Again, the word "rebellion" was chosen purposefully, curator Valerie Mercer told HuffPost, because such events "don't really come out of the blue, although they may appear to," she said.
These facilities were chosen purposefully based on their previous affiliation with the Jimma University Community Based Education Training Program CBTPP).
Participants were chosen purposefully from among the participants in the quantitative component of the mixed methods study.
Consistent with validated theoretical sampling methods for qualitative research, participants and sites were chosen purposefully to maximize variation on the key dimensions of interest [ 13, 14].
The informants were chosen purposefully to benefit from their knowledge based on their strategic positions in human resource management and health workforce planning.
They were chosen purposefully to be close; they served as consistency checks and confirmed that our smFRET measurements are accurate (Table 2).
The women were also chosen purposefully to obtain a maximum level of sample variation with regards to age, education, and delivery method.
All participants were chosen purposefully to ensure a varied sample of postpartum mothers and healthcare providers with different levels of experience and care roles (midwives, nurses, clinical officers).
It's not clear to me whether this hashtag was chosen purposefully to sample such different populations of Twitter users, and if so how one might interpret nestedness in the aggregate population.
The first participants were asked to recommend other possible participants (snowball sampling), who were then chosen purposefully to ensure variation in age, gender, profession, work experience, and experience in patient education.
