1,491 research outputs found

    Database Dependency

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    We defined the phenomenon of database dependency as the behavior of a library user to immediately select computerized information resources without considering (1) the appropriateness of the electronic gesource to the immediate information need, (2) the quality and accuracy of the information found, and (3) the amount of time it may take to find the information in a database compared to finding a print resource in that library. The librarians at the Talk Table agreed that patrons seem to accept whatever information they find in an electronic resource even if it takes longer to get the answer, the answer is incomplete, or if the information would have been more easily found in a print reference source. The academic librarians said that they have been seeing this behavior in their libraries for the last several years. The public librarians agreed that this behavior is increasing in their libraries as people are becoming more comfortable with computers

    Food insecurity, food based coping strategies and suboptimal dietary practices of adolescents in Jimma Zone Southwest Ethiopia

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    Despite the high prevalence of adolescent food insecurity in Ethiopia, there is no study which documented its association with suboptimal dietary practices. The objective of this study is to determine the association between adolescent food insecurity and dietary practices. We used data on 2084 adolescents in the age group of 13–17 years involved in the first round survey of the five year longitudinal family study in Southwest Ethiopia. Adolescents were selected using residence stratified random sampling methods. Food insecurity was measured using scales validated in developing countries. Dietary practices were measured using dietary diversity score, food variety score and frequency of consuming animal source food. Multivariable regression models were used to compare dietary behaviors by food security status after controlling for socio-demographic and economic covariates. Food insecure adolescents had low dietary diversity score (P<0.001), low mean food variety score (P<0.001) and low frequency of consuming animal source foods (P<0.001). After adjusting for other variables in a multivariable logistic regression model, adolescent food insecurity (P<0.001) and rural residence (P<0.001) were negatively associated with the likelihood of having a diversified diet (P<0.001) and frequency of consuming animal source foods, while a high household income tertile was positively associated. Similarly, multivariable linear regression model showed that adolescent food insecurity was negatively associated with food variety score, while residence in semi-urban areas (P<0.001), in urban areas (P<0.001) and high household income tertile (P = 0.013) were positively associated. Girls were less likely to have diversified diet (P = 0.001) compared with boys. Our findings suggest that food insecurity has negative consequence on optimal dietary intake of adolescents. Food security interventions should look into ways of targeting adolescents to mitigate these dietary consequences and provide alternative strategies to improve dietary quality of adolescents in Southwest Ethiopia

    Creating parental trust in children's toy brands : the antecedents and dimensions of trustworthy behaviour of toy companies

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    Based around a case study of the traditional toy industry, the research examines how companies create trust with parents, the main toy purchasers, and the importance of ethical behaviour in trust development when a vulnerable community is involved. Previous literature has revealed that trust leads to mutually beneficial company-consumer relationships but scholars have failed to agree on its definition, dimensions or measurement due to its complexity, diversity and intangibility. Few have distinguished between 'trustworthiness' as a moral quality of organisations and 'trust', which is a consumer judgement about companies and brands, made as part of their purchase deliberations. A review of the literature led to the development of a framework of trustworthy behaviour identifying five sets of antecedents (organisational, individual, control, relational and branding factors) and four key dimensions with related variables - 'Integrity' and 'Benevolence', relating to ethical constructs and 'Commitment' and 'Satisfaction', relating to organisational constructs. The model was then substantiated through qualitative research with a sample of senior managers in 12 leading toy companies and other stakeholders including industry body representatives, retailers and parents. The findings revealed that in a challenging economic climate, trust in toy companies is being driven principally by the marketing offer and by external influencers such as legislators, retailers, licensors, and the media. Examples of good ethical practices were identified, although often unnoticed by consumers, and the worthier companies, for whom trustworthiness was important, appeared to be faring less well economically than companies selling third party brands. Consumers' trust was significant in the preschool market but diminished in importance as children matured when their influence overrode parents' more rational purchase considerations. The research revealed a paradox that parents as well as children are vulnerable consumers who are often bypassed in the marketing process. Whatever children's consumer rights, there will always be a lack of trust in the industry whilst young children rather than parents are so blatantly targeted.EThOS - Electronic Theses Online ServiceGBUnited Kingdo

    Space allowance and the behaviour of captive southern hairy-nosed wombats (Lasiorhinus latifrons)

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    Captive southern hairy-nosed wombats (Lasiorhinus latifrons) often display indicators of substandard welfare, including aggression and stereotypical pacing. To determine if space availability influences the welfare of wombats, the behaviour of three groups of L. latifrons (n = 3) was studied in three different sized enclosures: small (S) (75.5 m2; the minimum space requirement for three wombats in Queensland, Australia), medium (M) (151 m2, twice the minimum space) and large (L) (224 m2, three times the minimum space) in a Latin Square design. Compared to wombats in larger enclosures, those in the small enclosure were observed to display more biting (S: 1.96; M: 0.42; L: 0.28, SED &plusmn; 0.56 counts / day, P = 0.01), retreat from conspecifics (S: 15.0; M: 9.9; L: 7.1 SED &plusmn; 2.66 counts / day, P = 0.03), and visual scanning (S: 52.8; M: 33.9; L: 28.8, SED &plusmn; 4.62 counts / day, P &lt; 0.001); they also spent more time fenceline digging, which may represent attempts to escape (S: 0.78; M: 0.16; L: 0.24, SED &plusmn; 0.07 min / m / day, P &lt; 0.0001). Those in the largest enclosure showed less self-directed grooming behaviour than those in the two smaller enclosures (S: 23.80; M: 24.08; L: 14.42, SED &plusmn; 3.22 counts / day, P = 0.02). It is concluded that small 2 enclosure size had a negative impact on the behaviour of wombat, and as a consequence, current 30 minimum space requirements for wombats in captivity should be reassessed

    A concept analysis of befriending

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    Aim. To report an analysis of the concept of Befriending. Background. Befriending is an intervention used in a range of nursing, health and social care settings to provide support for individuals who are socially isolated or lack social support. However, in many cases befriending and its impact remains poorly understood and under researched. Concept analysis provides clarification of the concept and basis for further research and development. Design. Concept analysis. Data sources. AMED, Psyc Articles, Psych Info, Medline, MedlinePlus, Social Science Index and CINHAL databases were searched for literature published between 1993–2013 using the search term Befriending. Methods. Walker and Avant’s method of concept analysis was chosen. This combined with insights from Risjord’s work produced a theoretical concept analysis which focused on the concept in peer reviewed academic literature. Results. There are currently several ways the mechanisms of befriending and its effects on individuals and communities are understood. It is possible however to identify key attributes which define the concept and differentiate it from related concepts, such as peer support and mentoring. Key attributes are that it is an organised intervention, involving the creation of an emotionally connected friendlike relationship, where there is a negotiation of power. Conclusion. This concept analysis has clarified current understandings and uses of befriending. It provides the basis for widening the focus of research into the effectiveness and impact of befriending on those who are befriended, those who befriend and the communities where befriending takes place

    Atypical neural responses to vocal anger in attention-deficit/hyperactivity disorder

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    Background Deficits in facial emotion processing, reported in attention-deficit/hyperactivity disorder (ADHD), have been linked to both early perceptual and later attentional components of event-related potentials (ERPs). However, the neural underpinnings of vocal emotion processing deficits in ADHD have yet to be characterised. Here, we report the first ERP study of vocal affective prosody processing in ADHD. Methods Event-related potentials of 6–11-year-old children with ADHD (n = 25) and typically developing controls (n = 25) were recorded as they completed a task measuring recognition of vocal prosodic stimuli (angry, happy and neutral). Audiometric assessments were conducted to screen for hearing impairments. Results Children with ADHD were less accurate than controls at recognising vocal anger. Relative to controls, they displayed enhanced N100 and attenuated P300 components to vocal anger. The P300 effect was reduced, but remained significant, after controlling for N100 effects by rebaselining. Only the N100 effect was significant when children with ADHD and comorbid conduct disorder (n = 10) were excluded. Conclusion This study provides the first evidence linking ADHD to atypical neural activity during the early perceptual stages of vocal anger processing. These effects may reflect preattentive hyper-vigilance to vocal anger in ADHD

    Integrated proteomic and transcriptomic profiling of mouse lung development and Nmyc target genes

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    Although microarray analysis has provided information regarding the dynamics of gene expression during development of the mouse lung, no extensive correlations have been made to the levels of corresponding protein products. Here, we present a global survey of protein expression during mouse lung organogenesis from embryonic day E13.5 until adulthood using gel-free two-dimensional liquid chromatography coupled to shotgun tandem mass spectrometry (MudPIT). Mathematical modeling of the proteomic profiles with parallel DNA microarray data identified large groups of gene products with statistically significant correlation or divergence in coregulation of protein and transcript levels during lung development. We also present an integrative analysis of mRNA and protein expression in Nmyc loss- and gain-of-function mutants. This revealed a set of 90 positively and negatively regulated putative target genes. These targets are evidence that Nmyc is a regulator of genes involved in mRNA processing and a repressor of the imprinted gene Igf2r in the developing lung
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