Chapter 2 - Quality of research Design

Question 1

What is a research method?

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Answer 1

• technique of collecting data
• involvement of specific instrument (self-completion questionaire/ structured interview)

Question 2

What are quality assessment criteria?

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Answer 2

• reliability - results repeatable?
• replicability - capable of replication of study?
• validity - many types

Question 3

What are types of validity?

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What does Hit the bull eye mean?

Answer 3

• measurement (or construct) validity - do measures reflect concepts?
• internal validity - are causal relations between variables real?
• external validity - can results be generalized beyond the research setting?
• ## ecological validity - are findings applicable to everyday life?
• all arrows have to go together, only then valid

Question 4

Alternative Criteria in Qualitative Research: What is meant by trustworthiness (Lincoln and Guba, 1985)?

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Answer 4

• credibility, parallel to internal validity - i.e. how believable are the findings?
• transferability - parallel to external validity - i.e. do the findings apply to other contexts?
• dependability - parallel to reliability - i.e. are the findings likely to apply at other times?
• confirmability - parallel to objectivity - i.e. has the investigator allowed his or her values to introduce to a high degree

CCTD