Snowball sampling is a non-probability sampling technique that is used by researchers to identify potential subjects in studies where subjects are hard to locate.nowball sampling is a non-probability sampling technique that is used by researchers to identify potential subjects in studies where subjects are hard to locate.
In configuration management, a baseline is an agreed description of the attributes of a product, at a point in time, which serves as a basis for defining change. A change is a movement from this baseline state to a next state. The identification of significant changes from the baseline state is the central purpose of baseline identification.
Baseline Study Data collection and analysis exercise to determine the baseline conditions (indicators). If resources are invested into a baseline study, it is important to budget and plan for an endline study of the same baseline conditions (indicators) using the same methodology for reliable comparison. Needs Assessment 2 Exercise to identify if and what needs exist, and inform how to best address such needs.