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.
Posted on March 12, 2008 by Babou. A baseline is used to perform analysis to find current performance against to the expected level for a specific activity in established time-phase. In Project Management, Baseline refers to the accepted and approved plans & their related documents. Project baselines are, generally, approved by project management team and those are used to measure and control of project activities.