True or False with these questions. (can fill with "notsure")
1. Marketing research is a must for a marketer to make anymarketing decision.
2. The time involved in primary data collection may render thestudy obsolete
3. In drawing a sample with stratified sampling, the populationis divided into internally heterogeneous subgroups
4. The non-response error in face-to-face survey is moreprominent than in mal survey.
5. The introduction of a four-day week, leads to increasedproductivity particularly among young workers by improving jobsatisfaction "in this statement, improving job satisfaction is thedependent variable"
6. An experience survey is superior to a focus group since ituses experts.
7. In cluster sampling, we randomly choose elements from eachsubgroup.
8. The two-stage research approach often uncovers evidence thata major study is unnecessary in the first stage.
9. A codebook, or coding scheme, contains each variable in thestudy and specifies the application of coding rules to thevariable.