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A Phenomenological Study Of Assessment Methods In The Inquiry -Based Science Classroom: How Do Educators Decide?, Gina G. Tash Jan 2009

A Phenomenological Study Of Assessment Methods In The Inquiry -Based Science Classroom: How Do Educators Decide?, Gina G. Tash

Walden Dissertations and Doctoral Studies

The purpose of this phenomenological study was to describe the experiences of science educators as they select and develop assessment methods for inquiry learning. Balancing preparations for standardized tests and authentic inquiry assessment experiences can be challenging for science educators. The review of literature revealed that current research focused on instructional methods and assessment, students' assessment experiences, and teachers' instructional methods experiences. There remains a gap in current literature regarding the experiences of science educators as they select and develop assessment methods for inquiry learning. This study filled the gap by providing a description of the experiences of science educators …

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Promoting Breast Cancer Screening Among Chinese American Women Through Young Children's Theatrical Performance, Angela Sun Jan 2009

Promoting Breast Cancer Screening Among Chinese American Women Through Young Children's Theatrical Performance, Angela Sun

Walden Dissertations and Doctoral Studies

Research has revealed that underutilization of breast cancer screening by ethnic minorities often is related to language difficulties and cultural values and beliefs about cancer. The problem addressed in this secondary data analysis was the late diagnosis of breast cancer in the Chinese immigrant community. The purpose of the quasi-experimental study was to test the efficacy of a theatrical preschool performance, guided by the diffusion of innovation theory, in educating Chinese American women about breast cancer detection. The research questions sought to determine whether the performance increased the participants' knowledge of breast cancer screening guidelines and whether country of origin, …

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Evaluating Earnings Management With Derivatives And The Use Of Accounting Accruals: A Quasi Experimental Approach, Margot S. Geagon Jan 2009

Evaluating Earnings Management With Derivatives And The Use Of Accounting Accruals: A Quasi Experimental Approach, Margot S. Geagon

Walden Dissertations and Doctoral Studies

Most companies listed on the S&P 500 index have reported smoothed earnings since the 1990s inspiring questions from regulators about the accuracy of financial statements. In 1998, the Financial Accounting Standards Board issued SFAS No. 133 (Accounting for Derivative Instruments and Hedging Activities) to establish accounting and reporting standards for derivative instruments. In 2002, the Sarbanes-Oxley Act (SOX) was issued to eradicate earnings management activities and improve transparency in financial reporting. Although many studies have been conducted to evaluate changes in reporting requirements, much less is known about the effectiveness of these regulations on earning smoothing with discretionary accruals (DA) …

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Nontraditional Physical Activity Courses: Perceptions Of Community College Leaders, Long B. Nguyen Jan 2009

Nontraditional Physical Activity Courses: Perceptions Of Community College Leaders, Long B. Nguyen

Walden Dissertations and Doctoral Studies

Innovative physical training practices and concepts such as yoga, Pilates, tai chi, cardio kickboxing, cardio spinning, and step aerobics have emerged to provide college students with alternative fitness exercises. However, due to unavailable research, community college administrative and curriculum leaders may perceive nontraditional physical activity courses as unrelated to the values of physical education. The purpose of this quantitative study was to explore the perceptions of chairpersons/deans and faculty in physical education regarding nontraditional physical activity courses as compared to sport-related courses offered in community college physical education programs. Educational change theories of beliefs, values, and decision-making structures provided the …

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Mandated Differentiated Instruction Effectiveness Examined, Kathlyn Joan Graham Jan 2009

Mandated Differentiated Instruction Effectiveness Examined, Kathlyn Joan Graham

Walden Dissertations and Doctoral Studies

Educational institutions are implementing curriculum mandates without data to support the benefits of the mandates to students. The purpose of this concurrent, mixed-method study, which utilizes quasi-experimental and case study approaches, was to address the effectiveness of mandated differentiated instruction in a suburban high school. This study investigated the significant differences in achievement before and after the implementation of differentiation as well as differences in achievement between a school that mandated the use of differentiation and one that did not. The study also investigated strategies used to implement differentiation and student and teacher attitudes toward it. For ninth grade literature …

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An Examination Of Cooperative Learning Models And Achievement In Middle And Secondary Level Social Studies, Jeffrey R. Niemi Jan 2009

An Examination Of Cooperative Learning Models And Achievement In Middle And Secondary Level Social Studies, Jeffrey R. Niemi

Walden Dissertations and Doctoral Studies

There is a lack of understanding of different cooperative learning methods and their effects on student achievement in middle and secondary level social studies education. The purpose of this quasi-experimental study was to compare two different cooperative learning models in terms of their effects on student achievement in middle level social studies classes. The research question addressed in this study involved understanding the nature of the relationships between different cooperative learning models, gender, ability level and achievement in social studies students. The two cooperative learning models compared were the structured dyad model, which was effective in studies on reading achievement, …

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Exploring Knowledge Loss In The Contact Center: Key Loss Areas, Contributing Factors, And Performance Metric Implications, Elizabeth M. Herman Jan 2009

Exploring Knowledge Loss In The Contact Center: Key Loss Areas, Contributing Factors, And Performance Metric Implications, Elizabeth M. Herman

Walden Dissertations and Doctoral Studies

Knowledge loss, or organizational forgetting, is often overlooked in knowledge management frameworks, yet it costs organizations money, personnel, efficiency, and customer service. The purpose of this mixed model case study was to understand, using a model of forgetting as the conceptual framework, where and why loss occurred and to examine performance implications. An inbound telephone contact center was studied because of prolific changes in that industry regarding knowledge complexity and performance. The researcher interviewed 20 participants, observed 63 calls, and reviewed 3 months of performance data including average handle time, first call resolution percentages, and time spent on after call …

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A Fuzzy Hierarchical Decision Model And Its Application In Networking Datacenters And In Infrastructure Acquisitions And Design, Michael Khader Jan 2009

A Fuzzy Hierarchical Decision Model And Its Application In Networking Datacenters And In Infrastructure Acquisitions And Design, Michael Khader

Walden Dissertations and Doctoral Studies

According to several studies, an inordinate number of major business decisions to acquire, design, plan, and implement networking infrastructures fail. A networking infrastructure is a collaborative group of telecommunications systems providing services needed for a firm's operations and business growth. The analytical hierarchy process (AHP) is a well established decision-making process used to analyze decisions related to networking infrastructures. AHP is concerned with decomposing complex decisions into a set of factors and solutions. However, AHP has difficulties in handling uncertainty in decision information. This study addressed the research question of solutions to AHP deficiencies. The solutions were accomplished through the …

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Foodborne Or Pandemic: An Analysis Of The Transmission Of Norovirus-Associated Gastroenteritis And The Role Of Food Handlers, M. S. Dreyfuss Jan 2009

Foodborne Or Pandemic: An Analysis Of The Transmission Of Norovirus-Associated Gastroenteritis And The Role Of Food Handlers, M. S. Dreyfuss

Walden Dissertations and Doctoral Studies

This study examined the strength of association between food workers and food to norovirus in comparison to bacteria associated with foodborne-related gastroenteritis by whether norovirus had a direct (physical evidence), indirect (statistical evidence), or suspect (neither of the two) association with food or food handlers. The Centers for Disease Control and Prevention considers norovirus to cause the largest number of foodborne-related gastroenteritis cases in the United States. The association of norovirus with foodborne outbreaks through its information data collection form focuses on the food worker as the typical source. Yet, many outbreaks are not foodborne in nature. The gap in …

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Social Interest And Self -Efficacy Levels Among High School Volunteer Mentors And Their Non -Mentor Peers: A Comparison Study, Courtney Brewer Jan 2009

Social Interest And Self -Efficacy Levels Among High School Volunteer Mentors And Their Non -Mentor Peers: A Comparison Study, Courtney Brewer

Walden Dissertations and Doctoral Studies

This study examined social interest, social self-efficacy, and general self-efficacy levels of high school volunteer mentors and their nonmentor peers. School-based peer mentoring has become a popular method for providing support services to students. While several studies examining mentee outcomes appeared in the past decade, less research has examined characteristics of the high school mentors involved. The choice of variables was grounded in Bandura's Social Learning Theory and Adler's Individual Psychology. Thirty-seven mentors and 32 nonmentors from a suburban New York high school completed the Social Interest Scale and the Self-efficacy Scale. Mentor volunteers scored significantly higher in social self-efficacy …

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Beliefs And Attitudes Regarding Health -Enhancing Behaviors In African American And Caucasian Women, Cassaundra Murray Jan 2009

Beliefs And Attitudes Regarding Health -Enhancing Behaviors In African American And Caucasian Women, Cassaundra Murray

Walden Dissertations and Doctoral Studies

A disproportionate number of African American (AA) women are overweight, obese, and more likely to have weight related health concerns compared with Caucasian (C) women. Previous research indicates perception about health-enhancing behaviors influences AA females' health behavior. A gap exists in the current literature regarding AA women's perception of eating and exercise behavior and the impact social support has on AA women's adherence to USDA recommendations. The purpose of this study was twofold: (1) to examine AA women's weight locus of control, perceived susceptibility to weight related diseases, and perceived barriers to healthy eating and exercise relative to C women; …

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Leadership As Role And Relationship In Social Dynamics: An Exploratory Study Seeking A Leadership Archetype, Brian W. Bridgeforth Jan 2009

Leadership As Role And Relationship In Social Dynamics: An Exploratory Study Seeking A Leadership Archetype, Brian W. Bridgeforth

Walden Dissertations and Doctoral Studies

Previous research on leadership as archetype considered archetype as metaphor and not as it is understood in other literatures as a collectively accepted and defined role within and across cultures. Archetypical theories are posited as useful because they help us understand universal aspects of human behavior; however, empirical research demonstrating archetypical thinking and behavior remains rare. Accordingly, this phenomenological study investigated whether a leadership archetype exists as a shared cognitive template and if so, what characteristics define it. The theoretical framework used to examine the phenomenon of leadership combined leadership theory, philosophy of the mind, Jungian psychology, social constructionist theory, …

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Factors Affecting Retention Of Veteran Classroom Teachers: A Q -Method Study, Theresa Hollingsworth Hafen Corry Jan 2009

Factors Affecting Retention Of Veteran Classroom Teachers: A Q -Method Study, Theresa Hollingsworth Hafen Corry

Walden Dissertations and Doctoral Studies

Teacher attrition compromises efforts to provide a quality teacher in every classroom, and attrition brings high financial and organizational costs to school districts. Yet, there are few studies on retention of veteran teachers. Within a framework of economic, organization, and attrition theories, the purpose of this study was to provide a clearer focus on factors that contribute to the retention of veteran teachers using Q-methodology. The independent variables were 49 participants from a large school district in the southwest United States. The dependent variable was the Q-sample of multiple factors. Using previous literature, a concourse was developed. The P-sample of …

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An Analysis Of The Impact Of Information Systems On The Level Of Trust In The Construction Industry, Michael Wayne Jones Jan 2009

An Analysis Of The Impact Of Information Systems On The Level Of Trust In The Construction Industry, Michael Wayne Jones

Walden Dissertations and Doctoral Studies

Even though the current level of communication and information sharing is greater than it has ever been throughout the history of the construction industry, the problem under investigation stems from the results of current research that indicate that many major projects have difficulty in achieving client expectations, resulting in a negative image of the construction industry. The purpose of this study was to analyze the impact on the level of trust in the use of information systems between construction firms and their clients. The theoretical foundations of this research were based in interdependence and coordination theories. While information systems enable …

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The Lived Experience Of Hiv-Positive Tanzanian Orphans, Carol A. Parker Jan 2009

The Lived Experience Of Hiv-Positive Tanzanian Orphans, Carol A. Parker

Walden Dissertations and Doctoral Studies

The purpose of this investigation was to generate a context- specific model of the lived experience of HIV positive Tanzanian orphans. With the advent of anti-retroviral drugs, Sub-Saharan African populations with high burdens of human immunodeficiency virus (HIV) face annually accumulating increases in the number of HIV positive children, and ultimately adults. Perinatally infected, these children often become orphans while still young. Extended interviews were performed with a purposive sample of 12 HIV infected orphaned children between 9 and 12 years of age. Half of the research participants lived in an orphanage and half were children living with guardians in …

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Listen To Me! An Exploration Of The Students' Voices Regarding Homework, Gladys Landing-Corretjer Jan 2009

Listen To Me! An Exploration Of The Students' Voices Regarding Homework, Gladys Landing-Corretjer

Walden Dissertations and Doctoral Studies

Research on students' voices and perspectives regarding homework is absent from the literature. This qualitative case study explored the perspectives of 5th and 6th grade students and ten teachers' perceptions regarding homework completion. The literature review revealed 3 trends in homework, including support homework, support against homework, and homework reform. However, most of this research considers the adults' perspective. The researcher administered 46 questionnaires and conducted 12 in depth interviews using a stratified purposive sample and extreme case sampling. The questionnaires and interviews educed the participants' perceptions and practices regarding homework. The students represented 4 distinct groups: English language learners, …

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The Intersection Of Punctuated Equilibrium And Leadership Emergence Within The Framework Of Naturalistic Decision Making, Linda Moerschell Jan 2009

The Intersection Of Punctuated Equilibrium And Leadership Emergence Within The Framework Of Naturalistic Decision Making, Linda Moerschell

Walden Dissertations and Doctoral Studies

Punctuated equilibrium, a theory of unexpected and sudden change arising out of evolutionary biology and paleontology, has been applied to decision sciences, physics, organizational theory, and group behavior but never to leadership emergence theories. The purpose of the study was to discover how leadership emerges during a period of punctuated equilibrium, a sudden and unexpected change event, using a naturalistic decision making framework. Thus, the research question probed how leadership emergence could be theoretically modeled in a critical event. This grounded theory study was particularly unique because it drew from, and helped unify the four scientific foundations of complexity science, …

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The Impact Of A First -Year Learning Community On Student Persistence: Perceptions Of Community College Students, David Gerkin Jan 2009

The Impact Of A First -Year Learning Community On Student Persistence: Perceptions Of Community College Students, David Gerkin

Walden Dissertations and Doctoral Studies

This descriptive case study explored the perceptions of former community college first year learning community participants on aspects of their learning community experience that affected their persistence in college using Astin's student involvement theory and Tinto's student persistence model as a conceptual framework. Learning communities have been shown to increase student persistence, but little is known about how they do so. A better understanding of how learning communities contribute to increased student persistence would improve learning community practice and gain administrative support for learning communities. This study used a mixed methods research design utilizing both qualitative and quantitative data. Qualitative …

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An Examination Of Differences Between Online Learning For Hispanic And Caucasian Community College Students, Edward J. Beyer Jan 2009

An Examination Of Differences Between Online Learning For Hispanic And Caucasian Community College Students, Edward J. Beyer

Walden Dissertations and Doctoral Studies

Hispanic students are enrolling in community colleges at an increasing rate, and they do not succeed in community college online courses at a rate comparable to Caucasian students. Increasing Hispanic success in online education could potentially enhance their socioeconomic status. Drawing from the theoretical frameworks of andragogy and constructivism, the purpose of this case study was to examine differences between Hispanic and Caucasian students in online learning and identify factors that might contribute to the reported differences in success across Hispanic and Caucasian online students. Research questions contrasted the impact of course design, Internet access, learning preferences, and motivation on …

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Intrapersonal And Community-Related Influences Of Rural Adolescent Pregnancy: A Mixed-Method Approach, Kimberly Becknel Brodie Jan 2009

Intrapersonal And Community-Related Influences Of Rural Adolescent Pregnancy: A Mixed-Method Approach, Kimberly Becknel Brodie

Walden Dissertations and Doctoral Studies

The majority of data on adolescent pregnancy pertains to urban communities, therefore, the individual and social influences associated with adolescent pregnancy in rural communities have not been extensively explored. The pregnancy rate among adolescent women aged 15 to 19 in rural Vance County, North Carolina, is 113.7 per 1,000, nearly twice the state average. This sequential mixed-method study used the social ecological model to evaluate the intrapersonal and community-related factors associated with adolescent pregnancy in this rural area. A quantitative survey assessed intrapersonal factors, namely sexual health knowledge, sex-related attitudes, and self-esteem in pregnant or parenting and nonpregnant or nonparenting …

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Personal And Professional Spirituality: Muslim Social Workers' Perspectives, Cheryl W. El-Amin Jan 2009

Personal And Professional Spirituality: Muslim Social Workers' Perspectives, Cheryl W. El-Amin

Walden Dissertations and Doctoral Studies

Research in the area of religion and spirituality in social work practice is lacking minority practitioner representation. This phenomenological study explored the questions of how American Muslim social workers define and experience the religious/spiritual, and perceive the propriety of integrating either, in practice. Ibn Khaldun and Durkheim, early social theorists, suggested that group feeling and affiliation impact personal and professional perception and decision making. American societal views of Muslims are often negative and uninformed. A group of 15 Muslim practitioners with bachelor's or more advanced degrees in social work were recruited through a survey administered via an Internet survey site. …

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The Effects Of An Integrated Behavioral Health Initiative On The Behavior Of Providers In An Ob/Gyn Primary Care Clinic, Dean Moritz Jan 2009

The Effects Of An Integrated Behavioral Health Initiative On The Behavior Of Providers In An Ob/Gyn Primary Care Clinic, Dean Moritz

Walden Dissertations and Doctoral Studies

The separation between behavioral services and traditional medicine is increasingly being seen as counterproductive on personal and societal levels. Despite this, there has been little research examining how integrated models blending mental and physical health services could be implemented. The literature revealed that behavioral interventions have been incorporated into traditional medical treatments, but this often has been piecemeal in nature and has yielded equivocal results. This study examined the assertion that effective integration between behavioral and medical services will increase the standard of care for the patient. Integration in this study was accomplished by colocating a psychologist on the primary …

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Job Design Factors In The Workplace That Support Successful Aging For Older Workers, Martha J. Sanders Jan 2009

Job Design Factors In The Workplace That Support Successful Aging For Older Workers, Martha J. Sanders

Walden Dissertations and Doctoral Studies

Increasing numbers of older adults are expected to return to the labor force to reap both the financial and social rewards of paid employment. However, little is known about how the workplace supports older workers' successful aging process. The purpose of this study was to examine how the design of a job (opportunities for decision making, use of a variety of skills, coworker support, and supervisor support) influences successful aging (having a sense of control over life, social networks, emotional support, and opportunities for generativity) in older workers (aged 55 and older) in the home building industry. The study explored …

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The Relationship Between Religious And Spiritual Factors And The Perpetration Of Intimate Personal Violence, Robbin G. Todhunter Jan 2009

The Relationship Between Religious And Spiritual Factors And The Perpetration Of Intimate Personal Violence, Robbin G. Todhunter

Walden Dissertations and Doctoral Studies

Intimate partner violence (IPV) is a multifaceted social issue that affects the Christian faith community as it does the secular community. Though the literature reflects some understanding of general correlates and possible antecedents to IPV within the Christian community, the impact of religious and spiritual factors tends to be homogenized and is often misjudged. Allport's theory of intrinsic and extrinsic religious orientation provided a platform for investigating Christian male-perpetrated IPV. This quantitative study utilized survey design and measured the impact of 10 select religious and spiritual factors on the probability of physical or sexual IPV perpetration. Archival data from Wave …

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Predicting Inter -Organizational Knowledge Satisfaction Through Knowledge Conversion And Task Characteristics In A Minority -Owned Business, Terrence L. Ward Jan 2009

Predicting Inter -Organizational Knowledge Satisfaction Through Knowledge Conversion And Task Characteristics In A Minority -Owned Business, Terrence L. Ward

Walden Dissertations and Doctoral Studies

Knowledge management has been extensively studied from the single organization (intra-organizational) perspective for many years. Although the literature on intra-organizational knowledge is extensive, there still exist gaps in the literature with regards to knowledge being shared by multiple organizations (inter-organizational knowledge). Inter-organizational knowledge satisfaction is gained when the organizations successfully embody the knowledge gained via the cooperation and crystallizes that knowledge within the organization. The problem addressed in this study is the lack of a model for predicting inter-organizational knowledge satisfaction utilizing task characteristics and the knowledge conversion process. The purpose of the study was to predict inter-organizational knowledge satisfaction …

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The Phenomenology Of Self -Injurious Behavior, William Hosmer Jan 2009

The Phenomenology Of Self -Injurious Behavior, William Hosmer

Walden Dissertations and Doctoral Studies

Self-injurious behavior (SIB; e.g., wrist-cutting, burning) is a pervasive coping phenomenon that may be indicative of dysfunctional affect regulation and complex developmental trauma. Previous research findings identify the incidence rate of SIB to be approximately 10% to 15% of the general population with 5% to 10% of those engaging in repetitive or recurring SIB. Other sources identify approximately 2 million individuals active in this behavior within the United States; 70% of those individuals are female. However, limited research has used internet technology as a data gathering tool to access individuals who have engaged in SIB and are apprehensive to participate …

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Interaction Within Individualized Education Program Meetings: Conversation Analysis Of A Collective Case Study, Christopher Charles Plum Jan 2009

Interaction Within Individualized Education Program Meetings: Conversation Analysis Of A Collective Case Study, Christopher Charles Plum

Harold L. Hodgkinson Award for Outstanding Dissertation

Current research provides little insight into interaction during Individual Education Program (IEP) meetings. This lack of insight may impede decision-making regarding student placement. This collective case study addressed that problem by analyzing interactions of participants in IEP meetings. Rooted in a conversation analytic (CA) theoretical framework, research questions centered on ways IEP teams interacted, oriented to identities, and ascribed to potential power asymmetries, with analysis focused on talk preceding a child's educational placement. Six hours of IEP meeting footage from 13 meetings distributed across 3 Detroit area charter schools were transcribed in CA Jeffersonian notation and analyzed using CA methodology. …

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Changing The Negative Behavioral And Development Outcomes To A Toxic Prenatal Environment Through Maternal Education, Angela Eileen Laughlin Lebedev Dec 2008

Changing The Negative Behavioral And Development Outcomes To A Toxic Prenatal Environment Through Maternal Education, Angela Eileen Laughlin Lebedev

Walden Dissertations and Doctoral Studies

The purpose of this study was to evaluate the effectiveness of current education materials on changing maternal smoking attitudes. Children are affected by prenatal exposure to tobacco smoke. Although there are educational efforts to discourage pregnant women from smoking, the practice continues in a significant number of pregnancies. New materials, based on current research, were also evaluated for effectiveness. The theoretical framework for this study was adult learning theory presented by Knowles which made the assumption that an individual is shaped by environmental systems, that adult learning is affected by previous knowledge they bring to the learning and that adults …

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Improved Decision Tree Methodology For The Attributes Of Unknown Or Uncertain Characteristics – Construction Project Prospective, Vijaya S. Desai May 2008

Improved Decision Tree Methodology For The Attributes Of Unknown Or Uncertain Characteristics – Construction Project Prospective, Vijaya S. Desai

International Journal of Applied Management and Technology

Increasing use of computers, leads to accumulation of data of an organization, demanding the need of sophisticated data handling techniques. Many data handling concepts have evolved that support data analysis, and knowledge discovery. Data warehouse and Data mining techniques are playing an important role in the area of data analysis for knowledge discovery. These techniques typically address the four basic applications such as data classification, data clustering, association between data and finding sequential patterns between the data. Various algorithms that address to classification on large data sets have proved to be efficient in classifying the variables of known or certain …

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An Integrated Model For Optimization Of Production-Distribution Inventory Levels And Routing Structure For A Multi-Period, Multi-Product, Bi-Echelon Supply Chain, P. Parthiban, M. Punniyamoorthy, P.D.D. Dominic May 2008

An Integrated Model For Optimization Of Production-Distribution Inventory Levels And Routing Structure For A Multi-Period, Multi-Product, Bi-Echelon Supply Chain, P. Parthiban, M. Punniyamoorthy, P.D.D. Dominic

International Journal of Applied Management and Technology

In many multi-stage manufacturing supply chains, transportation related costs are a significant portion of final product costs. It is often crucial for successful decision making approaches in multi-stage manufacturing supply chains to explicitly account for non-linear transportation costs. In this paper, we have explored this problem by considering a Two-Stage Production-Transportation (TSPT). A two- stage supply chain that faces a deterministic stream of external demands for a single product is considered. A finite supply of raw materials, and finite production at stage one has been assumed. Items are manufactured at stage one and transported to stage two, where the storage …

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