Developing a Community Science Research Agenda for Building Community Capacity for Effective Preventive Interventions

Research has shown that prevention programming can improve community health when implemented well. There are examples of successful prevention in local communities, however many continue to face significant challenges, demonstrating a gap between science and practice. Common strategies within the United States to address this gap are available (e.g., trainings), but lack outcomes. Building community capacity to implement high quality prevention can help communities achieve positive health outcomes, thereby narrowing the gap. While there is ample research on the efficacy of evidence-based programs, there is little on how to improve community capacity to improve prevention quality. In order to narrow the gap, a new model of research—one based in Community Science—is suggested that improves the latest theoretical understanding of community capacity and evaluates technologies designed to enhance it. In this article, we describe this model and suggest a research agenda that can lead to improved outcomes at the local level.     

Faulty Judgment,Expert Opinion,and Decision-Making Capacity

An assessment of decision-making capacity is the accepted procedure for determining when a person is not competent. An inferential gap exists between the criteria for capacity specific abilities and the legal requirements to understand relevant information and appreciate the consequences of a decision. This gap extends to causal influences on a person'scapacity to decide. Using a published case of depression, we illustrate that assessors' uses of diagnostic information is frequently not up to the task of bridging this inferential gap in a justifiable way. We then describe cases of faulty judgement which challenge the understanding of diagnostic causal influences. These cases help to clarify the nature of the expertise required for capacity assessments. In practice, the requirements of decision-making capacity are often abandoned to other considerations due to a lack of requisite expertise. The legal policy supporting decision-making capacity as a means to protective intervention is justified only if the requisite expertise is developed. We propose the requisite expertise to be developed in the long term as a distinct multidisciplinary endeavour.     

Satiation, capacity, and within-session responding

Responding may change substantially over the course of a session (McSweeney, Hinson, & Cannon, 1996). The role of satiation in this effect was investigated in three experiments. Experiment 1 showed that the capacity of pigeons to consume milo over a 1-hr period was relatively stable across three different methods of measurement. In Experiment 2, pigeons were divided into two groups that differed in their capacity based on one of those measures. Key pecking was then reinforced under a variable-interval 30-s schedule with hopper durations of 2 or 5 s. According to the satiation hypothesis, subjects with small capacities should satiate faster and therefore show greater decreases in food-reinforced responding than would subjects with larger capacities. The results confirmed this prediction and showed that the magnitudes of within-session decreases were better predicted by the amount an animal consumed relative to its capacity than by absolute amount alone. In Experiment 3, each pigeon was prefed 0, 5, 15, or 25 g of milo prior to each session. Consistent with the satiation hypothesis, increases in prefeeding produced lower overall response rates in the smaller capacity subjects than in the larger capacity subjects at each level of prefeeding. These experiments demonstrate the importance of a new variable in the control of behavior, and provide a recommended technique for its measurement.     

Perceived Discrimination and Health-Related Quality of Life: Testing the Reserve Capacity Model in Hispanic Americans

ABSTRACT

This study tested aspects of the Reserve Capacity Model (Gallo & Matthews, 2003 Gallo, L. C. and Matthews, K. A. 2003. Understanding the association between socioeconomic status and physical health: Do negative emotions play a role?. Psychological Bulletin, 129: 10–51. [Crossref], [PubMed], [Web of Science ®] , [Google Scholar]; Gallo, Penedo Espinosa de los Monteros, & Arguelles, 2009 Gallo, L. C., Penedo, F. J., Espinosa de los Monteros, K. and Arguelles, W. 2009. Resiliency in the face of disadvantage: Do Hispanic cultural characteristics protect health outcomes?. Journal of Personality, 77: 1707–1746. [Crossref], [PubMed], [Web of Science ®] , [Google Scholar]) as a means of understanding disparities in health-related quality of life appraisals among Hispanic Americans. Questionnaire data were collected from 236 Hispanic participants, including measures of perceived discrimination, optimism, social support, symptoms of trait anxiety, and physical and mental health-related quality of life. Path analysis indicated direct, negative associations between perceived discrimination and both forms of health-related quality of life. Results also showed that these relationships were partially mediated by the reserve capacity variable of optimism and by symptoms of anxiety, though evidence for mediation by anxiety was stronger than for optimism. Findings suggest that perceived discrimination depletes intrapersonal reserves in Hispanic Americans, which, in turn, induces negative emotions. Implications for community-level interventions are discussed.     

Latent profile analysis of working memory capacity and thinking styles in adults and adolescents

This study of adults (n = 269) and adolescents (n = 308) applied latent profile analysis to preference for rational and/or experiential cognition, coupled with working memory capacity (WMC). A 4-profile solution comprising rationally dominant, experientially dominant, dual preference, and disengaged groups was retained for both adult and adolescent samples. Our solution indicated that high WMC was associated with both preference and ability to engage in rational processing. Profile membership significantly discriminated both adults and adolescents on several reasoning tasks and measures of cognitive biases. Overall our results indicate that cognitive processing styles and WMC can be combined to create a typology that distinguishes between four types of thinkers who significantly differ in their performance on reasoning tasks.     

Insights into spared memory capacity in amnestic MCI and Alzheimer's Disease via minimal interference

Impairment on standard tests of delayed recall is often already maximal in the aMCI stage of Alzheimer's Disease. Neuropathological work shows that the neural substrates of memory function continue to deteriorate throughout the progression of the disease, hinting that further changes in memory performance could be tracked by a more sensitive test of delayed recall. Recent work shows that retention in aMCI patients can be raised well above floor when the delay period is devoid of further material - 'Minimal Interference'. This memory enhancement is thought to be the result of improved memory consolidation. Here we used the minimal interference/interference paradigm (word list retention following 10 min of quiet resting vs. picture naming) in a group of 17 AD patients, 25 aMCI patients and 25 controls. We found (1) that retention can be improved significantly by minimal interference in patients with aMCI and patients with mild to moderate AD; (2) that the minimal interference paradigm is sensitive to decline in memory function with disease severity, even when performance on standard tests has reached floor; and (3) that this paradigm can differentiate well (80% sensitivity and 100% specificity) between aMCI patients who progress and do not progress to AD within 2 years. Our findings support the notion that the early memory dysfunction in AD is associated with an increased susceptibility to memory interference and are suggestive of a gradual decline in consolidation capacity with disease progression.     

Examining Multi-Sector Community Collaboratives as Vehicles for Building Organizational Capacity

While community collaboratives have emerged as a prominent vehicle for fostering a more coordinated community response to complex issues, research to date suggests that the success of these efforts at achieving community/population-level improvements is mixed. As a result, researchers and practitioners are increasing their focus on the intermediate outcomes accomplished by these entities. The purpose of this study is to expand upon this examination of potential intermediate outcomes by investigating the ways in which collaboratives strengthen the capacity of the organizations who participate as members. Utilizing a mixed methods design, we present an empirically-based framework of organizational outcomes associated with participation in a community collaborative. The dimensions of this framework are validated based on quantitative findings from representatives of 614 different organizations and agencies nested within 51 different community collaboratives. This article then explores how the characteristics of organizations and their representatives relate to the nature and type of impacts associated with membership. Based on study findings, we argue that community collaboratives can be effective interventions for strengthening organizational capacity across all sectors in ways that can promote greater community resiliency.     

The impact of aging and hearing status on verbal short-term memory

The aim of this study is to assess the impact of hearing status on age-related decrease in verbal short-term memory (STM) performance. This was done by administering a battery of verbal STM tasks to elderly and young adult participants matched for hearing thresholds, as well as to young normal-hearing control participants. The matching procedure allowed us to assess the importance of hearing loss as an explanatory factor of age-related STM decline. We observed that elderly participants and hearing-matched young participants showed equal levels of performance in all verbal STM tasks, and performed overall lower than the normal-hearing young control participants. This study provides evidence for recent theoretical accounts considering reduced hearing level as an important explanatory factor of poor auditory-verbal STM performance in older adults.     

任务数量与工作记忆容量对交错学习的影响

研究以分子结构式为材料,让被试在单任务或双任务条件下以集中呈现和交错呈现的方式进行学习,并通过操作广度、旋转广度和对称广度任务测量工作记忆容量（working memory capacity, WMC）,探究在基于规则类别学习中交错呈现优势的稳定性。结果显示,交错呈现优势仅体现在文科生中;而对于理科生,集中呈现效果较佳。另外,任务数量和WMC均不影响交错呈现优势,表明交错呈现优势稳定存在于单任务和双任务条件中,且不同WMC的个体均能从交错学习获益。     

From affect to feelings and thoughts: from abuse to care and understanding

The capacity of the infant to bear affect relies on the capacity of the caregiver until it has achieved enough strength to perform this task itself. In the case of neglect the necessary strength to contain, metabolize and think about affect so that it may be converted into differentiated feelings cannot develop because of the absence of a caregiver capable of sustaining the infant in its emotional development. Instead a system of defence against affect arises in which the affect itself is perceived as intrusive and abusive. Because of neglect a confusion between abuse and affect is to be observed, with catastrophic consequences for the growing up child. Furthermore neglected children can be seduced by external abuse in the hope of being protected from affect that threatens to feel abusive from within. Paradoxically these children are drawn toward abusive situations in the hope of finding some ongoing shelter from unmanageable affect. A corollary of this is that actual containment comes to feel abusive to them: if they are made to feel affect, they perceive the other, who put them in touch with affect, as abusive: thus affect, abuse and containment are confused. Clinical material will support this thesis.