MKT 500 Lecture Notes - Lecture 6: Quota Sampling, Simple Random Sample, Nonprobability Sampling
9 Dec 2017
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Every close-ended question should have a code number associated wth every possible response. Use single-digit (cid:272)ode (cid:374)u(cid:373)(cid:271)ers (cid:271)egi(cid:374)(cid:374)i(cid:374)g with (cid:862)1(cid:863) i(cid:374)(cid:272)re(cid:373)e(cid:374)ti(cid:374)g the(cid:373) (cid:271)y 1 a(cid:374)d usi(cid:374)g the logical direction of response scale. Use the same coding system for questions with identical response options. Check all the apply, can be coded as a special case of yes or no (consider 1 for yes and 0 for no. Set up coding system before questionnaire is finalized, although some more coding might be needed after. Online questionnaires often do coding for you. Example code books: gender- 1= male 2= female marital status: 1= single 2= married 3= divorced 4= other. Step 8: determining the sample plan and size. Population- the entire group under study as defined by research objectives. Census is used to: plan public services including health care, education, and transportation, determine federal transfer payments.
