|
Table
4.1 Sampling
|
|---|
| By
Research Question
| Type
of Sample
| Eligibility
|
|---|
| New
area of research
|
Convenience¹
| - Anyone with
characteristics of interest
|
|
New patient
group
|
Convenience
| - People
with carefully defined subgroup membership
|
|
Exploratory
study
|
Defined generalized
group
| - People
who meet all eligibility criteria for full-scale research study
|
|
Causes and Effects
|
Random study
| - A
percentage of all persons in database with complete data on variables
of interest
|
|
By
Data Collection Method
| | |
|---|
|
Interviews
| | |
|
Semi-structured
interviews
|
Defined generalized
group
| - With
characteristics of interest
|
|
Open-ended interviews
|
Defined generalized
group
| - With
characteristics of interest
|
|
Cognitive testing
interviews
|
Defined generalized
group
| - With
the same characteristics of interest as the population who will
respond to the interviews or who will use the education or intervention
materials
|
| Focus
groups
|
8-12 people
who have experience and opinions on topic of research interest
| - Strict
eligibility criteria by age, gender, symptom.
- Groups
with mixed characteristics often do not provide good data
|
|
Narratives
|
Convenience
or defined
| - Respondents
must be able to follow the protocol and have clearly defined experiences
of interest
|
|
By
Data Analysis Method
| | |
|---|
|
Content analysis
|
Convenience
of defined
| - Depends
of types of research questions and data collection method
|
|
Grounded theory
analysis
|
Convenience
or defined
| - With
characteristics of interest
|
|
Narrative summary
analysis
|
Convenience
or defined
| - With
characteristics of interest
|
|
Triangulation
|
Random sample
| - A
percentage of all persons in database with complete data on variables
of interest
|