CRI 205 Lecture Notes - Lecture 4: Clinical Urine Tests, Sampling Error, Sampling Frame
Document Summary
Primary advantage: avoids distorion and iltering of oicial measures. Coverage error: researchers selected from a list, a sampling frame, that did not include all the people they intended to study, the target populaion. Sampling error: automaic and unavoidable result of surveying a subset rather than taking a census of all people in the target populaion. Nonresponse error: afects survey (self-report/vicimizaion) data when both : too many people in the sample did not respond to the survey, the non-respondents difer from respondents in ways that are important to the objecives of the survey. Arrestee drug abuse monitoring (adam) not naionally representaive. Naional survey on drug use and health. Not naionally representaive because subjects are bit randomly selected (they are asked ater they are arrested) 2009: close to 5k face-to-face interviews, 4k urine analyses, in 10 large urban counies. Monitoring the future ongoing study of the behaviors, aitudes, and values of american secondary school students, college students, and young adults.
