QUALITATIVE RESEARCH: AN OVERVIEW Prof. Ahmed Mandil & Dr Salwa Tayel KSU College of Medicine...
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QUALITATIVE RESEARCH: AN OVERVIEW
Prof. Ahmed Mandil & Dr Salwa TayelKSU College of Medicine
October 2014
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Learning Objectives
• To compare between quantitative / qualitative approaches to research
• To understand basic concepts of qualitative research• To be introduced to some examples of qualitative
techniques and methods
October 23, 2014 Qualitative Research 2
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October 23, 2014 Qualitative Research
Headlines
• Quantitative vs. Qualitative approaches• Qualitative research:
– Characteristics– Methodologies – Ethical considerations
• How to / should we make a choice ?
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Consider these questions
• Why do people smoke ?• Why do people eat what they eat ?• Why don’t most people in our part of the
world exercise ?• How do people contract infection ?• How is such information useful ?
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October 23, 2014 Qualitative Research
Quantitative Approach
• A quantitative approach is one in which the investigator primarily uses claims for developing knowledge, i.e. cause and effect thinking, using specific variables, hypotheses and questions, using measurement and observation, and the testing theories (Creswell, 2003)
• There is no such think as qualitative data. Everything is either one or zero (Kerlinger, from Miles & Huberman 1994)
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Qualitative Research
• “… qualitative researchers study things in their natural settings, attempting to make sense of or interpret phenomenona in terms of the meanings people bring to them” (Denzin & Lincoln 2000)
• “All research ultimately has a qualitative grounding” (Campbell, from Miles & Huberman 1994)
October 23, 2014 Qualitative Research 6
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Why Qualitative ?
• Do we need qualitative approaches to research in health ?
• Social determinants of health report (2008): methodologies, implications and new horizons
• In depth understanding of causal pathways of health-related events (habits/RFs, CDs, NCDs, indicators)
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October 23, 2014 Qualitative Research
Comparing Approaches (I)
Qualitative• Understanding• Interview/observation• Discovering frameworks• Text (words), images, objects• Theory generating• Quality of informant more
important than sample size• Subjective• Embedded knowledge• Models of analysis: fidelity to
text or words of interviewees
Quantitative• Prediction• Survey/questionnaires• Existing frameworks• Numerical• Theory testing (experimental)• Sample size core issue in
reliability of data • Objective• Public• Model of analysis:parametric,
non-parametric
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October 23, 2014 Qualitative Research
Comparing Approaches (II)
Quantitative• Methods
– Observational– Experimental– Mixed – Sampling: Random (simple,
stratified, cluster, etc) or purposive
• Quality Assurance:– Reliability: Internal and
External– Validity: Construct, Content,
Face
Qualitative• Methods
– Focus Groups – Interviews– Surveys – Self-reports – Observations – Document analysis– Sampling: Purposive
• Quality Assurance:– Trustworthiness: Credibility,
Confirmability, Dependability, Transferability
– Authenticity: Fairness, Ontological, Educative, Tactical, Catalytic
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October 23, 2014 Qualitative Research
Characteristics of Qualitative Research
• Multi method in focus• “Naturalistic”• Finds the universal in the particular• Emergent• Interpretive • The researcher is the instrument• The researcher’s signature is apparent• Deals with local conditions not controlled
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October 23, 2014 Qualitative Research
Qualitative Research Questions
– In qualitative study inquirers state research questions, not objectives (i.e. specific goals for the research) or hypotheses (i.e. predictions that involve variables and statistical tests). (Creswell 2003)
– Example: How do students use program development tools?
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October 23, 2014 Qualitative Research
Choice of Methodology
Depends on: – Research Questions– Research Goals– Researcher Beliefs and Values– Researcher Skills– Time and Funds
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October 23, 2014 Qualitative Research
Examples of Qualitative Research Methodologies
• Focus group discussions• Key informant interviews• Ethnography • Case Study• Autobiography• Participatory Action Research• Phenomenology Each is grounded in a specific discipline and
philosophical assumptions
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October 23, 2014 Qualitative Research
Qualitative Methodologies (Example I)
• Ethnography– An ethnography is a description and
interpretation of a cultural or social group or system. The research examines the group’s observable and learned patterns of behaviour, customs, and ways of life
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October 23, 2014 Qualitative Research
Qualitative Methodologies (Example II)
• Case Study– … a case study is an exploration of a
‘bounded system’ … over time through detailed, in-depth data collection involving multiple sources of information rich in context. This bounded system is bounded by time and place, and it is the case being studied – a program, an event, an activity, or individuals
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October 23, 2014 Qualitative Research
Qualitative Research Techniques
• Participant observation (field notes)• Interviews / Focus groups• Video / Text and Image analysis (documents,
media data)• Surveys• User testing
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October 23, 2014 Qualitative Research
• Interviews
• Observation
Material Culture
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Qualitative Research Techniques
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October 23, 2014 Qualitative Research
Involves Skills of
• Observing
• Conversing
• Participating
• Interpreting
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October 23, 2014 Qualitative Research
Qualitative Techniques (I)
• Participant observation – Gains insight into understanding cultural patterns to
determine what’s necessary and needed in tool development (complementary to interviews)
• Interviews/Focus groups with stakeholders– Explores how tools are used and could be used in a novice
programming course– Gains insight into the meaning of tools for students for
learning to program
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October 23, 2014 Qualitative Research
Qualitative Techniques: (II)
• Data analysis– Themes arising from data would provide insight into
current “learning to program” issues and see what is important to students / teachers / administrators
• Survey – Useful for verifying results on a larger scale
• User Testing– Useful for triangulating results
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October 23, 2014 Qualitative Research
Data Analysis Steps
• Organize and prepare the data for analysis• Read all data, get a sense of the whole• Begin detailed analysis with coding process• Generate a description of the setting /people as well
as categories or themes for analysis• Represent themes (writing, visual, etc.)• Interpret and make meaning out of data• *iterative, non-linear process
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October 23, 2014 Qualitative Research
Ethical Considerations
• Consequences
• Rights and Responsibilities
• Social Justice
• Care
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Choosing a Quantitative vs Qualitative Approach
Qualitative (with informants) Quantitative (with subjects)
What do my informants know about their culture that I can discover?
What do I know about a problem that would allow me formulate / test a
hypothesis?
What concepts do my informants use to classify their experiences ?
What concepts can I use to test this hypothesis?
How do my informants define these concepts?
How can I operationally define these concepts?
What traditional theory do my informants use to explain their experience?
What scientific theory can explain the data?
How can I translate cultural knowledge of my informants into a cultural description
understood by colleagues?
How can I interpret the results and report them in the language of my colleagues
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Conclusion
• Is it better to continue comparing both approaches/methodologies?
• Rather, we may consider using both approaches in health research, in an integrated complementary fashion, using a mixed-methods approach, according to the research question
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October 23, 2014 Qualitative Research
• Often, the person most changed by the research is the researcher
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October 23, 2014 Qualitative Research
References
• Michaela Mora. Quantitative Vs. Qualitative Research – When to Use Which. 2010 available at http://www.surveygizmo.com/survey-blog/quantitative-qualitative-research
• Creswell JW. Qualitative inquiry and research design. Choosing among five traditions. Thousand Oaks, CA: SAGE, 1998
• Creswell JW. Research design. Qualitative, quantitative and mixed methods approaches. Thousand Oaks, CA: SAGE, 2003
• Denzin NK & Lincoln Y. Introduction: The discipline and practice of qualitative research. In: Denzin NK & Lincoln Y (Editors)., Handbook of qualitative research. 2nd edition. Thousand Oaks, CA: SAGE, 2000
• Ulin PR, Robinson ET, Tolley EE. Qualitative methods in public health. A guide for applied research. San Francisco: Jossey-Bass, 2005
• Higginbotham N, Albrecht G, Connor L. Health social science: A trandisciplinary and complexity perspective. Oxford, New York, Oxford University Press, 2001
• Silverman D. Doing qualitative research. 2nd edition. London, Thousand Oaks, New Delhi: SAGE Publications, 2005
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