5 Written questions
5 Matching questions
- probability (scientific) sampling
- nonprobability (non scientific) samples
- convenience sampling
- sampling error
- a if a result can be PROJECTED to a larger external population. ex: college student findings cannot be projected onto the entire pop
- b each member does not have a known chance of being selected, researcher randomly chooses sampling units. inexpensive and easy. used for questionnaire testing and prelime stages
- c calculate the degree that the sample might differ from the population. larger sampling error, less likely sample possesses characteristics similar to the population
- d randomly selected samples of units from a population. each member of the target pop has a known chance of being selected. clearly defined selection procedures and sampling error can be determined.
- e nonprobability, prelime stages, conduct where large # of ppl congregate. not random, only can conclude if population is homogenous- like tast tetss
5 Multiple choice questions
- convenience sampling
- survey method that includes all of the members of a population. no sampling procedures and no generalizability issues
- individual member selected from sampling frame, provide the data. primary sampling unit= household, secondary sampling unity- 30-40yr old males within each household
- showing a series of stimulu in a specific order and not rotating the elements to avoid bias in the manner in which they were shown. sequence in which ads shown
- like stratified sampling, not random. most common form of nonprobability. must complete a quota for each strata- like 40 blacks, etc.
5 True/False questions
reliability → if a result can be PROJECTED to a larger external population. ex: college student findings cannot be projected onto the entire pop
inductive analogies → makes general conclusions based on individual observation
cross sectional survey → collect info and date from a sample of the target market or respondents during a single point in time. compare the relationships among a set of important variables based on respondents characteristics. cannot note shift in opinion.
personal interviews → longer, open ended, scheduled appointments, challenging for interviewer but flexible, can observe, locate appropriate respondent, quality data, . just as effective as phone.
5 types of prob sampling → convenience sampling