Answer Happy

Section I Short Answers (7 points) 1. We have four symbols of experimental design: O, X, R, and E. You also see them in a before-after experimental design with control group as below. What are the names for these four symbols, and explain the design shown below (2 points). O, X 02 Oz 04 Experimental group (R) Control group (R) Where E =(02-0,)-(04-03). (1) O: Observation of the dependent variable (2) X: the Treatment in the experiment (3) R: Random factor within the experiment (4) E: the Experiment taking place (5) Explain the above design: (6) If you are conducting an experiment for your new advertising of your product using the above design. You are examining people's purchase intention on a 7-point scale (1=I will not purchase at all; 7 = I will definitely purchase). Before including the new ad for your product, the purchase intention for experimental group is 3.0, and the purchase intention for the control group is 3.1. You then add the new ad to your experiment group. You measure the purchase intention again with the same questions. The purchase intention for experimental group is 6.5, and the purchase intention for control group is 3.2. What is the effect of the new advertising?