Rm 1 Intro Types Research Process
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Transcript of Rm 1 Intro Types Research Process
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Research Methodology
An Introduction
Ashok Karri
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Research Methodology A search for knowledge A scientific and systematic search for
pertinent information on a specific topic A systematized effort to gain new
knowledge Research as an academic activity comprises
– defining and redefining problems, formulating hypothesis; collecting organizing and evaluating data; making deductions and reaching conclusions.
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Definition
Research is the systematic process of collecting and analyzing information (data) in order to increase our understanding of the phenomenon about which we are concerned or interested.
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Research Methodology
The search for knowledge through objective and systematic method of finding solution to a problem is research.
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Objectives of research
The purpose of research is to discover answers to questions through the application of scientific procedures
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Objectives of research
To gain familiarity with a phenomenon or to achieve new insights into it (studies with this objective are known as explorative or formulative studies)
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Objectives of research
To portray accurately the characteristics of a particular individual, situation or a group (studies with this object in view are known as descriptive studies)
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Objectives of research
To determine the frequency with which something occurs or with which it is associated with something else
(known as diagnostic studies)
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Objectives of research
To test a hypothesis of a causal relationship between variables (known as hypothesis testing)
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Types of Research
1. Descriptive vs. Analytical2. Applied vs. Fundamental3. Quantitative vs. Qualitative4. Conceptual vs. Empirical
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1.Descriptive vs. AnalyticalThe major purpose of the descriptive research
is description of the state of affairs as it exists; usually includes surveys and fact-finding enquiries. The main characteristic here is that the researcher has no control over the variables – he can only report what has happened or what is happening. Ex: survey methods to identify people’s preferences. In analytical research, the researcher has to use facts or information already available and analyze these for critical evaluation.
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2. Conceptual vs. Empirical
Conceptual research is related to some abstract idea or theory. Used by philosophers and thinkers.
Empirical research relies on experience or observation alone; it is data based research;
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3. Quantitative vs. Qualitative
Quantitative research is based on the measurement of quantity – it is applicable to phenomena that can be expressed in terms of quantity.
Qualitative research is concerned with qualitative phenomena – relating to or involving quality or kind. Ex.-motivation research.
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4. Applied vs. Fundamental
Research can either be applied (action) research or fundamental (basic or pure). Applied research aims at finding a solution for an immediate problem facing society or an organization, whereas, fundamental research is mainly concerned with generalizations and with formulation of a theory.
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Research Process
Research Process consists of series of actions or steps necessary to effectively carry out research.
The process consists of closely related activities; such activities overlap continuously rather than following a strictly prescribed sequence.
The steps are as follows:
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Research Process1. Formulating the research problem2. Extensive literature survey3. Development of working hypothesis4. Preparing the research design5. Determining sample design6. Collecting the data7. Execution of the project8. Analysis of data9. Hypothesis-testing10. Generalization and Interpretation11. Preparation of the Report
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1. Formulating the Research Problem
Two types of problems: Problems which related to state of
nature Problems which relate to relationships
between variablesThe formulation of a general topic into a
specific research problem is the first step in scientific enquiry
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Formulating the Research Problem…
Two steps in formulating the research problem:
Understanding the problem thoroughly
Rephrasing the same into meaningful terms from an analytical point of view
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Formulating the Research Problem…
Must review two types of literature: The Conceptual literature concerning
concepts and theories The Empirical literature consisting of
earlier studies, which are similar to the one proposed
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Formulating the Research Problem…
Formulating/defining a research problem is of great importance and significance in the entire research process
The problem must be defined unambiguously
Must verify the objectivity and validity of background facts concerning the problem
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2. Extensive Literature Review
Abstracting/Indexing journals Published/Unpublished bibliographies Academic journals Conference proceedings Govt. Reports Books
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3. Development of Working Hypothesis
The researcher should state, in clear terms the working hypothesis
Working Hypothesis is a tentative assumption made in order to draw out and test its logical or empirical assumptions
Hypothesis is the focal point of the research, for ex: “students who receive counseling will show a greater increase in creativity than students not receiving counseling” or “car A is performing as well as car B”
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Functions of a Hypothesis
It guides the direction of the study.
It identifies facts that are relevant and those that are not.
It suggests which form of research design is likely to be most appropriate.
It provides a framework for organizing the conclusions that result
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4. Preparing the Research DesignNeed to prepare a research design – a conceptual
structure within which the research would be conducted
The primary objective of the research design is to collect the relevant data
Research Purposes may be grouped into4. Exploration5. Description6. Diagnosis7. Experimentation
Many research designs exist.
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5. Determining the Sample Design
All the items under consideration in any field constitute a “Universe” or “Population”
A complete enumeration of all the items in the “population” is known as a “census enquiry”
Since a complete census enquiry is not possible generally, we select a ‘sample’ – a few items from the “universe” for our study
Researcher selects the sample by using ‘sampling design’ – a definite plan determined before any data is actually collected
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Types of Sampling
1. Deliberate Sampling2. Simple Random Sampling3. Systematic Sampling4. Quota Sampling5. Stratified Sampling6. Cluster/area Sampling7. Multi-stage Sampling8. Sequential Sampling
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6. Collecting the DataNeed to collect appropriate dataPrimary data can be collected thru experiment or surveyIn experiment, he observes some quantitative
measurements (data), with which the hypothesis is tested
In Survey, data can be collected by the following methods:
v. Observationvi. Personal Interviewvii. Telephone Interviewviii. Mailing Questionnairesix. Through Schedules
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7. Execution of the Project
The research study must be executed in a systematic manner to ensure that adequate and dependable data are collected.
Should be rigorously methodological
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8. Analysis of DataRequires that the data be necessarily condensed into
manageable groups and tables for further analysesShould classify the new data into some purposeful and
usable categoriesCoding is done at this stageTabulation – classified data are put into tablesAnalysis, after tabulation is based on the computation of
various percentages, coefficients, etc. by applying statistics
Tests of significance would be applied wherever relevant
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9. Hypothesis Testing
Do the data support the hypothesis or they contrary?
Chi Square test, t-test, f-test are normally used
Hypothesis testing will result in either accepting the hypothesis or in rejecting it
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10. Generalization & Interpretation
To arrive at a generalization, that is, to build a theory
Or to interpret the data in terms of existing state of knowledge (theories)
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11. Preparation of Report/Thesis
Has to prepare the reportThe layout of the report is as follows: The prefatory part The Main Body/Text The Supplemental Part
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The Prefatory Part
Title page Certification Acknowledgments Preface Contents page
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The Main Body
Introduction Summary of Findings Main Report conclusion
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The Supplemental Part
References, or Bibliography Appendices Index
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Good Research Requires The scope and limitations of the work to be clearly defined.
The process to be clearly explained so that it can be reproduced and verified by other researchers.
A thoroughly planned design that is as objective as possible.
Highly ethical standards are applied.
All limitations are documented.
Data be adequately analyzed and explained.
All findings are presented unambiguously and all conclusions be justified by sufficient evidence.