1.) Describe, in general, when a sample would be needed as a part of an evaluation. When would you want to use a probability sample? When would a nonprobability sample be appropriate?
2.) Think specifically about the Maryland Tobacco prevention and cessation program program that you are evaluating. Are they using a sampling plan? If yes, describe it. If not is it a full coverage program? What do you think about their choice? Provide support for your answer.
Maryland Department of Health and Mental Hygiene (2010). M00F03.06 Cigarette restitution fund-Tobacco use and prevention and cessation program- Family health administration. www.dhmh.state.md.us/mfr/doc/2010/Tobacco.doc
Maryland Department of Health and Mental Hygiene (2008). Exploring cultural, psychosocial, and environmental factors influencing tobacco use among Asian American, Hispanics, African American and American Indians in Maryland.http://www.crf.stae.md.us/html/stats.cfm
Maryland Department of Health and Mental Hygiene (2007). Local tobacco control initiatives.http://fha.maryland.gov/ohpetup/tob_local_initiatives.cfm
In general, samples are often feasible for use when it would be highly impractical to try to evaluate the characteristics of a very large population, such as the over 300 million inhabitants of the United States of America. When trying to ascertain information about some characteristics about this population, it would be much more feasible to obtain a sample of this population, which will be studied and or evaluated as ...