We identified a panel of 57 clinicians with expertise in one of the six cancers, using purposive sampling of the international clinical networks of senior colleagues in cancer registries and research institutions, ensuring a roughly balanced distribution by country and cancer.
A survey to gather information on barriers and facilitators to providing critical care in LMICs was developed by two authors (NA, RF) using purposive sampling of health care practitioners (e.g. physicians, nurses, nursing and physician assistants, and governmental health personnel) who interact with acutely ill patients.
In-depth interviews, using purposive sampling for diversity of opinion, were planned with key informants from three health-system levels who had developed, implemented, or evaluated BPHS services nationally or in Bamyan province: (Reid et al's level 2) frontline providers, (level 3) health facility supervisors and managers, and (level 4) donors and policy-makers – see Table 1.
Study participants were recruited using purposive sampling to provide perspectives of companies of varying size (i.e., multinationals and small and medium enterprises).
The initial phase of the study used convenience sampling to identify and interview 6 GPs and 4 patients, with the main phase of the study then using purposive sampling to ensure heterogeneity of participants.
Participants will be selected using purposive sampling to create a balanced mixture of professionals based on setting, age, knowledge, and referral rates.
To gain a diverse range of perspectives, we used purposive sampling to ensure inclusion of women with varying levels of education (that is, with and without post-school qualifications) and prior participation in screening (including low and high screening women in all age groups).
38 39 As this is a qualitative study using purposive sampling, the use of numbers should not be taken to imply statistical representation of the population under consideration.
Utilizing a modified Solomon Group design on 113 trainee teachers selected using purposive sampling, the effectiveness of the developed module was compared to the conventional module.
Using purposive sampling, a total of 55 stakeholders were interviewed for this study.
