Effect of label elements in bottled water: Impact on consumer preferences, purchase intentions and health perception through affective sensory tests
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ABSTRACT:
SUBMITTER: Silva-Paz R
PROVIDER: S-EPMC11336444 | biostudies-literature | 2024 Jul
REPOSITORIES: biostudies-literature
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Project description:Genetically Modified Foods (GMF) have emerged as a significant topic within the global food industry, provoking extensive debates over their safety and impact on consumer choices. This research aims to explore the impact of knowledge and trust in GMF on Vietnamese consumers' perceptions and their subsequent purchase intentions. By employing a quantitative methodology, this study gathered data from 424 valid respondents. The research model focuses on five constructs: knowledge, trust, perceived benefits, perceived risks, and purchase intentions. The data was analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM) to test hypotheses and examine the interrelationships among these constructs. The results showed that increased knowledge of GMF is linked to heightened perceptions of benefits and reduced perceptions of risks, thereby elevating purchase intentions. Trust in GMF significantly enhances perceived benefits but does not significantly affect risk evaluation, although it is positively correlated with purchase intentions. Moreover, perceptions of greater benefits are positively associated with higher purchase intentions, whereas increased risk perceptions negatively influence them. These results underscore the complex relationship among knowledge, trust, perceived benefits, and perceived risks in shaping consumer purchase intentions toward GMF. The study proposes a comprehensive model delineating how knowledge and trust impact Vietnamese consumers' perceptions and purchase intentions regarding GMF. These findings provide implications for policymakers, business managers, and marketers, emphasizing the importance of disseminating transparent information, prioritizing trust-building, and adopting nuanced communication strategies. By effectively enhancing perceived benefits and addressing perceived risks, these strategies aim to foster positive consumer intentions and behaviors toward GMF.
| S-EPMC11446447 | biostudies-literature
Project description:BackgroundOrganic farming is a relatively new concept in developing countries compared to developed countries. Understanding the factors affecting consumers' willingness to pay for organic foods is critical to increasing the production of these products. This study aimed to develop and validate a Persian version of the questionnaire for assessing determinants of organic food purchase intention among adults in Tehran, the capital of Iran.MethodsThe study was conducted in a two-phased standardized methodology in 2019. During Phase 1, a draft questionnaire was developed based on a comprehensive literature review. In phase 2, validation of the instrument was performed. Participants included a multidisciplinary expert panel comprising 14 members to evaluate content validity, a sample of lay people to assess face validity (n = 20), internal consistency (n = 300), and test-retest reliability (n = 62). The internal consistency and test-retest reliability were measured using the intraclass correlation coefficient (ICC) and Cronbach's alpha.ResultsForty-nine of 57 items had a CVR above 0.51 and were retained in the questionnaire. Three items were added to the questionnaire. The average CVI for the questionnaire was 0.97. Cronbach's α and ICC of the entire questionnaire were 0.86 and 0.93, respectively. Each phase of development progressively improved the questionnaire, resulting in a final 52-item questionnaire divided into 9 dimensions, including knowledge, attitude, subjective norms, health consciousness, environmental concerns, perceived convenience of purchase, perceived cost, sensory characteristics, and purchase intention.ConclusionsThe developed questionnaire appears to be a valid and reliable instrument for examining determinants of consumer intentions to purchase organic food.
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| S-EPMC11560474 | biostudies-literature
Project description:The sensory quality of infant formula (IF) has a significant impact on the preferences and purchasing behavior of maternal consumers. Consumer-based rapid descriptive methods have become popular and are widely preferred over classical methods, but the application of Pivot Profile (PP) in IF is still little explored. In this study, both Pivot Profile (PP) and Quantitative Descriptive Analysis (QDA) were applied to characterize the sensory profile of 12 batches of one-stage and three-stage IF with different storage periods, respectively, along with consumer preference data to determine the flavors contributing to liking. The results of PP and QDA aligned moderately well, with the most perceptible differences identified as "fishy", "milky", and "T-sweet" attributes. IFs with shorter storage times were highly associated with "milky" aromas and "T-sweet" tastes, whereas IFs with longer storage times exhibited a strong correlation with "fishy" and "oxidation" aromas. External preference analysis highlighted that the occurrence of "fishy" and "oxidation" aromas during prolonged storage periods significantly reduced the consumer preference for IFs. Conversely, the perception of "milky" and "creamy" aromas and "T-sweet" tastes may be critical positive factors influencing consumer preference. This study provided valuable insights and guidance for enhancing the sensory quality and consumer preference of IF.
| S-EPMC11394814 | biostudies-literature
Project description:Intact sarcasm perception is a crucial component of social cognition and mentalizing (the ability to understand the mental state of oneself and others). In sarcasm, tone of voice is used to negate the literal meaning of an utterance. In particular, changes in pitch are used to distinguish between sincere and sarcastic utterances. Schizophrenia patients show well-replicated deficits in auditory function and functional connectivity (FC) within and between auditory cortical regions. In this study we investigated the contributions of auditory deficits to sarcasm perception in schizophrenia.Auditory measures including pitch processing, auditory emotion recognition (AER) and sarcasm detection were obtained from 76 patients with schizophrenia/schizo-affective disorder and 72 controls. Resting-state FC (rsFC) was obtained from a subsample and was analyzed using seeds placed in both auditory cortex and meta-analysis-defined core-mentalizing regions relative to auditory performance.Patients showed large effect-size deficits across auditory measures. Sarcasm deficits correlated significantly with general functioning and impaired pitch processing both across groups and within the patient group alone. Patients also showed reduced sensitivity to alterations in mean pitch and variability. For patients, sarcasm discrimination correlated exclusively with the level of rsFC within primary auditory regions whereas for controls, correlations were observed exclusively within core-mentalizing regions (the right posterior superior temporal gyrus, anterior superior temporal sulcus and insula, and left posterior medial temporal gyrus).These findings confirm the contribution of auditory deficits to theory of mind (ToM) impairments in schizophrenia, and demonstrate that FC within auditory, but not core-mentalizing, regions is rate limiting with respect to sarcasm detection in schizophrenia.
| S-EPMC3855910 | biostudies-literature
Project description:Usually, studies on the informal economy focus mainly upon those working in the informal economy (supply side). However, many exchanges in the informal economy are initiated by purchasers asking how much a good or service costs if paid cash in hand. Therefore, the aim of this paper is to advance understanding of who make purchases in the informal economy and the reasons of the consumers making these purchases (demand side). Two potential explanations are evaluated. Firstly, consumers are explained as rational economic actors seeking a more convenient deal or profit maximisation (i.e., lower price or better value for money), making purchases from the informal economy due to the lack of availability of the product or service they need on the formal market, or they make such purchases involuntarily, due to the lack of perfect information necessary to make a fully rational economic decision when purchasing. Secondly, the consumers are portrayed as social actors pursuing community help. Using a multilevel mixed-effects logistic regression analysis on a 2019 Eurobarometer interviews in 27 EU member states and the UK reveal how the prevalence of these motives significantly varies across populations and regions. The theoretical and policy implications of the findings are discussed in the concluding section.
| S-EPMC8519443 | biostudies-literature
Project description:Expectations play important roles in consumers' purchase decisions. Among many types of expectations, consumers often form expectations on future market conditions when purchasing goods or services. This study develops a multiple-selves intertemporal choice model for such expectation-based purchase decisions, incorporating behavioral factors such as present-biased preferences into the model. An analysis based on the model shows that consumers adopt a threshold perception-perfect strategy when making purchase decisions and the threshold depends on values of model parameters that capture expectations on key market conditions. Different consumers often have different parameter values, leading to heterogeneous behavior. The study further applies the model to explain observations from medical service consumption data during the COVID-19 pandemic, and shows that the expectation-based purchase model provides a sound explanation for the observed heterogeneous purchase decisions across individuals with different incomes and health insurance status.Supplementary informationThe online version contains supplementary material available at 10.1007/s11002-022-09650-7.
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Project description:Mobile shopping is increasing in prevalence and has become a necessary part of many people's daily lives. However, one main channel for mobile shopping, mobile shopping applications (apps), has not been thoroughly investigated. This study focused on mobile text advertising delivered from mobile shopping apps using the intention to purchase as the dependent variable for testing its marketing effect. In the context of a promotion focus vs. a prevention focus, we used Higgins' regulatory focus theory combined with Ajzen's TPB and Herzog's U&G to analyze the mechanism by which consumers formulate an intention to purchase in a mobile advertising context. This empirical study surveyed 320 consumers who had made a purchase using a mobile shopping app in the previous month. The results showed that infotainment, irritation, and subjective norms were significantly associated with attitudes; in turn, attitudes mediated the impact of these three factors on the intention to purchase. Moreover, a high promotion focus not only strengthened the positive effect of infotainment on attitudes but also intensified the mediation effect of attitudes between infotainment and the intention to purchase. A high prevention focus also consolidated the negative effect of irritation on attitudes as well as reinforced the mediation effect of attitudes between irritation and the intention to purchase. Furthermore, attitudes, subjective norms, and perceived behavioral control collectively impacted the intention to purchase. These findings shed light on ways to customize goods information in mobile advertising and have strong theoretical and practical implications.
| S-EPMC5481363 | biostudies-other
Project description:BackgroundWe investigated the association between the consumer attitudes of European parents and their children's taste preferences and food choice. Furthermore, we studied whether the parental consumer attitudes were related to education level.MethodsThis analysis included 1,407 IDEFICS study children aged 6.0 to 11.8 years and from 7 European countries, who participated in the sensory taste perception module between 2007 and 2010. Parental consumer attitude was operationalized as 'trusting in foods known from advertisements' (trusting advertisements) and as 'not avoiding additives in food' (not avoiding additives). Parents reported their educational attainment and completed a food frequency questionnaire for their children. Consumption frequencies of sweet, fatty and processed foods as well as a healthy diet adherence score were calculated. Children performed fat, sweet and umami taste preference tests. Multivariable logistic models were used to analyse the association between parental consumer attitudes and their children's taste preference frequencies as well as parental education. Linear regression models were used to analyse the association between parental consumer attitudes and their children's food consumption.ResultsParental consumer attitudes were not associated with children's fat, sweet and umami taste preferences. Children of parents trusting advertisements consumed more frequently processed foods (β = 1.21, 95% CI: 0.49; 1.93). Children of parents not avoiding additives consumed more often sweet, fatty and processed foods and had a lower healthy diet adherence score (β = 2.37, 95% CI: 1.03; 3.70; β = 2.27, 95% CI: 1.12; 3.43; β = 0.91, 95% CI: 0.22; 1.59; β = -2.87, 95% CI: -3.89; -1.85, respectively). Unfavourable parental consumer attitudes were associated with a lower parental education level across Europe (Compared to high education: Odds Ratio (OR) of trusting advertisements with medium education: 1.04, 95% CI: 0.77; 1.40; OR with low education: 2.01, 95% CI: 1.15; 3.54; OR of not avoiding additives with medium education: 1.91, 95% CI: 1.44; 2.54; OR with low education: 1.76, 95% CI: 0.96; 3.24).ConclusionsAcross Europe, unfavourable parental consumer attitudes are associated with a lower diet quality of their children. Parental consumer attitudes in turn were associated with their own level of education. This has implications for policy makers, interventions and health promotion programmes that aim to promote healthy eating.
| S-EPMC6070197 | biostudies-literature