Di disadvantage the quality of the sample results th

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Unformatted text preview: on. It It is a nonprobability sampling technique. Advantage Advantage: It is a relatively easy way of selecting a sample. Di Disadvantage: The quality of the sample results Th lit depends depends on the judgment of the person selecting the sample. Example Example: A reporter might sample three or four senators, judging them as reflecting the general opinion of the senate. Slide 33 33 11 Empirical Analysis All All above lead to “Empirical” Analysis • Using data • Determine quantitative relationships among variables Steps of Empirical Analysis follow Steps of Empirical Analysis follow • NOTE: modified for regression analysis Slide 34 Empirical Analysis Steps • Step #1: Formulate Model • Many sources – Theory – Experiences – Logic • Dependent variable (DV) – Want to explain its behavior • Independent variable (IV) – Influence/cause behavior of DV Example: Example: Does market size influence profit? Slide 35 Step #1 Formulate Model • Step #1 example: Does market size influence profit? • PROFIT • MKTSIZE (market size) • PROFIT...
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