N257 Week 9
Card Set Information
N257 Week 9
Questions from N257 Week 9 for midterm exam
What is the term for the difference between the population mean and the mean of the sample?
sampling variation (error)
What is the term for the expected difference in values that occurs when different subjects from same sample are examined?
What is the term for the consequence of selecting subjects whose measurement values differ in some way from those of the population?
systematic variation (systematic bias)
What type of sampling always involves randomization, assure representativeness, and everyone has equal chance of being selected?
What type of sampling involves randomly choosing the sample? Can use table of random numbers or draw names out of hat
simple random sampling
What type of sampling ensures all levels of identified variables are adequately represented in the sample?
stratified random sampling
What type of sampling is a randomized sample of geographic areas meeting the eligibility criteria and is used to obtain a geographically diverse sample?
What type of sampling is when you select every kth individual on the list, starting randomly?
What type of sampling includes whomever is available and willing to give consent?
What type of sampling uses convenience sampling, but with a strategy to ensure inclusion of subject types who are likely to be underrepresented in the convenience sample?
What type of sampling involves efforts being made to include typical or atypical subjects and sampling is based on the researcher's judgment (which people will give them good information)?
What types of nonprobability sampling approaches are used in quantitative research?
What types of nonprobability sampling approaches are used in qualitative research?
What type of sampling involves taking advantage of social networks to get the sample? One person in the sample asks another to join the sample and so on
What type of sampling is used in grounded theory research and data is gathered from any individual or group that can provide relevant data for theory generation?