In purposeful sampling, participants are intentionally selected according to the needs of the study [ 23].
The research assistant collecting data for the pilot study approached a purposeful sample of participants in the NFP pilot study, explained the purpose of this portion of the study and obtained written informed consent to participate.
First, our purposeful sample included participants with diversity in country context, gender and leadership role.
Following a purposeful sampling rationale, participants in this investigation will always be academic family physicians.
Purposeful sampling allowed participants with different professional or educational backgrounds to be recruited ensuring diversity of characteristics.
A purposeful sample of participants was recruited via posters placed in the library branches, in nearby locations (e.g., recreation centre, daycare, retirement home, etc)., and via a local newspaper ad.
Qualitative interviews will be conducted with a purposeful sample of participants (across practitioner types) to further explore nurses views on the feasibility of the parent recruitment approach and reinforcement of key messages as part of routine consultations.
To further assess purposeful exercise behaviors, participants are asked to report the number of times and minutes per week, on average, they are completing strengthening, stretching, and aerobic exercises The frequency of participants' use of the IBET website will be logged within the site.
We recruited participants by purposeful sampling, using the following criteria: – Participants must be employed as registered nurses or certified nursing assistants.
Purposeful sampling implies that participant and other data sources are chosen, because of their importance to the purpose of the study [ 33].
