1. You are no doubt familiar with Internet search engine companies that find online sources pertaining to words, phrases, or questions entered by users. Can you identify research problems likely to be addressed by a search engine company such as Google? What type of research design would you recommend for these problems?
2. Design an experiment. Select an independent variable and a dependent variable. What are some possible extraneous variables that may cause problems? Explain how you would control for the effects these variables may have on your dependent variable. Is your experiment a valid one?