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This paper aims to determine the effect of the congruence between a website's background color and its context (product category) on online trust and resulting behavioral intentions in emerging markets.

An online experiment, conducted on 240 web-surfers, compared two versions of a website (high vs low color-context congruence) in terms of online trust and resulting behavioral intentions. The authors also studied the moderating role of the online shopping experience on the color-context congruence impact on online trust.

Results revealed that a website's color-context congruence enhances online trust. The authors have also demonstrated that online trust plays a mediating role in the relationship between color-context congruence and behavioral intentions. Moreover, they found out that the influence of the color-context congruence on online trust is enhanced when the web-surfer is highly experienced in online shopping.

This research contributes to fill in the theoretical gaps and to better understand the influence of color-context congruence on online trust and behavioral intentions in emerging markets. Indeed, past studies had focused on the color impact on online trust without taking into consideration congruence with the website context. However, this study is limited to a single category of products (tourist products) and only two colors (blue and red) were manipulated in the experiment.

This study highlights the importance of selecting a background's color that matches with the sold product category to reassure web-surfers so that they trust the commercial website and express some favorable intentions like buying.

Prior studies had focused on the website's color effect on online trust neglecting color-context congruence. Our study helps to highlight the importance of selecting background colors matching the product category.

Social media has emerged as a prominent platform for marketers and brands to disseminate brand-related information. This study aims to investigate the impact of color congruence between themes and background on marketing effectiveness, focusing specifically on Instagram.

A laboratory experiment was conducted to investigate how color congruence between themes and background in brand posts influences flow and aesthetic experience, subsequently affecting marketing communication parameters such as brand attitude, visit intention, and eWOM on Instagram. Moreover, Adidas Originals was selected as the focal brand, and blue and white color was chosen as the primary color palette for the experimental material.

This study demonstrates that color congruence, regardless of brand layout or post, significantly influences flow and aesthetic experience, subsequently affecting marketing effectiveness.

This study contributes to the theoretical understanding of congruence theory and social media marketing, providing valuable insights for brands to enhance their communication through photographs and effectively manage their official Instagram accounts.

The purpose of this paper is to propose an agile methodology for the development of food products that has two key characteristics: (1) consumers are included as co-creators and (2) the assessment of environmental impacts plays a central role.

In collaboration with a French small-to-mid-size enterprise, a research-intervention approach was used to test the agile methodology designed, which features three iterative runs of food product development. In each run, prototypes were presented and modified with consumers during focus groups. Life cycle analysis assessed the relative environmental impacts of the prototypes. The research data from consumers were mainly qualitative.

The main result of this work is the implementation of a methodology to develop new food products in an efficient way by integrating consumers' insights and environmental concerns simultaneously. The method was successful in integrating consumers as co-creators and in drawing attention to the potential environmental effects of different prototypes for the decision-making process.

The research is based on a single case study. Thus, generalisation to other companies is limited. The authors invite further research focussed on different types of companies. The methodology and the tools could be modified to suit a variety of contexts.

This work addresses the need for guidelines to integrate consumers and environmental considerations into the food development process by testing an agile methodology with a company. It contributes to the scope of sustainable and consumer-oriented food innovation management.

Let p_[1,r;t] be defined by ∑n=0∞p[1,r;t](n)qn=(E1Er)t, where t is a non-zero rational number, r ≥ 1 is an integer and Er=∏n=0∞(1−qr(n+1)) for |q| < 1. The function p_[1,r;t](n) is the generalisation of the two-colour partition function p_[1,r;−1](n). In this paper, the authors prove some new congruences modulo odd prime ℓ by taking r = 5, 7, 11 and 13, and non-integral rational values of t.

Using q-series expansion/identities, the authors established general congruence modulo prime number for two-colour partition function.

In the paper, the authors study congruence properties of two-colour partition function for fractional values. The authors also give some particular cases as examples.

The partition functions for fractional value is studied in 2019 by Chan and Wang for Ramanujan's general partition function and then extended by Xia and Zhu in 2020. In 2021, Baruah and Das also proved some congruences related to fractional partition functions previously investigated by Chan and Wang. In this sequel, some congruences are proved for two-colour partitions in this paper. The results presented in the paper are original.

The purpose of this paper is to contribute to a better understanding of web-surfers’ conative reactions to websites’ dominant hue by taking into account mental imagery’s role.

A conceptual model considering mental imagery as a mediator of web-surfers conative reactions to websites’ dominant hue was tested. It also supposes that mental imagery promoted by websites’ dominant hue is moderated by web-surfers’ involvement towards the product sold. To validate this model, an online experiment was conducted with a sample of 400 web-surfers.

Results reflect the importance of “vividness/clarity” and “valence” dimensions of mental imagery. In fact, hues congruent with the website’s content seem to be more able to generate vivid and positive mental images which affect positively web-surfers’ conative reactions. However, this relationship is reversed when web-surfers are strongly involved with the product sold.

Although this study focused on a particular product category, the obtained results can help the research community to understand better conative reactions of web-surfers to websites’ dominant hue through the consideration of mental imagery’s role.

Findings can help managers to better the performance of their commercial websites through the choice of the adequate background hue.

This study highlights the importance of mental imagery prompted by dominant website’s hue taking into account its congruence degree with the website’s content. It provides empirical evidence about its mediating role.

The purpose of this paper is to analyse and discuss how sensory cues are preferred in relation to products, service and store image in a retail context and why retailers should consider the importance of congruence in a retail setting.

Four qualitative focus group discussions were conducted, following a semi-structured interview guide. A total of 24 participants discussed how and why a lighting department in an IKEA store in Sweden could be regarded as more appealing than the traditional layout.

The findings indicate that congruency works as a mediator between a retail setting, sensory cues, products, service and store image. Consumers prefer, compare and categorize sensory cues in relation to the specific product in the department, the service offered by the firm and the store image.

A model is developed that conceptualizes congruency as a mediator in a retail setting, which provides an opportunity to further explore external influences on congruency in retail settings, both conceptually and empirically.

A product colour plays an important role in consumers’ preferences. The purpose of this paper is to highlight the impact of the three-dimensional character of colour (brightness, saturation and vividness) on children’s behaviour towards a food product and as a source of well-being.

Two experiments were conducted. Study 1 was conducted with 62 children and used four visuals of syrup presenting two colours (red/green) and two variations of vividness (vivid/dim). Study 2 was conducted with 70 children and used four pictures of stewed apples and four pictures of pouches to test the influence of each dimension of colour on children’s preferences for the product and the product packaging.

Results show that the three-dimensional character of colour plays an important role in children’s gustatory inferences and well-being.

The study is restricted to one food product (in each study) habitually consumed by children. Other products could be investigated to show how colour can contribute to children’s well-being.

The paper addresses the issue of well-being as a potential brand-positioning element.

The paper suggests new avenues to use the brightness/saturation or vividness of a product or packaging colour as a potential element to arouse positive sensations that generate children’s well-being even when the product is not a preferred one.

This works initiates creative thinking concerning the impact of a product colour on children consumers.

This study aims to investigate the effect of color temperature on consumption. Color is one of the most powerful elements of sensory marketing. However, how warm and cool colors drive consumer indulgence and interact with other visual cues is minimally understood.

This research conducts six experiments to investigate the effect of eight warm and cool colors and the effect of warm/cool color’s interaction with reflectance on indulgent consumption/use in various retail environments.

Studies 1a and 1b support the contrasting effects of warm vs cool colors on consumers’ indulgent consumption. Studies 2a and 2b establish the serial mediating role of arousal and self-reward focus in the color-indulgence relationship. Study 3a demonstrates the interactive effect of warm (vs cool) colors and glossy (vs matte) reflectance on consumer indulgence, and Study 3b confirms how glossy (vs matte) reflectance moderates the serial mediating effect of arousal and self-reward focus in the color-indulgence relationship.

This research contributes to the growing stream of research on the visual aspect of sensory marketing, especially color, and advances the theoretical knowledge of how color could be used effectively to influence consumer indulgence.

This research provides actionable managerial implications on the effective use of warm and cool colors and glossy and matte reflectance to influence consumer indulgence.

This research advances the theoretical and empirical knowledge of color’s interaction with other visual sensory cues and the underlying psychological processes shaping consumer indulgence.

The aim of this paper is, by using a semiotic approach to marketing, to evaluate the role of color and its influence on the choice behavior of children with regard to products where flavor is represented by color.

The study was carried out as an experiment with children aged between 7 and 11 years of age.

The study showed that the color codes of the market are not used very much by children to make their product choice and also that the influences of metonymical logic (color of the component responsible for the flavor) and aesthetics (favorite color) dominate this choice. In a choice situation, flavor preference prevails more often over color preference.

From an academic point of view, this paper informs the studies in sensory marketing used in the children's market. In particular, it enhances the work on the impact of color on children's decision‐making process. From a methodological point of view, it adds to the range of experimental designs used to research the child target.

While most marketing research on organic products refers to the premium price levels of organic products, little research exists on consumers’ behavioural responses to price promotions or discounts of organic products. The present study aims to fill this research gap.

To develop alternative hypotheses about consumers’ behavioural responses to price promotions of organic fast-moving consumer good (FMCG) products, the authors used the researcher-introspection method in a pre-study. To test the hypotheses developed based on the pre-study, the authors conducted a field experiment on online advertising of an FMCG sold in drugstores. In the field experiment, the authors exposed consumers to an online ad featuring either a price promotion (−20%) or the regular price of the product. The ads also varied in terms of whether they contained explicit organic claims or not, and whether they included implicit organic cues or not.

The price promotion increased the clickthrough rate of the ad both when combined with an explicit organic claim and when combined with the implicit cue of green product pack. The results suggest that consumers do not have significant suspicions about price promotions of organic products, but rather presume that the price promotion of an organic FMCG product is a periodical promotional action, similar to the price promotions for conventional, non-organic products. Also, consumers seem to assume that the regular prices of organic FMCG products are so high that the retailer/manufacturer can well afford periodic price discounts.

The present research shifts the focus of organic marketing research from the premium price levels to the effectiveness of price promotions and discounts. Further, the present results contrast with certain earlier studies that have questioned the effectiveness of price promotions for organic products.

The results have different implications for marketing managers of brands not yet providing organic product versions in the market, of brands producing non-organic products, which cannot easily be rendered organic, and of brands offering organic products in the market.

This is, to the best of the authors’ knowledge, the first empirical study and field experiment on price promotions of organic products, including explicit organic claims.