Dr. Bassey is conducting a study of methamphetamine users.

Psychology
Tutor: None Selected Time limit: 1 Day

The problem she faces is finding and recruiting participants for her study.  She asks each participant to try to recruit other users they know. What type of sampling strategy has Dr. Bassey used? a.probability b.snowball c. cluster d. simple random 

Jul 6th, 2014

b.snowball


best please.

Jul 6th, 2014

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Jul 6th, 2014
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Jul 6th, 2014
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