SAMPLE DESIGN
Sample Design A sample design is a definite plan for obtaining a sample from a given population It refers to the procedure, adopted by a researcher for selecting items for a sample. Sample design suggests how many items are to be included in the sample It gives an idea about the size of the sample. There are many sample designs. A researcher can choose the appropriate design. Different Methods for Selecting Samples (Sample Designs) Various methods available for selecting samples can be grouped under two major heads (1) Random sampling ...