Samples and Surveys Online Lecture Flashcards
parameter
group of people we are interested in is the population, the characteristic of what we are interested
population
group of people we are interested in
non-attitudes
don’t know what is being discussed but feel pressured to provide some answer
Convenience sampling and voluntary sampling
that may not produce a representative sample.
simple random sample
every person in the population has an equal chance of being chosen for the sample
two-stage sampling process
a sample of clusters is first selected and then random samples within each cluster are chosen. For a stratified sampling process, two or more strata are defined and then random samples are taken from each stratum.
questionnaire question quidelines
- understandable words
- clear and concise
- short and simple
- one question at a time
- be specific not vague
- don’t show interviewers opinions