Two-stage sampling protocol was used: in the first stage, primary sampling units (PSU) were selected using probability proportion to size (PPS) from the sampling frame; this was followed by the second stage, where a random selection of respondents was done based on listing at selected clusters.
The inclusion of countries that bear the burden of under-five mortality, selection of respondents from all levels of the health system within selected countries, and the triangulation of qualitative and quantitative methods, enrich the data and add weight to the quality of information; thus the survey provides useful guidance at a global level as ways to improve delivery of ICMT are sought.
They are notoriously sensitive to question phrasing, selection of respondents, etc.
The selection of respondents was conducted by means of purposeful sampling (N = 10).
"Doing opinion polls in India is difficult because it is hard to do a strictly random selection of respondents and because telephonic surveys do not work".
The third stage involved the selection of respondents.
The simple random sampling design was used in the selection of respondents.
The adopted methodology supports a knowledge-based selection of respondents and interview process.
Also, it should be noted that the energy modelers obviously dominated the selection of respondents.
For the selection of respondents, we used the same professional affiliation criteria as the online survey.
Stratified sampling and simple random sampling techniques were employed in the selection of respondents from the faculties with students.
