Purposeful Sampling for Qualitative Data Collection and Analysis in Mixed Method Implementation Research. Purposeful sampling is widely used in qualitative research for the identification and selection of information-rich cases related to the phenomenon of interest. Although there are several different purposeful sampling strategies, criterion sampling appears to be used most commonly in implementation research. However, combining sampling strategies may be more appropriate to the aims of implementation research and more consistent with recent developments in quantitative methods.
The name Alianna is of Greek origin. The meaning of Alianna is defender of mankind. Alianna is generally used as a girl's name. It consists of 7 letters and 4 syllables and is pronounced A-li-a-nna.
Ayla also means with the moon as a word (ay + la where la is used for ile which means with in Turkish). However in the context of given names, its meaning is halo, and can be related to names Aylin (also deriving from ay), Tuelin, tÃ¼lin Or. aylanuryla is a common feminine given name in Turkish. In that language, it means  halo of light around the moon . Less commonly, it is also a name in other languages.