This document provides an overview of mixed methods research. It defines mixed methods as an approach that involves collecting and analyzing both quantitative and qualitative data to better understand research problems. The document discusses key aspects of mixed methods research such as common designs, advantages and challenges. It also covers topics like paradigm assumptions, strategies for mixing methods, and evaluating mixed methods studies. Major mixed methods designs introduced include convergent parallel, explanatory sequential, and exploratory sequential designs.
Definition
A procedure used to collect both qualitative and quantitative data.
This is done due to the fact that it is believed that both types of studies will provided a clearer understanding of what is being studied.
“It consists of merging ,integrating ,linking ,or embedding the two “strands””(Ceswell,2012).
Mixed methods are very important in the Education field.
In mixed methods, both approaches, quantitative & qualitative are used. In mixed methods, the researcher gets advantages of both approaches & the research becomes more meaningful & comprehensive. In this presentation, types of mixed methods, when to use mixed methods, and examples of different types of mixed methods are discussed. The information given is from the famous book written by J.W. Cresswell.
Grounded Theory: A specific methodology developed by Glaser and Strauss (1967) for the purpose of building theory from data. In their book the term grounded theory is used in a more sense to denote theoretical constructs derived form qualitative analysis of data.
Definition
A procedure used to collect both qualitative and quantitative data.
This is done due to the fact that it is believed that both types of studies will provided a clearer understanding of what is being studied.
“It consists of merging ,integrating ,linking ,or embedding the two “strands””(Ceswell,2012).
Mixed methods are very important in the Education field.
In mixed methods, both approaches, quantitative & qualitative are used. In mixed methods, the researcher gets advantages of both approaches & the research becomes more meaningful & comprehensive. In this presentation, types of mixed methods, when to use mixed methods, and examples of different types of mixed methods are discussed. The information given is from the famous book written by J.W. Cresswell.
Grounded Theory: A specific methodology developed by Glaser and Strauss (1967) for the purpose of building theory from data. In their book the term grounded theory is used in a more sense to denote theoretical constructs derived form qualitative analysis of data.
This course is designed to provide postgraduate students with an in-depth analysis of the methods and procedures of research in education. The course will introduce students to qualitative, quantitative, and mixed methods research approaches in education. Students will develop a broad understanding of these methods and how/when they should be employed. Specific topics will include conceptualizing educational research, constructing measurement instruments, collecting and analyzing qualitative and quantitative data, drawing inferences, and writing research proposals. As a depth requirement, students will employ one specific method in the design and possible implementation of a small research study which they will present orally and as a written formal research proposal or article.
Research Methods in Library and Information Science: Trends and Tips for Rese...OCLC
Connaway, Lynn Silipigni. 2017. "Research Methods in Library and Information Science: Trends and Tips for Researchers, Students, & Professionals." Presented at the University of Hong Kong, Hong Kong, March 31, 2017.
Research Methods in Library and Information Science: Trends and Tips for Rese...Lynn Connaway
Connaway, Lynn Silipigni. 2017. "Research Methods in Library and Information Science: Trends and Tips for Researchers, Students, & Professionals." Presented at the University of Hong Kong, Hong Kong, March 31, 2017.
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2. DISCLOSURE
I disclose that the most part of content in this presentation is
adapted from the following reference.
• Creswell, J. W., & Plano Clark, V. L. (2017). Designing and conducting
mixed methods research (3rd edition). Thousand Oaks, CA: Sage
Publications.
3. LEARNING OBJECTIVES
• Define mixed methods research
• Discuss research problems which fit mixed methods
• Outline advantages of and challenges in using mixed methods
• Discuss choosing a mixed methods design
• Introduce major mixed method designs
• Evaluate a mixed method study
4. INTRODUCTION
• Acquire knowledge and understand realities
• Research and research paradigm
• Paradigm is “the set of common beliefs and agreements shared
between scientist about how problems should be understood and
addressed (Kuhn, 1970)
• Research paradigms can be characterized by the way scientists
respond to three basic questions: ontological, epistemological
and methodological questions (Guba, 1990)
5. BASIC QUESTIONS OF PARADIGM
• Ontological question
• What is reality?
• Epistemological question
• What and how can we know reality/knowledge?
• Methodological Question
• What procedures can we use to acquire knowledge?
6. RESEARCH PARADIGMS
• Different research paradigms
• Positivism
• Interpretivism (Constructivism)
• Pragmatism
• Critical theory (ideology)
• Realism
8. RESEARCH APPROACHES
• Emergence of research methodology approaches
• Quantitative research approach (1900-1940)
• Qualitative research approach (1960-2000)
• Mixed approach (1980-2000)
9. Assumptions of Approach Quantitative Research Approach Qualitative Research Approach
Ontological
Perception of reality
Single objective world Multiple subjectivity derived realities
coexist
Epistemological
Theory of knowledge
Researchers are independent from the
variables under study
Researchers interact with phenomenon
Axiology
Study of underlying values
Researchers act in a value-free and
unbiased manner
Researchers act in a value-laden and
biased fashion
Rhetorical
Use of language
Use impersonal, formal and rule-based
text
Use personalised, informal and context-
based language
Methodological
Researcher use deduction, cause-and-
effect relationship and context-free
methods
Research use induction, multi process
intervention, context-specific method
11. • Several definitions for mixed methods
• Focus of the definition
• Research paradigms
• Research methodology
• Research methods
• Research purpose
DEFINITION OF MIXED METHODS
12. DEFINITION
Mixed methods
A research design with philosophical assumptions as well as methods of inquiry
As a methodology, involves philosophical assumptions that guide the direction of
collection and analysis and the mixture of qualitative and quantitative approaches
in many phases of the research process.
As a method, focuses on collecting, analysing, and mixing both quantitative and
qualitative data in a single study or series of studies. Its central premise is that
the use of quantitative and qualitative approaches, in combination, provides a
better understanding of research problems than either approach alone
(Creswell and Plano Clark, 2017; 5)
14. MIXED METHODS
• What is NOT mixed methods research?
• Simply using the name without the rigorous methods
• Having both quantitative and qualitative data available
• Collecting and reporting quantitative and qualitative data
separately without combining them
• Using multiple quantitative approaches or multiple qualitative
approaches
15. MIXED METHOD CORE FEATURES
• Collect and analysis both quantitative and qualitative data in
response to research question
• Using rigorous quantitative and qualitative methods
• Combing or integrating quantitative and qualitative data
• Development and using a specific type of mixed methods design
• Framing the mixed methods design within a broader framework
(theory or philosophy)
17. PROBLEMS FIT MIXED METHODS
• One data source insufficiency
• Explain initial results
• Generalise exploratory findings
• Enhance a study with a second method
• Best employ a theoretical stance
• Understand a research object through multiple research phases
18. MIXED METHODS ADVANTAGES
• Offset the weakness of quantitative and qualitative research
• Personal interpretation and the researcher bias
• Difficulty in generalising findings due to small sample size
• Enable to use all available data collection tools
• Answer to questions (not answer by one of the research approaches)
• Bridge across divide between qualitative and quantitative
• Using multiple paradigms
19. CHALLENGES IN MIXED METHODS
• Researcher skills
• Experience with both quantitative and qualitative research
• Time and resources
• Feasible in terms of time length and expenses
• Convincing others
• Object to relatively new approach
21. MIXED METHODS DESIGNS
• Mixed methods designs are procedures for conducting a study
• Equivalent to RCTs in quantitative research or ethnographies in
qualitative research
22. PRINCIPLES FOR DESIGNING
• Recognise that mixed methods design can be fixed or emergent
• Identify an approach to design (typology-based or dynamic)
• Match the design to the research problem, purpose and question
• Be explicit about the reasons for mixing methods
23. STUDY STRANDS
• Example of quantitative and qualitative strands in a mixed methods study
Quantitative
State quantitative Question
Collected quantitative data
Analyse quantitative data
Interpret quantitative results
Qualitative
State qualitative Question
Collected qualitative data
Analyse qualitative data
Interpret qualitative results
Overall
interpretation
Adapted from Creswell and Clark, 2017
24. KEY DECISIONS
• Four key decisions in choosing a mixed methods design
• Level of interaction between quantitative and qualitative strands
• Priority of the quantitative and qualitative strands
• Timing of the quantitative and qualitative strands
• Where and how to mix the quantitative and qualitative strands
26. PRIORITY OF TWO METHODS
• Three possible weighting options for a mixed method design
• Equal priority
• Quantitative priority
• Qualitative priority
27. TIMING OF TWO METHODS
• Timing is classified into three ways
• Concurrent timing
• Sequential timing
• Multiphase combination timing
28. WHERE AND HOW TO MIX
• Mixing strategies
• Mixing during interpretation
• Mixing during data analysis
• Mixing during data collection
• Mixing at the level of design
30. CONVERGENT PARALLEL DESIGN
Quantitative data
collection and analysis
Qualitative data
collection and analysis
interpretation
Compare or
relate
Adapted from Creswell and Clark, 2017
31. • Collect and analyse two independent strands of quantitative and
qualitative data at the same time, in a single phase
• Prioritize the methods equally
• Keep the data analysis independent
• Mix the results during the overall interpretation
• Try to look for convergence, divergence, contradictions, or
relationships of two sources of data
CONVERGENT PARALLEL DESIGN
32. • In quantitative and Qualitative studies
• Research questions create parallel
• Different or same sample groups
• Equal or unequal sample sizes
• Data collets from one source or different sources of data
• Merged data analysis strategies
• Side-by-side comparison
• Joint display
• Data transformation merged analysis
CONVERGENT PARALLEL DESIGN
33. • Purpose
• Better understanding and more development of the research problem
by obtaining different complementary data
• Validation purpose
• Example: A study of Iran University of Medical Sciences nursing students’
attitudes towrads COVID-19 vaccination.
CONVERGENT PARALLEL DESIGN
34. • Needs both quantitative and qualitative expertise
• Consequences of having different samples and different sample size
when merging two data sets
• How to merge two types of data
• How to deal with the situation in which quantitative and qualitative
results contradict each other
CHALLENGES
36. • Typically two-phase design
• Collect quantitative and qualitative data at different time
• Qualitative study depends on quantitative results
• The priority of quantitative data collection
• Collect and analyse quantitative data
• Identify specific quantitative results that need additional explanation
• Design qualitative study based on what learn from quantitative results
• Collect and analyse qualitative data
• Interpret combined results
EXPLANATORY SEQUENTIAL DESIGN
37. • Purpose
• To use qualitative approach to explain quantitative results (significant, non-
significant, outliers or surprising results) or to guide to form groups based
on quantitative results
• Example: Iran University of Medical Sciences nursing students’ persistence in a
distributed PhD program in nursing
EXPLANATORY SEQUENTIAL DESIGN
38. • Time consuming
• Decisions about which quantitative results need further explanation
• Decisions about who to sample and what criteria used for sample
selection for qualitative study
CHALLENGES
40. • Typically it is a two-phase design
• Three phases for instrument development (instrument development phase,
a phase testing, and apply the instrument)
• Collect quantitative and qualitative data at different time
• Qualitative results can help and inform the second quantitative
method
EXPLORATORY SEQUENTIAL DESIGN
41. • Purpose
• The qualitative phase is used to help develop or inform the quantitative
study.
• Instrument design (explore)
• Grounded theory (generalize qualitative results)
• Example: exploring the dimensions of organizational assimilation of new
academic staffs in Nursing and Midwifery Faculty, Iran University of Medical
Sciences
EXPLORATORY SEQUENTIAL DESIGN
42. • Considerable time to implement a new instrument
• Small purposeful sample in the first phase and large sample of
different participants in the second phase
• Decision which data to use from the qualitative phase to build the
quantitative instrument
• Develop valid and reliable scores on the instrument
CHALLENGES
43. EMBEDDED DESIGN
Quantitative (or Qualitative) Design
Quantitative (or Qualitative) data collection and analysis
qualitative (or quantitative) data collection
and analysis (before, during or after)
Interpretation
Adapted from Creswell and Clark, 2017
44. • A quantitative or qualitative data collection is within a quantitative
or qualitative procedure.
• A single data set is not enough.
• Two types of data answer different research questions.
• The collection and analysis of the second data set may occur before,
during, and/or after the first data collection.
EMBEDDED DESIGN
45. • Purpose
• To answer different questions that requires different types of data
• Example: effectiveness of problem-based learning in nursing
education
EMBEDDED DESIGN
46. • Must specify the purpose of collecting qualitative (or quantitative)
data as a part of a larger quantitative (or qualitative) study
• Must decide at what point in the experimental study to collect the
qualitative data
• Difficult to integrate the results when the two methods are used to
answer different research questions
• Potential treatment bias in intervention experiment due to collected
qualitative data
CHALLENGES
48. • More relates to the content than to the methodology
• Can implement any of four basic mixed methods designs within the
transformative framework.
• Purpose
• To address issues of social justice and call for change for underrepresented
or marginalized populations.
• Example: A story of women’s professional power in nursing
TRANSFORMATIVE DESIGN
49. • Little guidance in the literature to assist researchers with
implementing mixed methods in a transformative way
• Needs to have expertise in theoretical foundations of the study
CHALLENGES
51. • Challenges associated with individual concurrent and sequential
designs.
• Needs sufficient resources, time, and effort.
• May need a research team to implement research
• Examples: assessing nursing students’ understating of and reactions to
stress in different ethnic cultures
CHALLENGES
52. • Isolate three basic designs
• Convergent design
• Explanatory sequential design
• Exploratory sequential design
• Applied core designs in
• Other designs (experiment/intervention trial)
• Other theories (feminist theory)
• Other methods (community-based participatory action research)
ADVANCES MIXED METHODS DESIGN
53. • Content vs methods picture
• Added features
• Change-implementation matrix
ADVANCES MIXED METHODS DIAGRAM
55. • Qualitative and quantitative evaluation criteria
• Mixed methods evaluation criteria
• Collect and analyse both qualitative and qualitative data in rigorous method
• Integrates, mixes (merges, embedded, connects) the two sources of data
• Include the use of mixed methods research design
• Frames the study within philosophical assumptions
• Using mixed methods terms consistently
EVALUATING A MIXED METHODS
56. TERMINOLOGY
QUAN or quan refers to quantitative
QUAL or qual refers to qualitative
Use of upper case refers to emphasis, primary or dominant method
Lower case refers to lower emphasis, priority or dominance
MM refers to mixed methods
“→” data collected sequentially
“+” data collected simultaneously
“=“ converged data collection
“( )” one method embedded in the other
Adapted from Creswell and Clark, 2017
57. BIBLIOGRAPHY
• Creswell, J. W., & Clark, V. L. P. (2017) Designing and conducting mixed methods research.
Sage publications.
• Guba, E. G., & Lincoln, Y. S. (2005) Paradigmatic Controversies, Contradictions, and
Emerging Confluences. In N. K. Denzin & Y. S. Lincoln (Eds.), The Sage handbook of
qualitative research (p. 191–215), Sage Publications Ltd.
• Kuhn, T. S. (1962) The structure of scientific revolutions. Chicago, The University of
Chicago Press.
• Saunders, M., Lewis, P. & Thornhill, A. (2015) Research Methods for Business Students
7th edition, Pearson Education Limited