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.
Developing a Baseline Budget for a Project. A cost baseline is an approved time phased plan. Once a detailed budget is developed and approved, the project manager should publish this baseline and set it as a point of comparison for actual performance progress. One of the biggest challenges a project manager faces is determining when to set the baseline for the budget. A baseline is an approved time phased plan. Creating a baseline should not be a 'scary' thing.