Experimental Design

Experimental Design - ⇒ Depth and Breadth of Information...

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Unformatted text preview: ⇒ Depth and Breadth of Information : Little Lot Causal • Concomitant Variation • Time Order • Experimentation ♦ Experimental Design ♦ Quasi vs. True ♦ Randomization ♦ Control Exploratory From Before: Research Designs From Before: Research Designs Descriptive Methods • cross-tabs • t-tests • ANOVA • regression • Focus Groups • Literature Search • Experience Survey • Content Analysis Little Information: Information: Lot Exploratory Causal Causality Causality-- one variable is said to be the cause of another when all other explanations for the effect have been eliminated . Descriptive Research Designs Research Designs A: No, we INFER causality i.e., “We probe but do not prove causality.”- Kerlinger Q: Is it possible to eliminate all other causes? Causal Inference Causal Inference Q: Let’s say that Macintosh’s sales went up 45% the week following the Super Bowl. This sales increase is unprecedented in its history and unmatched by its competitors. Based on these findings, do you recommend buying ad time again next year? Why or why not? My A : I don’t b/c what if the sales spike was totally unrelated to the ad? For instance, what if I told you that, the same week, Consumer Reports came out with its PC ratings and Imacs were rated “Superior”....
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This note was uploaded on 06/23/2011 for the course MKTG 352 taught by Professor ? during the Summer '10 term at South Carolina.

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Experimental Design - ⇒ Depth and Breadth of Information...

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