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An Introduction to
Qualitative Research


    Najibullah Safi, MD. MSc. HPM
     NPO/PHC, WHO Afghanistan
Outline

• Introduction
• Differences between qualitative and quantitative
  research
• Study design in qualitative research
• Method of data collection
• Handling qualitative data
• Analyzing qualitative data
• Presenting the results of qualitative research


4/7/2013            Research Methodology Course      2
Introduction

• Scientist more comfortable with quantitative
  research
• Quantitative methods deal with the collection and
  processing numerical data
• Answer questions
      – How often? To what extent?
      – How much? How many … but cannot answer questions on
      – Why? how? In what way?



4/7/2013                Research Methodology Course           3
Introduction cont.

• Qualitative research can provide insight which is not
  possible to elucidate with purely quantitative data
      – A means for exploring and understanding the meaning
        individuals or groups ascribe to social or human
        problems
      – Study human behavior and social world
• Help us to understand the world in which we live
  and why things are the way they are



4/7/2013                Research Methodology Course       4
Introduction cont.

• Qualitative research answer questions on:
      – Why people behave the way they do
      – How opinions and attitudes are formed
      – How people are affected by the events that go on
        around them
      – How and why cultures have developed
      – The difference between social groups




4/7/2013                Research Methodology Course        5
Quantitative vs. Qualitative research

No               Qualitative research                            Quantitative research
1     Subjective – concern with opinion,             objective
      experiences and feelings of individuals
2     Holistic                                       Reductionist – identify a set of variables
3     Phenomenological                               Scientific
4     Descriptive                                    Experimental
5     Naturalistic                                   Contrived
6     Inductive – generate theories                  Deductive – test proposed theories
7     Small sample – direct data collection,         Representative sample
      interview, observation
8     Results – generalizability is not an aim       Usually generalizability is an important
                                                     aim

4/7/2013                           Research Methodology Course                                  6
Qualitative research designs

• Four major types of qualitative research design
  include:
   – Phenomenology
   – Ethnography
   – Grounded theory
   – Case study




4/7/2013             Research Methodology Course    7
Phenomenology

• Study of a phenomena – describing something that
  exist as part of the world
• Phenomena might be:
      – An event, a situation, an experience or a concept
      – e.g. back pain
• It begins with the acknowledgment that there is a
  gap in our understanding
• It may not necessarily provide definitive explanations
  but it does raise awareness and increase insight

4/7/2013                   Research Methodology Course      8
Ethnography

• The term means “portrait of people”
• It is a methodology for descriptive studies of cultures
  and peoples
      – e.g. cultural parameter is suspected of affecting the
        population’s response to care or treatment
• It requires extensive fieldwork by the researchers
• Data collection includes formal and informal
  interview on several occasion and observation
• It is extremely time consuming

4/7/2013                   Research Methodology Course          9
Ethnography cont.

• Data analysis – “emic” approach: researcher
  interpret data from the prospective of the population
  under study
• Results are expressed as they are expressed by the
  subjects themselves
• These studies might be problematic when
  researchers are not familiar with social norms and
  language



4/7/2013             Research Methodology Course      10
Grounded theory

• Main feature: development of a new theory through
  the collection and analysis of data about a
  phenomenon
• It goes beyond phenomenology as the explanation
  are genuinely new knowledge and are used to
  develop theories
• Various data collection techniques are used
      – Literature review, documentary analysis, interviews ,
        observation


4/7/2013                   Research Methodology Course          11
Grounded theory cont.

• Key feature: constant comparative analysis –
  simultaneous collection and analysis of data




4/7/2013             Research Methodology Course   12
Case study
• Case studies might be qualitative or quantitative
• In-depth analysis of a single or small number of
  unites
• It is used to describe an entity that forms a single
  unit such as a person, an organization or an
  institution
• Complexity: illustration of an event VS. analysis of
  social situation over time
• As a research design, it offers rich and in-depth
  information which is not usually offered by other
  methods
4/7/2013              Research Methodology Course        13
Case study cont.

• It is highly versatile method and employs any or all
  methods of data collection
• It can be used for different purposes e.g.
  development of new services, organizational changes
  in planning, purchasing or delivery of health services,
  evaluation of a program
• A critic - case may not be representative of similar
  cases (findings are not generalizable)
• Can we apply findings elsewhere?


4/7/2013             Research Methodology Course        14
Methods of collecting qualitative data

• Direct interaction with individuals
      – One to one interaction
      – Or interaction with a group
•   Interviews
•   Focus Group Discussion
•   Observation
•   Data collection is time consuming
•   Benefits of these methods include richness of data
    and deeper insight into phenomena under study

4/7/2013                  Research Methodology Course    15
Interviews
• Structured interviews
      – Same questions in same away
      – Limited range of responses (e.g. questionnaires)
• Semi structured interviews or focused interviews
      – Series of open ended questions
      – Provide opportunities to both researchers and
        respondents to discuss certain topics in more details




4/7/2013                   Research Methodology Course          16
Interviews cont.
• Unstructured interviews or in-depth interviews
      – Discussing limited number of topics
      – Phrase questions in the interviewee’s previous response
• Qualitative interviews are semi structure or
  unstructured
• Qualitative interviews should be fairly informal
• Require careful consideration and preparation




4/7/2013                  Research Methodology Course             17
Focus group discussion

• Collect information from groups of people rather
  than a series of individuals
• FGD can be used when
      – Resources are limited
      – To identify a number of individuals who share a common
        factor
      – It is desirable to collect the views of several people within
        the population sub group
      – Group interaction among participants has the potential for
        greater insights to be developed

4/7/2013                   Research Methodology Course              18
Focus group discussion cont.

• Characteristics of a focus group
     – Group size: usually 6-10 people
     – Several FGD should be run in any research, it would be
       wrong to rely on the views of just one group
     – Members of each group should have something in common
     – May use pre formed groups e.g. pressure groups
     – Data collection and analysis is time consuming
     – Requires certain skills
           • Facilitation, moderating, listening, observing and analyzing



4/7/2013                         Research Methodology Course                19
Observation

• Might be the only method to collect information in
  certain conditions
• Observation of people VS. observation of
  environment
• Observation can also serve for verifying or nullifying
  information collected through other methods




4/7/2013              Research Methodology Course          20
Observation cont.

• Techniques for collecting data
      – Written descriptions
           • Researcher may miss to record
           • May focus on one thing and miss equally or even more important
             things
      – Video recording
           •   No need to take notes
           •   Review time after time
           •   Recording my affect the behavior of the people under observation
           •   Fixed camera may limits the range of possible observation



4/7/2013                         Research Methodology Course                  21
Observation cont.

• Photographs
      – Good way of collecting observable data of phenomena
        which can be captured in a single shots or series of shots
      – Photographs of buildings, neighborhoods, dress and
        appearance
• Documentation
      – Wide range of written materials
      – Policy document, annual reports, minutes of meeting,
        codes of conduct, notice boards etc.



4/7/2013                   Research Methodology Course               22
Handling qualitative research data

• Recording VS. note taking
• Transcribing qualitative data
      – Procedure for producing written version of interview
      – Time consuming , estimated ratio of time required is 5:1
      – Produce a lot of written text
• Transcribe may not be essential for each interview
      – Tape analysis: taking notes from play back of tape recorded
        interviews
      – Who should do transcribing?


4/7/2013                   Research Methodology Course             23
Handling qualitative research data cont.
• Consideration should be given to tone and inflection
     – By listening and noting the intensity and feeling in the
       interviewee’s voice it is possible to detect:
            • Positive/negative continuum
            • Certainty/uncertainty
            • Enthusiasm/reluctance
• Constant comparative analysis: data collection and data
  analysis occur on ongoing basis
     – Each interview is analyzed before other interview take place
     – Finding of first interview is incorporated in the following one
     – Later interviews might be completely different from the
       initial ones

 4/7/2013                        Research Methodology Course        24
Analyzing qualitative data

• Involves summarizing data and presenting the
  results in a way that communicate the most
  important features
• As quantitative research we are interested to
  discover the big picture in qualitative research as
  well, but by using different technics
• We start labeling or coding every item of information
  to recognize differences and similarities between all
  different items

4/7/2013             Research Methodology Course      25
Analyzing qualitative data cont.

• No system for pre-coding
• Needs a method of identifying and coding items of
  data which appear in the text of transcript
• All the items of data from one interview should be
  compared with other interviews
• Same procedures are used for qualitative data
  collected through interviews, FGDs, observation and
  documentary analysis – since all are concerned with
  analyzing text

4/7/2013             Research Methodology Course        26
Analyzing qualitative data cont.

• Content analysis
      – Procedure for categorization of verbal or behavioral data
      – It involves coding and classifying data
      – Analysis done at two levels:
           • Basic or manifest level: descriptive – what was actually said
           • Higher or interpretative level: what was meant by response – also
             called latent level of analysis




4/7/2013                       Research Methodology Course                   27
Analyzing qualitative data cont.

• Content analysis involves the following steps:
     1.      Read the transcript and make brief note of interesting or
            relevant information
     2.     Make a list of the different type of information from the
            notes
     3.     Categorization of the listed items
     4.     Identify the categories that are some how linked to each
            other (major categories or themes)
     5.     Compare and contrast various categories



 4/7/2013                      Research Methodology Course               28
Analyzing qualitative data cont.

• Content analysis involves the following steps:
     6. Repeat the process from stage 1-5 on next transcripts
            - Identify new categories of information
            - Accommodate data in the existing categories
            - Color code different categories and review
     7. Collect together all the extracts from the transcribed
         interviews that you have put into one category
     8. Review different categories and move items if required
         from one category to another
     9. Review and check if two or more categories can fit together
     10. Check the initial notes, consider if any previously excluded
         data is relevant and should be included in results
 4/7/2013                      Research Methodology Course         29
Computerized data analysis

• Most well known software packages include
      – ATLAS/ti
      – NVivo
      – NUD*IST




4/7/2013              Research Methodology Course   30
Presenting the results of qualitative research

• Look at themes and categories and structure the
  results accordingly
• The structure can be set out at the beginning as a list
  or diagram
• Themes are the main findings of the study
• To support findings, evidence are presented at direct
  quotations from respondents




4/7/2013              Research Methodology Course       31
Presenting the results of qualitative research
                       cont.
• A range of quotations should be selected
      – Strength of opinion or belief
      – Similarities between respondents
      – Differences between respondents
• Link between different categories
• Conclusion
• Some qualitative data can be dealt with in
  quantitative way
• Using qualitative and quantitative techniques for
  analysis of data can strengthen analysis

4/7/2013                 Research Methodology Course   32
Presenting the results of qualitative research
                       cont.
            Themes                     Major categories             Minor categories
                                                                Safe sex
                                  Sexual health                 Pregnancy
                                                                Sexual behavior
 Health issues for young people
                                                                Smoking
                                  Drugs                         Alcohol
                                                                Illicit drugs
                                                                Services available
                                  Lack of knowledge             Understanding
                                                                Perceptions
 Barriers to accessing services
                                                                Own beliefs
                                  Attitudes                     Peer pressure
                                                                Expectation of staff

4/7/2013                          Research Methodology Course                          33
Group Work

• Form three groups
• Select group leader and reporter
• Review and discuss all questions (part 1-3) in groups
• Each group will present only one part of the
  questions (part 1-3)
• Time for group work: 30 minutes
• Time for presentation of each group: 10 minutes



4/7/2013             Research Methodology Course          34
4/7/2013   Research Methodology Course   35

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An introduction to qualitative research

  • 1. An Introduction to Qualitative Research Najibullah Safi, MD. MSc. HPM NPO/PHC, WHO Afghanistan
  • 2. Outline • Introduction • Differences between qualitative and quantitative research • Study design in qualitative research • Method of data collection • Handling qualitative data • Analyzing qualitative data • Presenting the results of qualitative research 4/7/2013 Research Methodology Course 2
  • 3. Introduction • Scientist more comfortable with quantitative research • Quantitative methods deal with the collection and processing numerical data • Answer questions – How often? To what extent? – How much? How many … but cannot answer questions on – Why? how? In what way? 4/7/2013 Research Methodology Course 3
  • 4. Introduction cont. • Qualitative research can provide insight which is not possible to elucidate with purely quantitative data – A means for exploring and understanding the meaning individuals or groups ascribe to social or human problems – Study human behavior and social world • Help us to understand the world in which we live and why things are the way they are 4/7/2013 Research Methodology Course 4
  • 5. Introduction cont. • Qualitative research answer questions on: – Why people behave the way they do – How opinions and attitudes are formed – How people are affected by the events that go on around them – How and why cultures have developed – The difference between social groups 4/7/2013 Research Methodology Course 5
  • 6. Quantitative vs. Qualitative research No Qualitative research Quantitative research 1 Subjective – concern with opinion, objective experiences and feelings of individuals 2 Holistic Reductionist – identify a set of variables 3 Phenomenological Scientific 4 Descriptive Experimental 5 Naturalistic Contrived 6 Inductive – generate theories Deductive – test proposed theories 7 Small sample – direct data collection, Representative sample interview, observation 8 Results – generalizability is not an aim Usually generalizability is an important aim 4/7/2013 Research Methodology Course 6
  • 7. Qualitative research designs • Four major types of qualitative research design include: – Phenomenology – Ethnography – Grounded theory – Case study 4/7/2013 Research Methodology Course 7
  • 8. Phenomenology • Study of a phenomena – describing something that exist as part of the world • Phenomena might be: – An event, a situation, an experience or a concept – e.g. back pain • It begins with the acknowledgment that there is a gap in our understanding • It may not necessarily provide definitive explanations but it does raise awareness and increase insight 4/7/2013 Research Methodology Course 8
  • 9. Ethnography • The term means “portrait of people” • It is a methodology for descriptive studies of cultures and peoples – e.g. cultural parameter is suspected of affecting the population’s response to care or treatment • It requires extensive fieldwork by the researchers • Data collection includes formal and informal interview on several occasion and observation • It is extremely time consuming 4/7/2013 Research Methodology Course 9
  • 10. Ethnography cont. • Data analysis – “emic” approach: researcher interpret data from the prospective of the population under study • Results are expressed as they are expressed by the subjects themselves • These studies might be problematic when researchers are not familiar with social norms and language 4/7/2013 Research Methodology Course 10
  • 11. Grounded theory • Main feature: development of a new theory through the collection and analysis of data about a phenomenon • It goes beyond phenomenology as the explanation are genuinely new knowledge and are used to develop theories • Various data collection techniques are used – Literature review, documentary analysis, interviews , observation 4/7/2013 Research Methodology Course 11
  • 12. Grounded theory cont. • Key feature: constant comparative analysis – simultaneous collection and analysis of data 4/7/2013 Research Methodology Course 12
  • 13. Case study • Case studies might be qualitative or quantitative • In-depth analysis of a single or small number of unites • It is used to describe an entity that forms a single unit such as a person, an organization or an institution • Complexity: illustration of an event VS. analysis of social situation over time • As a research design, it offers rich and in-depth information which is not usually offered by other methods 4/7/2013 Research Methodology Course 13
  • 14. Case study cont. • It is highly versatile method and employs any or all methods of data collection • It can be used for different purposes e.g. development of new services, organizational changes in planning, purchasing or delivery of health services, evaluation of a program • A critic - case may not be representative of similar cases (findings are not generalizable) • Can we apply findings elsewhere? 4/7/2013 Research Methodology Course 14
  • 15. Methods of collecting qualitative data • Direct interaction with individuals – One to one interaction – Or interaction with a group • Interviews • Focus Group Discussion • Observation • Data collection is time consuming • Benefits of these methods include richness of data and deeper insight into phenomena under study 4/7/2013 Research Methodology Course 15
  • 16. Interviews • Structured interviews – Same questions in same away – Limited range of responses (e.g. questionnaires) • Semi structured interviews or focused interviews – Series of open ended questions – Provide opportunities to both researchers and respondents to discuss certain topics in more details 4/7/2013 Research Methodology Course 16
  • 17. Interviews cont. • Unstructured interviews or in-depth interviews – Discussing limited number of topics – Phrase questions in the interviewee’s previous response • Qualitative interviews are semi structure or unstructured • Qualitative interviews should be fairly informal • Require careful consideration and preparation 4/7/2013 Research Methodology Course 17
  • 18. Focus group discussion • Collect information from groups of people rather than a series of individuals • FGD can be used when – Resources are limited – To identify a number of individuals who share a common factor – It is desirable to collect the views of several people within the population sub group – Group interaction among participants has the potential for greater insights to be developed 4/7/2013 Research Methodology Course 18
  • 19. Focus group discussion cont. • Characteristics of a focus group – Group size: usually 6-10 people – Several FGD should be run in any research, it would be wrong to rely on the views of just one group – Members of each group should have something in common – May use pre formed groups e.g. pressure groups – Data collection and analysis is time consuming – Requires certain skills • Facilitation, moderating, listening, observing and analyzing 4/7/2013 Research Methodology Course 19
  • 20. Observation • Might be the only method to collect information in certain conditions • Observation of people VS. observation of environment • Observation can also serve for verifying or nullifying information collected through other methods 4/7/2013 Research Methodology Course 20
  • 21. Observation cont. • Techniques for collecting data – Written descriptions • Researcher may miss to record • May focus on one thing and miss equally or even more important things – Video recording • No need to take notes • Review time after time • Recording my affect the behavior of the people under observation • Fixed camera may limits the range of possible observation 4/7/2013 Research Methodology Course 21
  • 22. Observation cont. • Photographs – Good way of collecting observable data of phenomena which can be captured in a single shots or series of shots – Photographs of buildings, neighborhoods, dress and appearance • Documentation – Wide range of written materials – Policy document, annual reports, minutes of meeting, codes of conduct, notice boards etc. 4/7/2013 Research Methodology Course 22
  • 23. Handling qualitative research data • Recording VS. note taking • Transcribing qualitative data – Procedure for producing written version of interview – Time consuming , estimated ratio of time required is 5:1 – Produce a lot of written text • Transcribe may not be essential for each interview – Tape analysis: taking notes from play back of tape recorded interviews – Who should do transcribing? 4/7/2013 Research Methodology Course 23
  • 24. Handling qualitative research data cont. • Consideration should be given to tone and inflection – By listening and noting the intensity and feeling in the interviewee’s voice it is possible to detect: • Positive/negative continuum • Certainty/uncertainty • Enthusiasm/reluctance • Constant comparative analysis: data collection and data analysis occur on ongoing basis – Each interview is analyzed before other interview take place – Finding of first interview is incorporated in the following one – Later interviews might be completely different from the initial ones 4/7/2013 Research Methodology Course 24
  • 25. Analyzing qualitative data • Involves summarizing data and presenting the results in a way that communicate the most important features • As quantitative research we are interested to discover the big picture in qualitative research as well, but by using different technics • We start labeling or coding every item of information to recognize differences and similarities between all different items 4/7/2013 Research Methodology Course 25
  • 26. Analyzing qualitative data cont. • No system for pre-coding • Needs a method of identifying and coding items of data which appear in the text of transcript • All the items of data from one interview should be compared with other interviews • Same procedures are used for qualitative data collected through interviews, FGDs, observation and documentary analysis – since all are concerned with analyzing text 4/7/2013 Research Methodology Course 26
  • 27. Analyzing qualitative data cont. • Content analysis – Procedure for categorization of verbal or behavioral data – It involves coding and classifying data – Analysis done at two levels: • Basic or manifest level: descriptive – what was actually said • Higher or interpretative level: what was meant by response – also called latent level of analysis 4/7/2013 Research Methodology Course 27
  • 28. Analyzing qualitative data cont. • Content analysis involves the following steps: 1. Read the transcript and make brief note of interesting or relevant information 2. Make a list of the different type of information from the notes 3. Categorization of the listed items 4. Identify the categories that are some how linked to each other (major categories or themes) 5. Compare and contrast various categories 4/7/2013 Research Methodology Course 28
  • 29. Analyzing qualitative data cont. • Content analysis involves the following steps: 6. Repeat the process from stage 1-5 on next transcripts - Identify new categories of information - Accommodate data in the existing categories - Color code different categories and review 7. Collect together all the extracts from the transcribed interviews that you have put into one category 8. Review different categories and move items if required from one category to another 9. Review and check if two or more categories can fit together 10. Check the initial notes, consider if any previously excluded data is relevant and should be included in results 4/7/2013 Research Methodology Course 29
  • 30. Computerized data analysis • Most well known software packages include – ATLAS/ti – NVivo – NUD*IST 4/7/2013 Research Methodology Course 30
  • 31. Presenting the results of qualitative research • Look at themes and categories and structure the results accordingly • The structure can be set out at the beginning as a list or diagram • Themes are the main findings of the study • To support findings, evidence are presented at direct quotations from respondents 4/7/2013 Research Methodology Course 31
  • 32. Presenting the results of qualitative research cont. • A range of quotations should be selected – Strength of opinion or belief – Similarities between respondents – Differences between respondents • Link between different categories • Conclusion • Some qualitative data can be dealt with in quantitative way • Using qualitative and quantitative techniques for analysis of data can strengthen analysis 4/7/2013 Research Methodology Course 32
  • 33. Presenting the results of qualitative research cont. Themes Major categories Minor categories Safe sex Sexual health Pregnancy Sexual behavior Health issues for young people Smoking Drugs Alcohol Illicit drugs Services available Lack of knowledge Understanding Perceptions Barriers to accessing services Own beliefs Attitudes Peer pressure Expectation of staff 4/7/2013 Research Methodology Course 33
  • 34. Group Work • Form three groups • Select group leader and reporter • Review and discuss all questions (part 1-3) in groups • Each group will present only one part of the questions (part 1-3) • Time for group work: 30 minutes • Time for presentation of each group: 10 minutes 4/7/2013 Research Methodology Course 34
  • 35. 4/7/2013 Research Methodology Course 35