Share this credible answer with others. Simply paste this code into your blog or Web page:
Sampling techniques have become increasingly sophisticated and include various types, which may be random, stratified, or purposive, or a combination of any of these. The information may be elicited by personal interview, telephone interview, or mail ques ...
|
Answer verified with
|
HighBeam gives you access to newspaper, magazine, and trade journal articles plus press releases, facts, information, and biographies from thousands of sources.