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.
5 5. The meaning of Alia is  Healthy, strong  and  Sky, heaven  and  Lofty . Its origin is  Modern English variant of the name Alya . Alia is a form of Alya and is generally pronounced like  ahl YAH . This name is mostly being used as a girls name.Last year it ranked 724th in the U.S. Social Security Administration list of most popular baby girl names. Alia is a variant spelling of the name Alya.lia is a form of Alya and is generally pronounced like  ahl YAH . This name is mostly being used as a girls name. Last year it ranked 724th in the U.S. Social Security Administration list of most popular baby girl names.