Quantitive Research 2
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Transcript of Quantitive Research 2
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ศ.ดร.พั�นธุ์�ทิ�พัย์ รามสู�ตPh.D. (Social Epidemiology)
สูถาบั�นพั�ฒนาสู�ขภาพัอาเซี�ย์นมหาวิ�ทิย์าลั�ย์มห�ดลั
การวิ�จั�ย์เชิ�งคุ�ณภาพัQualitative Research
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Analysis• A process of
- making sense of- organizing- interpreting
• Simultaneously c data collection
data collection data saturationstart
enddata analysis
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The process of analysis• Collection of adequate & Appropriate data• Creativity in data analysis
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Cognitive process• Comprehending• Synthesizing (decontextualizing)• Theorizing• Recontextualizing
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1) Comprehending• Theory - suspend
- template • Making sense of data• Intraparticipant microanalysis
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2) Synthesizing• getting a feel• sifting - critical factors• Interparticipant analysis • Commonality sorting
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3) Theorizing• sorting phase• active, continuous, rigorous process• constant development & manipulation• identify beliefs, values• emic-etics, macro-micro linkage• lateral thinking• systematic-inductive
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4) Recontextualizing• generalize into different settings• new context• usefulness, implicatious
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ทิฤษฎี�หร(อแนวิคุ�ด
(Theory or concept)
กรรมวิ�ธุ์�การศ*กษา
(Methods)
การสู�งเกตการณ(Observat
ion)
สูมมต�ฐาน(Hypoth
eses)
การสูร�ปสูาระจัากข.อเทิ/จัจัร�ง
(Empirical generalizatio
n)
การสูร�ปแบับั
น�รน�ย์
(Logica
l
induct
ion)
การให.คุ1าจั1าก�ดคุวิาม
เพั(2อทิดสูอบัแลัะการ
สูร.างเคุร(2องม(อ
(Opera
tionaliz
ati
on &
Inst
rum
entatio
n
)
การสูร�ปแบับัอ�ปน�ย์
(Logical
deduction)
มาตรา & การวิ�ด(Sealing
and
measurem
ent)
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Inductive process• Emerging of research findings• Reducing to a brief format• Establishing relationship (obj. – findings)• Developing the model/theory
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Data preparation Data textual narrative
- transcribed interview
- field notes- reflections, ideas,
conjectures (diary) Collecting & keeping record Back up Transcribing (word by word), quote Checking, highlighting
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Process of data analysis• Get to know the data
- line by line reading
- highlighting the key words
- taking notes, comments
- re - read•Focus the analysis - identify the key questions
- explore the relationship between question
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• Categerize information
- identify themes/patterns
- organize into coherent categories
- connection (within, between)
- synthesize- interprete- conclusion- verification
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Thematic analysis common threads abstract – concept indicated read / reread step back, reflection memo – general summarize
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Content analysis / (Question analysis) by topic read entire interview identify topics category labels (broad-minimum) develop tree diagram (saturated) write descriptive paragraphs relate between categories
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Reliability & Validity1.Apparent validity2.Instrumental
Validity3.Theoretical validity4.Internal validity
credibility (truth value)
5.External validity (fittingness)
6.Reliability- auditability- confirmability
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ชิน�ดของข.อม�ลั
ประเภทิของเหต�การณ
(อะไร)พัฤต�กรรมการกระทิ1า
(อะไรแลัะอย์4างไร)ก�จักรรม
(ใคุร)การม�
สู4วินร4วิม
(อย์4างไร)คุวิาม
สู�มพั�นธุ์
(ทิ�2ไหน)สูภาพัสู�งคุม
(ทิ1าไม)คุวิามหมาย์
Analysis of observational data
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Drawback : Data collection is
- labor intensive process.• Vast amounts of
accumulate papers +
materials. (field notes, interview materials
(tapes) “ Data overload”• “ Data overload” is
compounded by a
number of investigatin g teams.
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• Analysis - not easy- Required systematic,
formalized and comparable way for different types of data collection.
- No/or few guideline to assist.
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Tips for analysing• Self memos : key points, ideas•Avoid generalizing• Use quote to support• Address limitation/alternatives• Thoughtful & enjoy
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