Sampling
I’m in. I’m male, aged 65 years or over, living in the GTA.
Inclusion criteria
I’m sometimes considered its synonym.
Sampling
I aim to please with my answers.
Social desirability bias
I’m the only truth.
Positivst
Exploratory sequential
Reach me through the list.
Sampling frame
We survived so conclusions are drawn from us.
Survivor bias
I just can’t remember what I did 3 months ago.
Recall bias
Let’s negotiate reality.
Pragmatism
Data is collected at the same time.
-Convergent or concurrent parallel
I have a 50/50 change of getting picked.
Probability sampling
I was asked, but I didn’t want to participate.
Non-response
I’m swayed because I know which group they are in.
Interviewer or observer bias
There are many realities.
Constructivism or interpretivism
I want to drive change.
Transformative concurrent design
Every nth individual will be let in.
Systemic random sampling
You dropped out? I stayed in and we’re so different.
Attrition bias
I was assigned to this group, but that was wrong.
Misclassification bias
I challenge the status quo.
Critical
Results are merged, compared, interrelated, or validated.
Triangulation or mixing
No rhyme, no reason. I picked you because you were there.
Convenience sampling
I wasn’t even asked to be in the sample.
Under-coverage bias
They’re watching me so I’ll behave this way.
Performance bias
I ask what is reality?
Ontology
-Numbers first, then we explain!
Explanatory sequential