Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 253 for “"group-based"”.
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Group-based secure communication for wireless sensor networks
… WSNs. Furthermore, in case an aggregator node, group leader or cluster head node fails there should be a secure and efficient way of electing or selecting a new aggregator or group leader node in order to avoid adversary node to be selected as a new group leader. A key management protocol for …
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Intelligent Blockchain Group-based Methodology for Renewable Energy Trading for Local Communities
… such as blockchain. While several blockchain-based energy trading platforms exist, they overlook empowering small-scale prosumers and bridging the gap between them and industry giants, failing to adopt sustainable group methodologies. Furthermore, the absence of research on assisting consumers …
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The group-based binding pledge as a solution to public goods problems
… dilemma is a situation in which members of a group are faced with a conflict between two choices: maximizing personal interests (defection) or maximizing collective interests (cooperation). It is generally more profitable to defect, but if all do so, all are worse off than if all choose to …
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Fresh start: a group-based intervention to promote physical activity among college freshman
… study was to evaluate the effects of a mobile group-based intervention for freshmen female college students on physical activity and sedentary behavior. In addition, we examined intervention effects on social support, enjoyment, and stress in this population. Freshmen females (n=30) were …
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An enhanced feature selection technique for classification of group based holy Quran verses
… computational runtime associated with wrapper-based FS techniques and low classification accuracy performance associated with filter-based FS techniques. Therefore, in this study, a hybrid feature selection technique is proposed. The proposed FS technique is a combination of filter-based …
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MULTIVARIATE FINITE MIXTURE GROUP-BASED TRAJECTORY MODELING WITH APPLICATION TO MENTAL HEALTH STUDIES
… in trajectory analysis: 1) hierarchical modeling based on a multilevel structure, or 2) latent growth curve modeling (LGCM) based on a covariance structure (Raudenbush & Bryk, 2002; Bollen & Curran, 2006). However, this thesis used a third trajectory analysis method: group-based trajectory …
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The design and implementation of group based Functional Imagery Training for weight loss.
… settings and lacks the potential benefits group interventions could provide such as peer support. One aim of this research was to develop, refine and evaluate a version of FIT tailored to group delivery. Alongside this, implementation was attempted with public and private healthcare …
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Association between early maternal depression and child growth: A group-based trajectory modeling analysis
… among children from different racial/ethnic groups. This study used data from the Fragile Families Child Well Being Study (FFCWS) to investigate the research questions. FFCWS is a national dataset that has information on 4,898 women from predominantly non-marital, low-income, minority groups …
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Implementation and evaluation of group -based prevention of eating concerns using self -efficacy and knowledge enhancement
… pre and post intervention assessments, a control group, and had a larger sample of participants compared to other similar published programs. Both quantitative and qualitative assessment techniques were used to evaluate participants' experience in the program and their outcomes. It appeared that …
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Detection of Latent Heteroscedasticity and Group-Based Regression Effects in Linear Models via Bayesian Model Selection
… unreplicated layout has shown that hidden groupings among the levels of one categorical predictor frequently interact with the ungrouped factor. We extend the notion of a "latent grouping factor'' to linear models in general. The proposed work allows researchers to determine whether an …
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Three Essays on Development Economics: Social Capital, Cost of the Sanctions and Group-based Inequality in Iran
… paper, I inspect the trend and patterns of group-based inequality in Iran. Inequality among groups can be a source of conflict and instability. Iran is a habitat of ethnic diversity and experiences stable peaceful relationships among its ethnicities, while its neighbors experience many …
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Feasibility, acceptability and preliminary effectiveness of a video conference delivered, group-based physical activity program for cancer survivors
… for Cancer Therapy (Fit Cancer), an 8-week, group-based videoconference delivered exercise program. Feasibility and acceptability were captured by accrual, attendance and adherence rates and participant satisfaction and analyzed using descriptive statistics. Preliminary estimates of the …
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The impact of a group-based acceptance and commitment therapy intervention on parents of children diagnosed with an autism spectrum disorder
… Therapy (ACT) or treatment as usual (TAU) group. Treatment completers included 13 mothers in the ACT condition and 4 mothers in TAU. They were assessed three weeks before the intervention, one week after, and three months post-intervention. Limited data for between-group comparison …
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A Structure-based Attack on the Linearized Braid Group-based Diffie-Hellman Conjugacy Problem in Combination with an Attack using Polynomial Interpolation and the Chinese Remainder Theorem
… a linear algebra attack on the so-called braid group-based Diffie-Hellman conjugacy problem (BDHCP). The general procedure of the attack is to transform a BDHCP to the problem of solving several simultaneous matrix equations. A first improvement is achieved by reducing the solution space of the …
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Diagenetic, thermal and provenance histories of the Permian lower Ecca Group based on two newly drilled boreholes in the western and eastern main Karoo Basin, South Africa
… rocks of the Lower Permian lower Ecca Group in the Main Karoo Basin (MKB) in southern Africa have been identified to form a possible unconventional hydrocarbon reservoir, the gas potential of which is still relatively unknown. The lower Ecca Group is comprised of flysch-like successions …
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Implementing a school-based, group-based mental health intervention with adolescent females with social, emotional, behavioural difficulties, known to have experienced, and been affected by, difficult life events, in an alternative education setting: a case study approach
… how 6 female students would engage with a group-based mental health intervention in an alternative education setting, and whether such an intervention would be effective at alleviating trauma and depressive symptoms, and improve psychosocial functioning.<br/><br/>Participants: 6 female …
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Group communication in bus-based computer networks
… there has been an increase in the number of group-based applications composed of cooperative processing entities. Examples include multimedia teleconferencing, distributed databases, distributed operating system services, cooperating processes in automated control, and parallel processing. …
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An Evaluation of Scaling Methods for Earthquake Response Spectra
… The scaling factors fall into two major groups, one based on ground motion data, and the other, directly on response quantities. Within the group based on ground motion values are the integrals of the squared acceleration, velocity, and displacement, and those quantities derived …
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Teenage mothers' experiences of stigma and formal support services
… a one-to-one support service, and ten from a group based support service. Contributions to knowledge consisted of the following. First, regarding experiences of stigma, this research integrated concepts from the social psychology literature and established the effects of stigma which are …
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Mobile Devices for Facilitating Group Fitness and Visualization of Fitness Data
… behavioral strategies, such as team rank. And group-based strategies are very important in aspects such as peer recognition and can facilitate more physical activity. This research explores the design strategies of group-based dynamic approaches for encouraging physical activity in small-size …
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