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.
For most people, a temperature of 98.6 F (37 C) is baseline . Your doctor may already have suggested that you keep a record of your body temperature every day. If your temperature is higher than usual and it stays high for two weeks in a row, something is obviously going on with your body.