In response to such results, one cautionary line of reasoning argues that communicating the disparity figures without explanatory context can perpetuate (or at least not undermine) myths that African Americans are more likely to contract COVID-19 due to genetic predispositions or maladaptive behavioral tendencies (Chowkwanyun & Reed, 2020). In two studies, we test the claims that (a) explanatory context mitigates the tendency to attribute racial disparities to essential racial differences and (b) that perceptions of racial disparities are attuned to specific racial inequalities in the U.S., and not merely expressions of outgroup bias. In Study 1, we found that exposure to racial disparities with explanatory context (vs. without explanatory context) did not reduce racial essentialism or stereotyping, but did promote support for healthcare equity. In Study 2, we found that black disadvantage frames (vs. white vs. Hispanic) uniquely promoted support for equitable healthcare and multicultural inclusion. Importantly, and contrary to other recent findings, exposure to black disadvantage did not preclude support for equity.  相似文献   
257.
Previous findings indicate that smartphone use can decrease life satisfaction and can negatively impact religious or spiritual goals. But since the start of the COVID-19 pandemic, smartphones have become significantly more positive and useful. Smartphones have helped people move on with their lives, especially due to the myriad benefits they offer. Users can “virtually” spend time with family and friends (i.e., social) and can order groceries, read the news, attend to religious and spiritual needs, and entertain themselves (i.e., process) without venturing out. In the theoretical framework of uses and gratifications, we explored the impact that smartphone use can have on the subjective well-being of Jews and Christians, respectively, in countries with the highest smartphone penetration: Israel and the United States. Furthermore, we introduced religiosity and spirituality, which have surged during the pandemic, as mediators in the proposed model. In the United States, social and process smartphone use enhanced subjective well-being through religiosity (vs. spirituality). In Israel, the process use enhanced subjective well-being through spirituality (vs. religiosity). Theoretical implications are discussed.  相似文献   
258.
Despite appearing positive, the model minority myth (MMM), or the perception that Asian Americans are “problem-free” minorities, maintains unfair racial hierarchies and discredits the pervasiveness of systemic racism faced by Asian Americans and other Black, Indigenous, and people of Color. This study investigated the role of internalized MMM in Asian/Asian Americans' (A/AA) experiences during the syndemic of COVID-19 and our society's racial reckoning. Using a mixed methods approach, we analyzed A/AA college students' open-ended responses to a query about their experiences as A/AA during COVID-19, which resulted in qualitative themes of Personal and Vicarious Discrimination, Vigilance, Safety due to Ethnicity, Safety due to Environment, and No Difference during COVID-19. We then conducted a series of logistic and linear regression models to examine how internalized MMM and sociodemographic factors (i.e., ethnic group, gender, and generational status) were associated with qualitative themes and quantitative measures of COVID-related discrimination. Overall, findings demonstrated that greater internalized MMM, as well as identifying as South Asian, male, and an international/first-generation immigrant student, were linked to fewer qualitative and quantitative reports of vicarious discrimination. We conclude with implications for research and practice in community psychology that further examine the racialized experiences among A/AA college students and ultimately seek to challenge the MMM and racial hierarchies perpetuating systems of oppression.  相似文献   
259.
260.
The presence and history of Indigenous Peoples present special problems for mission and missiology and requires some rethinking of basic concepts and the cultural location of mission. Because the next World Mission Conference will take place in Tanzania, this article looks more carefully at the basis of mission, the experience of Indigenous Peoples with missions, and the New Testament warrent for mission. In the latter we find, particularly in the gospel narratives of the resurrection appearances of Jesus and his sending of the disciples the particular and exemplary role of women. These narratives offer some guidance for framing mission with Indigenous Peoples and in relation to colonial legacies and global capitalism.  相似文献   
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