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On the adequacy of the experimental approach to construct validation: the case of advertising literacy.

ABSTRACT: Given the significant number of the studies conducted to explore construct validity, adopting various approaches, and the paucity of the studies that employed the experimental approach to validation, the current study was aimed at exploring the adequacy of the experimental approach to construct validation, drawing upon advertising literacy as the construct of the researchers' concern. To this end, the researchers pursued the experimentation, test administration, and validation phases, respectively. To identify the effect of the experimentation, an independent samples t-test was run; there was a significant difference between the experimental and control groups. The closing phase was devoted to verification of the construct validity of the test. Hence, it was referred to the divergence of scores on the test of advertising literacy and a midterm examination of general English proficiency. The results indicated a low correlation between the two sets of scores. Therefore, it could be argued for the desirable degree of construct validity. Accordingly, the adequacy of the approach is evidentially verified.

SUBMITTER: Salehi M

PROVIDER: S-EPMC6525293 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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On the adequacy of the experimental approach to construct validation: the case of advertising literacy.

Salehi Mohammad M Farhang Afsaneh A

Heliyon 20190515 5

Given the significant number of the studies conducted to explore construct validity, adopting various approaches, and the paucity of the studies that employed the experimental approach to validation, the current study was aimed at exploring the adequacy of the experimental approach to construct validation, drawing upon advertising literacy as the construct of the researchers' concern. To this end, the researchers pursued the experimentation, test administration, and validation phases, respective ...[more]

PMID: 31193249

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Project description:Watching vlogs of social media influencers has become a favorite pastime for children and adolescents. For advertisers, vlogs are an excellent way to reach young viewers. As such, vlogs have become a powerful marketing tool. However, for children and adolescents it is often unclear whether a vlog contains advertising, which raises questions regarding the fairness and transparency of this type of advertising. If children do not recognize the commercial intent of in-vlog advertising, then they are unlikely to activate their advertising literacy, which may serve as a critical coping mechanism. The aim of this study was to investigate if a sponsorship disclosure stimulates children and adolescents' (7-16 years old) to activate their advertising literacy when exposed to embedded advertising in vlogs and, subsequently, if advertising literacy activation is related to children's brand attitude. Furthermore, we investigated whether the relation between exposure to a sponsorship disclosure and advertising literacy activation was moderated by children's dispositional advertising literacy and their age. An innovative aspect of the current study is that advertising literacy activation was measured in two ways: with a self-reported questionnaire and via an indirect measurement task (Advertising Literacy Activation Task). The results showed that the children who were exposed to a sponsorship disclosure did not activate their advertising literacy to a higher extent than the children who were not exposed to such a disclosure. This might be because of the high prominence of the brand in the vlog; thus children may not have needed the disclosure to realize that the vlog was sponsored and accordingly activate their advertising literacy. The results also showed that stronger attitudinal advertising literacy activation led to a more negative brand attitude. Interestingly, this effect was only found when attitudinal advertising literacy was assessed with a questionnaire and not when it was assessed with the indirect measurement task. Thus, children who were more critical toward the in-vlog advertisement through self-reporting also had a more negative brand attitude. This suggests that direct and indirect measurements of advertising literacy activation reveal different processes through which children make sense of, and are affected by, advertising.

Project description:BACKGROUND:To help address rising rates of obesity in children, evidence is needed concerning impacts of common forms of marketing for unhealthy child-oriented food products and the efficacy of educational interventions in counteracting any detrimental impacts of such marketing. This study aims to explore parents' responses to advertising for unhealthy children's food products that employ different types of persuasive appeals and test whether a counter-advertising intervention exposing industry motives and marketing strategies can bolster parents' resistance to influence by unhealthy product advertising. METHODS:N?=?1613 Australian parents were randomly assigned to view online either a: (A) non-food ad (control); (B) conventional confectionery ad (highlighting sensory benefits of the product); (C) pseudo-healthy confectionery ad (promoting sensory benefits and health attributes of the product); (D) conventional confectionery ad + counter-ad (employing inoculation-style messaging and narrative communication elements); (E) pseudo-healthy confectionery ad + counter-ad. Parents then viewed various snacks, including those promoted in the food ads and counter-ad. Parents nominated their preferred product, then rated the products. RESULTS:Exposure to the conventional confectionery ad increased parents' preference for the advertised product, enhanced perceptions of the product's healthiness and reduced sugar content and boosted brand attitude. Exposure to the pseudo-healthy confectionery ad increased parents' preference for the advertised product, and enhanced perceptions of healthiness, fibre content and lower sugar content. The counter-ad diminished, but did not eliminate, product ad effects on parents' purchasing preference, product perceptions and brand attitudes. The counter-ad also prompted parents to perceive processed foods as less healthy, higher in sugar and lower in fibre and may have increased support for advertising regulation. CONCLUSIONS:Exposure to unhealthy product advertising promoted favourable perceptions of products and increased preferences for advertised products among parents. Counter-advertising interventions may bolster parents' resistance to persuasion by unhealthy product advertising and empower parents to more accurately evaluate advertised food products.

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On the adequacy of the experimental approach to construct validation: the case of advertising literacy.

Publications

On the adequacy of the experimental approach to construct validation: the case of advertising literacy.

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