Suppose we were interested in the influence of interviewer friendliness upon householders' responses in an opinion survey. We might train an interviewer to conduct three kinds of interviews: (1) showing inter- est, friendliness, and enthusiasm; (2) showing formality, reserve, and courtesy; and (3) showing disinterest, abruptness, and harsh formality. The interviewer would be assigned to visit 3 groups of 18 houses and was told to use interview 1 with the first group, interview 2 to the second group, and interview 3 to the last group. That is, we would obtain 18 sets of householders with 3 matched householders (equated on relevant variables) in each set. For each set, the 3 members would be assigned randomly to the 3 types of interviews. Thus, we would have 3 matched samples with 18 members each. Test whether the gross differences among the three styles of interviews influenced the number of "yes" responses given to a particular item by the three matched groups. Perform pairwise comparisons if significant differences are ob- served. Set Interview 1 Interview 2 Interview 3 1 1 3 1 0. 4. 1 6. 1 1 7 1 1 0. 8. 1 10 11 1 1 1 12 1 1 13 1 14 1 15 1 1 16 1 1 1 17 18 1 1

Suppose we were interested in the influence of interviewer friendliness upon householders' responses in an opinion survey. We might train an interviewer to conduct three kinds of interviews: (1) showing inter- est, friendliness, and enthusiasm; (2) showing formality, reserve, and courtesy; and (3) showing disinterest, abruptness, and harsh formality. The interviewer would be assigned to visit 3 groups of 18 houses and was told to use interview 1 with the first group, interview 2 to the second group, and interview 3 to the last group. That is, we would obtain 18 sets of householders with 3 matched householders (equated on relevant variables) in each set. For each set, the 3 members would be assigned randomly to the 3 types of interviews. Thus, we would have 3 matched samples with 18 members each. Test whether the gross differences among the three styles of interviews influenced the number of "yes" responses given to a particular item by the three matched groups. Perform pairwise comparisons if significant differences are ob- served. Set Interview 1 Interview 2 Interview 3 1 1 3 1 0. 4. 1 6. 1 1 7 1 1 0. 8. 1 10 11 1 1 1 12 1 1 13 1 14 1 15 1 1 16 1 1 1 17 18 1 1

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Description: Non-parametrics, k related samplesPlease use the Cochran-Q test Suppose we were interested in the influence of interviewer friendlinessupon householders' responses in an opinion survey. We might trainan interviewer to conduct three kinds of interview

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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