Qualitative and quantitative methods of research
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The document compares and contrasts qualitative and quantitative research methods. It discusses that qualitative research aims to understand social interactions through smaller, non-randomly selected samples, while quantitative research seeks to test hypotheses and make predictions using larger, randomly selected samples and specific variables. It also outlines the different types of data collected, forms of analysis, roles of researchers, and final reporting structures between the two methods.
Qualitative and quantitative methods of research
- 1. Jordan Albert J. Cruz, RNQualitative and Quantitative Methods of Research
- 2. Qualitative versus QuantitativePurposeQuali: To understand & interpret social interactions.Quanti: To test hypotheses, look at cause & effect, & make predictions.
- 3. Qualitative versus QuantitativeGroup StudiedQuali: Smaller & not randomly selected.Quanti: Larger & randomly selected.
- 4. Qualitative versus QuantitativeVariablesQuali: Study of the whole, not variables.Quanti: Specific variables studied
- 5. Qualitative versus QuantitativeType of Data CollectedQuali: Words, images, or objects.Quanti: Numbers and statistics.
- 6. Qualitative versus QuantitativeForms of Data CollectedQuali: Qualitative data such as open - ended responses, interviews, participant observations, field notes, & reflections.Quanti: Quantitative data based on precise measurements using structured & validated data-collection instruments.
- 7. Qualitative versus QuantitativeRole of the ResearcherQuali: Researcher & their biases may be known to participants in the study, & participant characteristics may be known to the researcher.Quanti: Researcher & their biases are not known to participants in the study, & participant characteristics are deliberately hidden from the researcher (double blind studies).
- 8. Qualitative versus QuantitativeResultsQuali: Particular or specialized findings that is less generalizable.Quanti: Generalizable findings that can be applied to other populations.
- 9. Qualitative versus QuantitativeScientific MethodQuali: Study of the whole, not variables.Quanti: Specific variables studied
- 10. Qualitative versus QuantitativeFinal ReportQuali: Narrative report with contextual description & direct quotations from research participants.Quanti: Statistical report with correlations, comparisons of means, & statistical significance of findings.
- 11. Qualitative versus QuantitativeWhat is to be observed?Quali: ¤ Qualities ¤ Behavior ¤ ComplexitiesQuanti: ¤ Quantities ¤ Scales ¤ Trends
- 12. Qualitative versus QuantitativeWhat are the type of questions asked?Quali: ¤ Why? ¤ How?Quanti: ¤ How many ¤ What
- 13. Qualitative versus QuantitativeHow are the questions are put (methods)?Quali: ¤ Document review ¤ Participant observations ¤ Interviews ¤ Focus group ¤ WorkshopsQuanti: ¤ Application forms ¤ Questionnaires ¤ IQ Tests ¤ Measurements
- 14. Qualitative versus QuantitativeHow the results are interpreted (analysis)?Quali: ¤ Explore, explain, understand ¤ Narrative ¤ Particular ¤ Mainly inductive reasoning: conclusions can be drawn from the evidence no matter how incompleteQuanti: ¤ Describe, measure, predict ¤ Statistical tables and chart ¤ Universal ¤ Mainly deductive reasoning: everything is known before conclusions can be drawn
- 15. Major Classes of Quantitative and Qualitative Research
- 16. Quantitative ResearchExperimental Studies Researchers actively introduce an intervention or treatment Designed to test causal relationships Greater control over extraneous variables
- 17. Quantitative ResearchNon-Experimental Studies Researchers collects data without making changes or introducing treatments Lesser control over extraneous variables
- 18. Examples: The effects of a submaximal exercise protocol, in comparison with a near-maximal voluntary contraction protocol, on continence control and muscle contraction strength among women with genuine stress urinary incontinence.
- 19. Examples:Factors that contributed to hospital readmission in a HongKong hospital. A readmitted group was compared with a non readmitted group of patients in terms of demographic characteristics and health conditions upon admission.
- 20. Qualitative ResearchRooted in research traditions that originate in the disciplines of anthropology, sociology, and psychology.
- 21. Qualitative ResearchGrounded Theory Study Roots in sociology Seeks to describe and understand the key social psychological and structural processes that occur in a social setting Focus developing social experience
- 22. Qualitative ResearchComponent discovery of a core variable that is central in explaining what is going on in that social sceneGenerate comprehensive explanations of phenomena that are grounded in realityExample:A study to explain the material process of managing late stages of breastfeeding and weaning the child from the breast
- 23. Qualitative ResearchPhenomenology Roots in both philosophy and psychology Concerned with the lived experiences of humans Approach to thinking about what life experiences of people are like and what they mean What is the essence of this phenomenon as experienced by these people?
- 24. Qualitative ResearchExample:A study to illuminate the lived experiences of care providers who were highly skilled communicators in their relationships with patients with stroke and aphasia.
- 25. Qualitative ResearchEthnographyPrimary research tradition within anthropologyProvides a framework for studying the meanings, patterns, and experiences of a defined cultural group in a holistic fashionEngaged in extensive fieldwork, often participating to the extent possible in the life of the culture under study
- 26. Qualitative Research Broadly defined culture Haitian refugee communities Narrowly defined culture The Culture of Emergency Departments Aim to learn from (rather than to study) members of a cultural group, to understand their world view as they perceive and live it
- 27. Qualitative ResearchExample: An analysis of a nursing home residence, focusing on the ethical issues of daily living affecting nursing home residents with dementia
- 28. Major Steps in Quantitative Research Researchers move from beginning point of a study (the posing of a question) to the end point (the obtaining of an answer) in a linear sequence of steps
- 29. Major Steps in Quantitative ResearchPhase 1: The Conceptual Phase Activities include reading, conceptualizing, theorizing, reconceptualising and reviewing ideas with colleagues or advisers Skills include creativity, deductive reasoning, insight, and a firm grounding in previous research on the topic of interest
- 30. Major Steps in Quantitative Research Step 1. Formulating and Delimiting the Problem Step 2. Reviewing the Related Literature Step 3. Undertaking Clinical Fieldwork Step 4. Defining the Framework and Developing Conceptual Definitions Step 5. Formulating Hypothesis
- 31. Major Steps in Quantitative ResearchPhase 2: The Design and Planning Phase The methods and procedures to be used to address the research question and plan for the actual collection of data
- 32. Major Steps in Quantitative Research Step 6. Selecting a Research Design Step 7. Developing Protocols for the Intervention Step 8. Identifying the Population to be Studied Step 9. Designing the Sampling Plan
- 33. Major Steps in Quantitative Research Step 10. Specifying methods to Measure the Research the Research Variables Step 11. Developing Methods for a Safeguarding Human/Animal Rights Step 12. Finalizing and Reviewing the Research Plan
- 34. Major Steps in Quantitative ResearchPhase 3: The Empirical Phase Involves collecting research data and preparing those data for analysis
- 35. Major Steps in Quantitative Research Step 13. Collecting the Data Step 14. Preparing the Data for Analysis
- 36. Major Steps in Quantitative ResearchPhase 4. The Analytic Phase Analysis and interpretation of data
- 37. Major Steps in Quantitative Research Step 15. Analyzing the Data Step 16. Interpreting the Results
- 38. Major Steps in Quantitative ResearchPhase 5: The Dissemination Phase
- 39. Major Steps in Quantitative Research Step 17. Communicating the Findings Step 18. Utilizing the Findings in Practice
- 40. Activities in Qualitative Research Begin with a broad question regarding the phenomenon of interest, often focusing on a little studied aspect More flexible and less linear
- 41. Activities in Qualitative ResearchConceptualizing and Planning a Qualitative Study Identifying the Research Problem Doing Literature Reviews Selecting and Gaining Entree Into Research Sites Research Designs in Qualitative Studies
- 42. Activities in Qualitative ResearchConducting the Qualitative Study Once in the field, researchers select informants collect data, and then analyze and interpret them in an iterative fashion; Field experiences help in an ongoing fashion to shape the design of the study Early analysis leads to refinements in sampling and data collection, until saturation (redundancy of information) is achieved
- 43. Activities in Qualitative ResearchDisseminating Qualitative Findings Used to shape the direction of further studies (including more highly controlled quantitative studies) Guide the development of structured measuring tools for clinical and research purposes Shape the researcher’s perceptions of a problem or situation and their conceptualizations of potential solutions
- 44. E N DThanks!