Research Design Considerations:

Evidence appropriate to question?

Potential source types (sampling units):

settings, persons, activities, documents, events.

Selection strategies for sampling:

Maximum variation

“Typical” (defined)

Critical

Convenience

Snowball

Theoretical construct

Considering access

Comparing perspectives (yours and subject)

Possible limits (strengths) of access terms

How can information be attained?

Extent (number) of contacts needed

Need, influence of gatekeepers, sponsors