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Sugar: The master of disguise

Guedes, D.; Prada, M.

Sugar is almost everywhere. You can find it in your favorite treats, like candies, cookies, ice cream, or soda. But sugar is also hidden in places you may not expect, like yogurt, breakfast cereals, or even bread. In this article, you will learn more about how sugar sneaks into our daily foods, its effects on our bodies and minds, and how to spot it so you can make smarter choices to keep a healthy diet.

Date: 2025   |   Origin: Repositório ISCTE

Some sweeteners are tastier than others?! Examining the impact of knowing the t...

Prada, M.; Guedes, D.; Doros, A.; Saraiva, M.

Cues related to a product's composition can influence consumer perceptions of food items. For example, information about the type of sweetener used may affect perceptions of healthfulness, caloric content, and expected taste. This study builds on this topic by examining the effect of consumer awareness of sweetener ingredients on their evaluation of lemonade. Participants (n = 101) tasted five samples of lemona...

Date: 2025   |   Origin: Repositório ISCTE

Como implementar estudos normativos

Guedes, D.; Prada, M.

Este capítulo visa: (a) enquadrar as motivações para o desenvolvimento de estudos normativos; (b) descrever as etapas de desenvolvimento de bases de estímulos e respetivos dados normativos; (c) identificar principais cuidados e boas práticas no desenvolvimento e disseminação de estudos normativos.

Date: 2025   |   Origin: Repositório ISCTE

What does sustainability sound like? Crafting soundscapes that reflect environm...

Rodríguez, B.; Guedes, D.; Graça, J.; Reyes, L. H.; Garrido, M. V.; Prada, M.; Reinoso-Carvalho, F.

This paper presents a series of studies examining how soundscapes can convey the abstract and multidimensional concept of sustainability. A pilot study identified sensory and affective descriptors linked to sustainability (e.g., natural, responsible), which were then used to determine psychoacoustic properties (e.g., pitch, consonance) capable of communicating these descriptors. Based on these properties, ten i...

Date: 2025   |   Origin: Repositório ISCTE

Tasting in tune: The influence of music on taste evaluation under visual maskin...

Guedes, D.; Prada, M.; Garrido, M. V.

This study investigates the effect of music on the evaluation of drinks presented unmasked (in open cups) or masked (in closed cups with opaque lids). Participants tasted five drink samples (varying in color and flavor) while listening to a sweet (SW) and a non-sweet (NS) soundtrack (within participants). Listening to the SW (vs. NS) soundtrack significantly increased the reported sweetness of drinks, whereas t...

Date: 2025   |   Origin: Repositório ISCTE

Focus on food instead of nutrients improves consumers’ understanding of meals’ ...

Viegas, Cláudia; Lamy, E.; Prada, M.; Rocha, Ada

Background: Nowadays, most of the information directed to consumers focuses on nutrients, ignoring the impact of the interactions between different foods, origin, or degree of processing. The methodologies currently applied have led consumers to confuse foods with nutrients, meat, and fish are often referred to as “proteins”, and grains and potatoes are referred to as “carbohydrates, forgetting that these foods...


Focus on food instead of nutrients improves consumers understanding of meals nu...

Viegas, C.; Lamy, E.; Prada, M.; Rocha, Ada

<jats:title>Abstract</jats:title> <jats:sec> <jats:title>Background</jats:title> <jats:p>Nowadays, most of the information directed to consumers focuses on nutrients, ignoring the impact of the interactions between different foods, origin or degree of processing. The methodologies currently applied have led consumers to confuse foods with nutrients, meat and fish are often referred to as proteins, grains and po...



Assessing stakeholders roles within social marketing strategies: prioritizing t...

Gomes, S.; Nogueira, M.; Viegas, C.; Neto, B.; Prada, M.; Souza, C.; Ferreira, L.; Rocha, Ada


Are you what you emoji? How skin tone emojis and profile pictures shape attenti...

Pelica, S.; Aguiar, T. R.; Frade, S.; Guerra, R.; Prada, M.

Emojis can express emotions and some aspects of the sender’s identity; however, only limited research has explored how the choice of skin tone in emojis influences the perceptions of the users. We examined the interaction between emoji skin tones and profile pictures in instant messaging, using self-reported and eye tracking measures. White participants viewed 14 screenshots of conversations (9 target and 5 fil...

Date: 2024   |   Origin: Repositório ISCTE

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