Why is a high response rate desired? How would a low response rate affect survey results?
Answer to relevant QuestionsSuppose a survey asks, “Do you own any CDs?” Explain how this could be interpreted in more than one way. Suggest a way in which the question could be improved. A school psychologist wants to test the effectiveness of a new method for teaching reading. She recruits 500 ﬁrst-grade students in District 203 and randomly divides them into two groups. Group 1 is taught by means of the ...Professor Andy Neill wanted to determine if the reaction time of people differs in their dominant hand versus their nondominant hand. To do this, he recruited 15 students. Each student was asked to hold a yardstick between ...Harris Interactive conducted a poll of U.S. adults in which the survey participants were asked, “When there is a voiceover in a commercial, which type of voice is more likely to sell me a car?” Results of the survey are ...The following data represent the percentage of total adjusted gross income (AGI) earned by various income classes. The top 1% represents the percentage of total AGI earned by those whose income is higher than 99% of all ...
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