Nominal vs Nominal
Part 4: Reporting
A report from the example could go something like shown below.
The marketing department was curious if seeing the commercial would change the preference from potential customers. We asked respondents which of the three brands was their favorite, then showed a commercial from each, and asked the same question again. The results are shown in Figure 1.
From Figure 1 we can see that less people chose brand A after seeing the commercial, and more people chose brand C. A Bhapkar test revealed that the commercials have a significant effect on the overall results, χ2(2, N = 128) = 15.42, p < .001. A McNemar post-hoc test with Bonferroni adjustment revealed that the proportions before vs after changed significantly for brand A (p = .003) and brand C (p = .005). It appears that commercials can have an effect, but not for every brand. During the focus session we discussed further why people changed. ....... |
Note the final paragraph explains the some-what technical results into more understandable English, something many readers would often appreciate.
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