what are the different types of models used in operation research?
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The seven types are: (a) queueing problems, (b) inventory problems, (c) allocation problems (d) scheduling and routeing, (e) replacement and maintenance, (f) search problems, (g) competition.
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['Types of Research.', 'Major Types of Research • • • • • • • • Descriptive Research Analytical Research Applied Research Basic Research Quantitative Research Qualitative Research Conceptual Research Non-Scientific Methods.']
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Two broad categories of organizational models include project based and non-project based. In project-based organizations, the organizational model is developed around completing projects. In non-project-based organizations, something other than project completion drives the organization.
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There are three main models of data modeling like conceptual, logical, and physical. A conceptual model is used to establish the entities, attributes, and relationships. A logical data model is to define the structure of the data elements and set the relationship between them.
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All the models of organizational behaviour are broadly classified into four types: autocratic, custodial, supportive and collegial. We discuss these four models beginning with the autocratic.
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There are three major types of planning, which include operational, tactical and strategic planning.
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There are three basic types—qualitative techniques, time series analysis and projection, and causal models. The first uses qualitative data (expert opinion, for example) and information about special events of the kind already mentioned, and may or may not take the past into consideration.
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Research approach can be divided into three types: Deductive research approach. Inductive research approach. Abductive research approach.
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There are three main types of research design: Data collection, measurement, and analysis. The type of research problem an organization is facing will determine the research design and not vice-versa.
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['Hierarchical Model.', 'Network Model.', 'Entity-Relationship Model.', 'Relational Model.', 'Object-Oriented Data Model.', 'Object-Relational Data Model.', 'Flat Data Model.', 'Semi-Structured Data Model.']
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['Analytic-Synthetic Method. The analytic-synthetic methods refers to the analysis and synthesis processes. ... ', 'The Inductive-Deductive Method. ... ', 'Hypothetico-Deductive Method. ... ', 'Historical-Logical Method. ... ', 'The Genetic Method. ... ', 'An Analogy and Analogical Method. ... ', 'Modeling Method. ... ', 'The Systemic-Functional Method.']
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There are three operational elements: activity management, operational environment, and event management. All five structural and operational elements are examined in the subsections that follow.
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['Factor estimating. ... ', 'Parametric estimating. ... ', 'Equipment factored estimating. ... ', 'Lang method. ... ', 'Hand method. ... ', 'Detailed estimating.']
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[' Unit or Job type of production.', ' Batch type of Production.', ' Mass Production or Flow production.', ' Continuous production or Process production.']
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['Introduction.', 'Aims and Objectives.', 'Methodology.', 'Literature Review.', 'Research Constraints.']
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['Common types of decision-making processes.', 'Majority decision-making process.', 'Hierarchical decision-making.', 'Proportional decision-making.', 'Consensus decision-making.', 'Consensus Decision-Making Flow Chart.']
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['The Medical Model. is the oldest of the three models. Looks at symptoms, illness and sickness. ... ', 'The Public Health Model. Looks at how illness affects population. Focus is on education, prevention and nutrition. ... ', 'The Human Service Model. Looks at the client and their environment.']