Persuasive Advertising: Evidence-based Principles
Was that a good idea? When consumers expect to report about their satisfaction with a product or service, they adopt a critical attitude and search for things that are wrong. This leads them to have a less enjoyable experience. Their complaints may also reduce satisfaction for those providing the services. This principle is widely violated by hotels, automobile dealerships, telephone companies, stock brokers, and other firms that routinely use preannounced satisfaction surveys. Universities have long used them in an attempt to assess student satisfaction; unfortunately, they reduce student and teacher satisfaction, harm learning, and increase administrative costs Armstrong Evidence on the effects of preannounced satisfaction surveys Experiments were conducted with a computer company, electric utility, supermarket, drug store, magazine, and electronic equipment company.
Some customers, randomly assigned, were told that they would be asked later about their satisfaction with the service, while others were not informed about the satisfaction survey.
In the follow-up satisfaction survey, those in the pre-announced-survey group were much less satisfied than those who had not expected to receive a satisfaction survey. A role-playing experiment of a banking service was used to evaluate responses to a negative situation rude behavior by a bank teller.picbovencontprew.tk
Persuasive Advertising: Evidence‐based Principles | Emerald Insight
The subjects in a preannounced survey group gave a substantially poorer rating of service quality than did those who were not told there would be a satisfaction survey. They also reported themselves as being more likely to switch banks. Usefulness of evidence-based principles The value of evidence-based principles would be related not only to their validity, but also to the extent to which they lead to advertising procedures that differ from common sense and from current practice.
Guessing would lead to a score of about 8 out of The median score for the people who took this test online in late October and early November was 8. Thus, the principles are not just common sense. To test whether the principles are being learned in other courses or reading, a item true-false test was administered to 18 Wharton undergraduates on their first session in an upper- level undergraduate advertising class at the Wharton School in January As this was a higher-level course, most had taken relevant courses such as consumer behavior or communications. In addition some had read relevant pop-management books, and a few had relevant work experience.
The test was one that had been prepared for the final exam in this course, so the goal was to include as many of the principles as possible via true-false questions. The students were correct on The scores for those with a more extensive background— based on prior courses, experience, and reading — scored marginally lower than those with less relevant backgrounds.
Diffusion of knowledge about evidence-based principles In some fields such as in engineering and the natural sciences, the basic principles are accessible in textbooks. To see whether some principles have been passed along by advertising textbooks, I, along with two research assistants, examined a convenience sample of nine advertising texts. The number of references was counted, and then we then coded which were research papers primarily those published in academic journals or presented at academic conferences. In addition, we examined the overlap between the references in the textbooks and the references in PA.
The findings are provided in Table 2.
Few of the references in PA were cited in the textbooks, most of these being in the books by Rossiter. Excluding Rossiter, there were only 3 citations. We went though each textbook page by page to count the number of persuasion principles that were presented. We found no evidence-based principles in these textbooks.
Note that Rossiter and Bellman differs substantially from other textbooks in its heavy reliance on the research literature. There were 13 papers that overlapped with PA. However, these 13 references were not used to present principles. The above analyses of textbooks were limited to persuasion.
To be sure, there are many other areas of advertising. However, the general lack of use of academic research in some of the 2 In a related study, based on a sample of leading texts on marketing principles, Armstrong and Schultz could find no evidence-based principles. Researchers have probably also made contributions in the other areas. That study coded 21 textbooks, two of which were by well- known experts on meta-analysis, which I excluded from the following analysis.
The objective was to assess whether the findings in the books were consistent with the evidence, as determined from earlier meta-analyses. Eleven widely studied areas were included e. None of the textbooks disagreed with the notion that evidence is persuasive.
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But for the remaining 10 areas, there were 13 cases where the textbooks agreed with the evidence, 15 where they conflicted, and 13 where their position was not clear. They also ignored many of topics. In short, the textbook writers paid little attention to the prior experimental evidence in presenting generalizations.
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There was no use of principles. Overcoming barriers to evidence-based advertising To encourage the use of evidence-based principles, it is important to make them easily available to advertisers and advertising agencies, when they need it. In medicine for example, sites such as Cochrane. In addition, the principles should be understandable. Finally, they should be actionable.
These criteria were used for the design of adprin. Apparently, adprin. By mid, visits were running at the rate of 40, per month. Researchers can publish evidence-based findings on AdPrin. This would also allow them to stake a claim for their discovery prior to journal publication, and to obtain feedback from others.
Some agencies will try the principles in hopes of gaining a competitive advantage. Others might contribute to the development of principles as a way of advancing the field even if they share only a portion of the gains. Furthermore, advertisers might ask their agencies to implement these principles or to explain why they do not do so. The AdPrin Audit software will, after some practice, enable them to rate the effectiveness of an advertisement in about an hour per coder — and, most important, to suggest how to improve the ad.
Suggestions for further research I examined the rate of progress in developing useful evidence-based findings on persuasive advertising. This was assessed by examining the number of papers that contributed to the development of principles over the past decade. Of the references in PA that were published from up to , I identified those that contained evidence related to the principles. This yielded references, or about 1. Given that there are thousands of academicians who are publishing in fields related to persuasion, this productivity seems low.
I looked at the authors or teams who were most cited for support on the principles defined as those cited in the development of the principles on pages 26 though of PA to see if their papers on principles were among that top papers list. Table 3 lists those who contributed to at least six principles.
Of these, only Stewart et al were listed among the authors of the 75 most-cited advertising papers. Koslow 28 Walker, D.
Burke 10 Cialdini , R. Wedel 8 Jacoby, J. Hoyer 7 Woodside, A.
Journals typically reject such papers. This occurs because the current peer review system allows reviewers to block, or at least delay, findings with which they disagree. The reviewers who received the disconfirming version were much more likely to reject the paper, explaining that the methodology was flawed. As it happened, the methodology was the same for both versions of this fictitious submission.
For further evidence, see Armstrong and and Benda and Engels Another explanation is that the use of statistical significance has led researchers to ignore practical significance. For example, the Journal of Economic Perspectives invites researchers to publish papers on specified topics and these authors seek their own peer review. Papers could be invited for important principles that lack strong evidence. Papers could also be invited for replications of important evidence-based papers. Researchers could then focus on the topic without fear of being rejected should their findings challenge existing beliefs.
Reviewers would be asked how to improve each paper. The cost of invited papers is low because all invited papers are accepted, whereas under the traditional approach, about seven papers are reviewed for every one accepted. In addition, invited papers are expected to have higher impact. In a study involving research on forecasting, papers receiving special treatment primarily invited were judged as 20 times more impactful. Impact was based on two factors: the citation rate and whether findings were useful in the development of forecasting principles. One idea is to direct researchers to areas that currently lack experimental evidence.
Many of the persuasion principles require more evidence.
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Of the persuasion principles, three rested on common sense and thus required no testing. A summary of the amount of evidence for the principles is provided in Table 4. My codings for the principles are provided in the Research Repository at AdPrin.