113 research outputs found

    The Relationships Between Leader Behavior, Follower Motivation, And Performance

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    The primary goal of this study was to examine ways in which leaders can influence followers motivation. Motivation is a key construct in industrial and organizational psychology due to its impact on employee performance. Modern motivation theories adapt a more sophisticated view of motivation in terms of definition, relationships, and operationalization. In particular, one new theory of motivation is the Pritchard and Ashwood Theory (2008). This theory proposes that motivation is comprised of four perceived relationships that, in combination, reflect the extent to which employees believe that their actions on the job will lead to need satisfaction. These four relationships are called connections. The relationship between two leadership behaviors, initiating structure and consideration, and the Pritchard and Ashwood motivational connections was examined. It was hypothesized that the two leader behaviors would have differential relationships with the four motivational connections. These differential relationships should facilitate targeted behavioral feedback to leaders to improve each of the motivational connections. Additionally, motivation was hypothesized to mediate the relationship between the leader behaviors and employee outcomes. The Pritchard and Ashwood Theory is operationalized by the Motivation Assessment Questionnaire (MAQ) (Pritchard, 2006a). A secondary goal of this study was to contribute to the validity evidence of the MAQ. This recently developed questionnaire has shown good psychometric properties and initial validity evidence has demonstrated moderate relationships between the MAQ and job performance. However, this is the first study of the relationship between the MAQ and employee outcomes with a large sample of full-time working adults. Further, this study expanded potential MAQ outcomes beyond employee performance to include organizational citizenship behaviors and turnover intentions. A sample of 208 employees was recruited from two central Florida companies. These employees responded to the MAQ and other study measures via a secure, online survey. Participating employees provided contact information for their supervisors who were then invited to participate in the study by providing criteria ratings. A large number of the invited supervisors participated (n = 195). Results indicated robust support for one of the leadership behaviors: consideration. Consideration was related to performance and this relationship was partially mediated by motivation. On the other hand, initiating structure was not related to employee performance. Consideration and initiating structure were not differentially related as hypothesized to the four motivational connections. This was due in part to the strong correlation between the two leadership behaviors (r = .73). Results provided additional validation evidence for the MAQ. The overall effort scale was not related to performance as it had been in the two previous studies that used a student sample. However, the average of the motivation connections predicted performance. Additionally, the MAQ predicted both organizational citizenship behaviors and turnover intentions. As mentioned previously, the sample was drawn from two central Florida companies. Although many of the study hypotheses were supported for the overall sample, the observed relationships were very different for the two subsamples. Similarly, findings in this study differ from previous studies using the MAQ with working students. Potential reasons for these differences are discussed

    Understanding Eating Behaviors of New Dehli\u27s Youth

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    This qualitative study documents perceived benefits of and barriers to engaging in healthy eating behaviors among adolescents in New Delhi, India. Researchers explored factors that influenced the consumption of breakfast, fruits and vegetables, and soft drinks in this population and adolescents’ ideas about how to intervene to encourage or discourage, respectively, these behaviors. Students (n=151 6th and 8th graders) from five private schools participated in focus group discussions. Findings showed that the majority of youth eat breakfast that may consist of traditional and Western choices. Despite sound knowledge of the benefits of fruits and vegetables consumption, adolescents do not eat the recommended daily servings due to flavor preferences. Soft drink consumption was, reportedly, universal. Several factors influenced these decisions and details are herein provided. The paucity of studies on this subject provides researchers with the opportunity to explore how eating patterns of Indian youth might be shaping the health and disease landscape of India in the upcoming decades. The study adds to the slim body of literature on the subject and could be used to inform future nutrition interventions in India

    Incorporating Reflective Writing into the Clerkship

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    During the last decade, medical schools have turned to writing exercises as a means for encouraging students to reflect on their learning experiences during clinical clerkships. The reasons for the increased popularity of reflective writing are broad. Approaches to encouraging reflective writing are quite varied. Recently, three internal medicine clerkships (University of Chicago Pritzker School of Medicine, University of Florida College of Medicine, and University of Massachusetts Medical School) independently implemented reflective writing activities in the clerkship curriculum

    Geographically-weighted regression of knowledge and behaviour determinants to anti-malarial recommending and dispensing practice among medicine retailers in western Kenya: capacitating targeted interventions

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    Background Most patients with malaria seek treatment first in retail drug shops. Myriad studies have examined retailer behaviours and characteristics to understand the determinants to these behaviours. Geospatial methods are helpful in discovering if geographic location plays a role in the relationship between determinants and outcomes. This study aimed to discover if spatial autocorrelation exists in the relationship between determinants and retailer behaviours, and to provide specific geographic locations and target behaviours for tailoring future interventions. Methods Retailer behaviours and characteristics captured from a survey deployed to medicine retailers in the Webuye Demographic and Health Surveillance Site were analysed using geographic weighted regression to create prediction models for three separate outcomes: recommending the first-line anti-malarial therapy to adults, recommending the first-line anti-malarial therapy to children, and selling that therapy more than other anti-malarials. The estimated regression coefficients for each determinant, as well as the pseudo R2 values for each final model, were then mapped to assess spatial variability and local areas of best model fit. Results The relationships explored were found to be non-stationary, indicating that spatial heterogeneity exist in the data. The association between having a pharmacy-related health training and recommending the first-line anti-malarial treatment to adults was strongest around the peri-urban centre: comparing those with training in pharmacy to those without training (ORæ=æ5.75, pæ=æ0.021). The association between knowing the first-line anti-malarial and recommending it to children was strongest in the north of the study area compared to those who did not know the MOH-recommended anti-malarial (ORæ=æ2.34, pæ=æ0.070). This is also the area with the strongest association between attending a malaria workshop and selling the MOH-recommended anti-malarial more than other anti-malarials, compared to retailers who did not attend a workshop (ORæ=æ2.38, pæ=æ0.055). Conclusion Evidence suggests that spatial heterogeneity exists in these data, indicating that the relationship between determinants and behaviours varies across space. This is valuable information for intervention design, allowing efforts to focus on those factors that have the strongest relationship with their targeted behaviour within that geographic space, increasing programme efficiency and cost-effectiveness

    The influence of “westernization” on nutrition and physical activity behaviors of adolescents in New Delhi, India: Are we exporting an epidemic of obesity?

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    Purpose. To examine the relationships between “westernization” and nutrition and physical activity behaviors among older adolescents in Delhi, India. These relations have not been explored, despite increasingly strong and pervasive socio-cultural influences from the West. Methods. Students (n=1818) in 8th and 10th grades in 4 Private (higher SES) and 4 Government (lower SES) schools in Delhi, India participated in a cross-sectional study. Height and weight were measured to determine weight status. Information on “westernization” and nutrition, physical activity, sedentary, and dieting behaviors was collected in a survey. The measure of “westernization” assessed 4 domains of culture on a bi-dimensional scale that focused on these young people’s identification with Indian (α=0.86) and Western (α=0.81) ways of living. Mixed-effects regression models were used to investigate the association between “westernization,” weight status, and health behaviors. Gender, school type (SES), and grade were evaluated as effect modifiers. Results. “Westernization” was not directly associated with weight status or BMI (p\u3e0.500). However, adolescents’ identification with Western ways of living was consistently related to both unhealthy (e.g., fast food consumption, pppConclusions. The influence of “westernization” on nutrition and physical activity behaviors of older adolescents in Delhi, India is complex and not wholly negative, as might be hypothesized

    To assess the influence of tobacco use by family members, peers and role models on tobacco use status of adolescents living in urban slums of Delhi, India: Results from a longitudinal study

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    Objective: To assess the longitudinal relationship between tobacco use by family members, peers and role models on tobacco use behavior of adolescents living in low socio-economic communities of Delhi, India. Methods: Project ACTIVITY (Advancing Cessation of Tobacco in Vulnerable Indian Tobacco Consuming Youth), a community-based cluster-randomized trial. Adolescents (n=1720) belonging to low socio-economic status from control communities of Project ACTIVITY, including resettlement colonies and adjacent Jhuggi-Jhopris (JJs), who were non-tobacco users at baseline and participated in all the three repeated surveys (2009, 2010, 2011). The main outcome measure in the study was current tobacco use at the endline. Tobacco use by family members, friends and role models was measured at baseline. Results: The influence of tobacco use by friends on the onset of youth tobacco use was significant (OR=2.68, 95% CI=1.27-5.64) and by brother was even stronger (OR=4.36, 95% CI=1.66-11.45). Both effects were consistent across gender, age group and were also stronger than the effects of tobacco use by father (OR=1.51, 95% CI=0.70-3.23). Conclusion: Thus, study highlights the need to engage siblings and peers in efforts to prevent tobacco use and promote tobacco cessation among adolescents in resourcepoor, slum communities in India

    Application of inverse weighting analysis to assess the association of youth perceptions with the age of initiation of tobacco products

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    IntroductionTo examine if perceptions of harmfulness and addictiveness of hookah and cigarettes impact the age of initiation of hookah and cigarettes, respectively, among US youth. Youth (12-17 years old) users and never users of hookah and cigarettes during their first wave of PATH participation were analyzed by each tobacco product (TP) independently. The effect of perceptions of (i) harmfulness and (ii) addictiveness at the first wave of PATH participation on the age of initiation of ever use of hookah was estimated using interval-censoring Cox proportional hazards models.MethodsUsers and never users of hookah at their first wave of PATH participation were balanced by multiplying the sampling weight and the 100 balance repeated replicate weights with the inverse probability weight (IPW). The IPW was based on the probability of being a user in their first wave of PATH participation. A Fay’s factor of 0.3 was included for variance estimation. Crude hazard ratios (HR) and 95% confidence intervals (CIs) are reported. A similar process was repeated for cigarettes.ResultsCompared to youth who perceived each TP as “a lot of harm”, youth who reported perceived “some harm” had younger ages of initiation of these tobacco products, HR: 2.53 (95% CI: 2.87-4.34) for hookah and HR: 2.35 (95% CI: 2.10-2.62) for cigarettes. Similarly, youth who perceived each TP as “no/little harm” had an earlier age of initiation of these TPs compared to those who perceived them as “a lot of harm”, with an HR: 2.23 (95% CI: 1.82, 2.71) for hookah and an HR: 1.85 (95% CI: 1.72, 1.98) for cigarettes. Compared to youth who reported each TP as “somewhat/very likely” as their perception of addictiveness, youth who reported “neither likely nor unlikely” and “very/somewhat unlikely” as their perception of addictiveness of hookah had an older age of initiation, with an HR: 0.75 (95% CI: 0.67-0.83) and an HR: 0.55 (95% CI: 0.47, 0.63) respectively.DiscussionPerceptions of the harmfulness and addictiveness of these tobacco products (TPs) should be addressed in education campaigns for youth to prevent early ages of initiation of cigarettes and hookah

    Development of the Continuously Variable Volume Reactor for Flow Injection AnalysisDesign, Capabilities and Testing

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    A new apparatus for mixing sample and reagent in flow injection analysis is described. The continuously variable volume reactor (CVVR) replaces the conventional mixing coil in a flow injection manifold to provide mixing and dilution. A linear actuator motor allows control of the chamber volume via Lab VIEW software. The chamber volume can be incremented in steps of 1 uL over the range 68-1704 uL. In addition, the chamber has an integral variable-speed stirring unit that is also under computer control. Experiments were performed to evaluate the dispersion characteristics of this new device, evaluate the volume reproducibility, and understand the mixing characteristics. Use of the chamber is shown in the determination of iron (II) in pond water, and in NIST SRM 1643d with excellent results and a detection limit of 3.7 ug/L iron(II). Advantages of the CVVR and future research activities using the device are discussed

    Food insecurity increases risk of depression and anxiety among women in Senegal living with diabetes and/or hypertension

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    Food insecurity affects close to half the population of Senegal, West Africa, a country simultaneously affected by the ongoing global diabetes pandemic. Diabetes and food insecurity are associated with adverse mental health, yet research exploring the relationship between chronic physical illness, food insecurity, and mental illness in Senegal is currently lacking. The objective of this study was to investigate the association between food insecurity and depression and anxiety, separately, in Senegalese women living with diabetes and hypertension. Food insecurity was measured using the Household Food Insecurity Access Scale. Occurrence of depression and anxiety symptoms was assessed using the Modified Hopkins Symptoms Checklist Survey (HSCL‑25). A sensitivity analysis examining the relationship between food insecurity and depression and anxiety was performed by comparing two previously validated cutoff values (1.75 and 2.25) on the HSCL‑25. Most participants (83%) had some level of food insecurity. More than 80% of the sample were depressed or anxious using 1.75 as the cutoff, while 42 and 60% were depressed or anxious, respectively, using 2.25 as the cutoff. Food insecurity increased relative risk for depression (RRR: 1.40, 95% CI: 1.05‑1.31, 1.75 as cutoff; RRR: 1.06, 95% CI: 0.99‑1.14, 2.25 as cutoff) and anxiety (RRR: 1.17, 95% CI: 1.05‑1.31, 1.75 as cutoff; RRR: 1.11, 95% CI: 1.04‑1.19, 2.25 as cutoff). These findings demonstrate that among populations suffering from diabetes and hypertension, food insecurity is a modifiable risk factor for depression and anxiety and a potential intervention target in this setting

    2006 AAPP Monograph American Series

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    The African American Professors Program (AAPP) at the University of South Carolina is proud to publish the sixth edition of its annual monograph series. The program recognizes the significance of offering its scholars a venue for engaging actively in research and for publishing papers related thereto. Parallel with the publication of their refereed manuscripts is the opportunity to gain visibility among scholars throughout institutions worldwide. Scholars who have contributed manuscripts for this monograph are to be commended for adding this additional responsibility to their academic workloads. Writing across disciplines adds to the intellectual diversity of these papers. From neophytes, relatively speaking, to an array of very experienced individuals, the chapters have been researched and comprehensively written. Founded in 1997 through the Department of Educational Leadership and Policies in the College of Education, AAPP was designed to address the underrepresentation of African American professors on college and university campuses. Its mission is to expand the pool of these professors in critical academic and research areas. Sponsored by the University of South Carolina, the W.K. Kellogg Foundation, and the South Carolina General Assembly, the program recruits doctoral students for disciplines in which African Americans currently are underrepresented among faculty in higher education. The continuation of this monograph series is seen as responding to a window of opportunity to be sensitive to an academic expectation of graduates as they pursue career placement and, at the same time, one that allows for the dissemination of AAPP products to a broader community. The importance of this monograph series has been voiced by one of our 2002 AAPP graduates, Dr. Shundele LaTjuan Dogan, a former Program Officer for the Southern Education Foundation, Atlanta, Georgia, a former Administrative Fellow at Harvard University, and currently a Senior Program Officer with the Arthur M. Blank Foundation, focusing on the Pathways to Success Initiative. Dr. Dogan wrote: One thing in particular that I want to thank you for is having the African American Professors Program scholars publish articles for the monograph. I have to admit that writing the articles seemed like extra work at the time. However, in my recent interview process, organizations have asked me for samples of my writing. Including an article from a published monograph helped to make my portfolio much more impressive. You were \u27right on target\u27 in having us do the monograph series. {AAPP 2003 Monograph, p xi) The African American Professors Program offers this 2006 publication as a contribution to its readership and hopes that you will be inspired by this select group of manuscripts. John McFadden, Ph.D. The Benjamin Elijah Mays Professor Director, African American Professors Program University of South Carolinahttps://scholarcommons.sc.edu/mcfadden_monographs/1008/thumbnail.jp
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