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 19 of 19 for “"Compare groups"”.
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Protein microenvironments for topology analysis
… motifs and that they can be used to align and compare groups of3D protein structures.This research sought to implement a system that could efficiently compute microenvironments such that they can be applied routinely to large datasets. Thecomputation of the microenvironments was the most …
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A Random-Linear-Extension Test Based on Classic Nonparametric Procedures
… test are proposed as a new way to compare groups of data with partial orders. The basic computation procedure is to generate all possible permutations constrained by the known partial order using a randomization method similar in nature to multiple imputation. This …
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Essays in decision making
… costly, individuals may find it inefficient to compare all available alternatives. Instead, when faced with an unfeasibly large choice set, some individuals may compare groups of alternatives (i.e. categories) to reduce the choice set into a more manageable set of relevant alternatives. I call …
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Are Bone Turnover Markers and Vitamin D levels associated with Frequency of Complete Denture Relines?
<p>PURPOSE: To compare groups of subjects with varying frequencies of complete denture relines in terms of their bone turnover markers; C-terminal Telopeptide (C-Tx), Osteocalcin (OCN) and Vitamin D (25 OH-Vit D) levels to determine the presence of and the degree of association between them.</p> …
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Perception of control and marital adjustment
… LOC differences and their marital adjustment. Groups for the testing of hypotheses were formed on the basis of hierarchical cluster analyses (Baker, 1972) of individual LOC scores (hypothesis one) and couple LOC scores for hypothesis two. Multivariate analysis of variance procedures were used …
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Efficacité d'un traitement ostéopathique pour les problématiques biomécaniques de succion des nouveau-nés
… by LC. The dyads were randomized into two groups: osteopathic intervention or usual care. Four measurement times over a 10-day period (pre and post intervention) allowed for the determination of the babies’ ability to latch, the intensity of pain felt by mothers as well as any perceived …
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Cross-borrowing and its impact on microentrepreneurs’ repayment performance and well-being in Peru
… statistical methods, including tests to compare groups or correlation analysis. The study makes the following key contributions. First, it relates cross-borrowing to the microentrepreneurs’ overall financial situation. Cross-borrowing was found to increase the complexity in the borrowers’ …
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Parental participation in a chapter I parent center as a predictor of academic achievement
… The subjects utilized for this study were three groups of 12 mothers each and their children who were enrolled in the Chapter I program. Data for the study were obtained from instruments administered to the children and from questionnaires given to their mothers. Reading achievement scores were …
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A Phenomenology Study of the Lived Experiences of Chinese International Students in the US During the COVID-19 Pandemic
… Reflections on Decision, were common across both groups, distinct differences were observed in several areas, including (1) Social Life and Interaction, (2) Self-Care and Entertainment, (3) Racism and Safety Concerns, and (4) Reflection and Personal Growth.</p> <p>This study pioneers in exploring …
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In search of the incidence of the corporate tax on employment and wages: evidence from U.S. state tax reforms
… of the Current Population Survey and compare groups of individuals in Ohio to similar individuals in (i) the Midwest and (ii) other U.S. states around the reform. Using a difference in difference identification approach, I conclude that the tax reform did not significantly boost wages …
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The Role of Impulsive Aggression in a Cohort of Suicide Attempters
… would remain stable across time. Methods: Three groups of patients (n = 291) were recruited, with suicide attempters as the experimental group and suicide ideators and traumatic injury patients as control groups. Subjects were evaluated for the presence of impulsivity and aggression during …
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Treatment Effects of the Mandibular Anterior Repositioning Appliance (MARA) and Conventional Orthodontic Mechanics on Temporomandibular Joint Morphology: A Comparison Using Cone Beam Computed Tomography
… therapy. Purpose: The aim of this study was to compare condylar remodeling in functional appliance treatment using the mandibular anterior repositioning appliance (MARA) to conventional fixed orthodontic therapy by measuring changes using Cone Beam Computed Tomography (CBCT).</p> <p>Methods: …
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METHODS OF IDENTIFYING NEUROLOGICAL DELIRIUM (MIND) STUDY
… descriptive statistics, statistical methods to compare groups, and statistical methods to explore relationships among variables. Study results were then described and discussed.
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Embodied Virtual Reality: The Impacts of Human-Nature Connection During Engineering Design
… choices. The design study consisted of three groups of engineering undergraduate students which were given a case study and plan review: a VR group embodying a bird (n=35), a self-lens VR group (n=34), and a control group (n=33). The case study was about a federal mandate to minimize combined …
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High-Latitude Ionospheric Irregularities Characterized Through Machine Learning Methods
… Using time-series hierarchical clustering to compare groups of signatures for pairs of stations, one from the auroral oval vs. one from the polar cap, a decision tree model was trained to classify the signatures. For hours in which both stations were located in their characteristic regions as …
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A retrospective cross-sectional analysis of palliative care needs and interventions in patients with cervical cancer in a palliative care unit in Soweto, Johannesburg
… two independent categorical variables. To compare groups, means, and standard deviations with t-tests for normally distributed variables, medians, and interquartile ranges were also used. All the tests were twotailed and a p-value of less than 0.05 was considered statistically significant. …
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Three essays on Brazilian social security policies, education and labor market
… is not straightforward, as we cannot simply compare groups of students from different teachers. Aside from teacher quality, the school performance of a group of students would depend on (i) the starting knowledge levels of students, (ii) their endowments (abilities and family backgrounds), …
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The Use of Hair Cortisol as a Biomarker of Chronic Stress in Patients with a recent Acute Myocardial Infarction
… Partial Least Squares (PLS) models were used to compare groups. Results Of the intended sample size of 75, 64 participants (48 acute MI cases and 16 healthy controls) were recruited. The total hair cortisol concentration was significantly higher in acute MI cases than controls [median 23.66 …
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The association between prematurity, motor fuction and health related quality of life among learners in the foundation primary phase
… within in a 100 km radius of Bloemfontein. Two groups of children in grades R, 1 and 2 (age range: 5-8 years) were recruited, the first group (PREM group) consisted of children having a history of premature birth (≤ 36 weeks). The second group consisted of full term children (FT group) who were …