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Consuming Habits

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lightbulbAbout this topic
Consuming habits refer to the patterns and behaviors exhibited by individuals or groups in the acquisition, use, and disposal of goods and services. This field of study examines the psychological, social, and economic factors influencing consumption choices and their implications for market trends and consumer welfare.
lightbulbAbout this topic
Consuming habits refer to the patterns and behaviors exhibited by individuals or groups in the acquisition, use, and disposal of goods and services. This field of study examines the psychological, social, and economic factors influencing consumption choices and their implications for market trends and consumer welfare.

Key research themes

1. How do environmental factors and consumption norms unconsciously influence the volume of food intake?

This theme investigates the subtle and often unmonitored environmental cues and contextual elements that lead to increased food consumption volume. It addresses how factors such as package size, plate shape, lighting, social setting, and food variety alter consumption norms and impair individuals' ability to monitor intake, thereby driving overconsumption without conscious awareness. Understanding these cognitive and perceptual mechanisms is crucial for developing interventions that target consumption volume reduction and addressing obesity.

Key finding: Demonstrates that multiple environmental factors—including package size, plate shape, and social interactions—increase food consumption volume by suggesting alternative consumption norms and inhibiting consumption monitoring,... Read more
Key finding: Finds that environmental cues (e.g., large plates, package sizes, eating companions) influence consumption predominantly by increasing perceived consumption norms and reducing individual monitoring, with education and... Read more
Key finding: Quantifies the underestimation of food-related decisions by individuals—who underestimate by 221 decisions daily—and experimentally shows 31% increases in consumption triggered by exaggerated environmental cues such as... Read more
Key finding: Elaborates on how environmental factors physically alter perceived consumption norms and interfere with consumption monitoring, leading to consistent overconsumption across various foods and contexts. Also identifies common... Read more

2. What role does habit strength and automaticity play in daily food consumption and snacking behavior?

Research under this theme focuses on the cognitive and neurobiological mechanisms that characterize habits, specifically habitual food consumption and snacking. It addresses how repetitive behaviors in stable contexts create automatic responses that reduce conscious control over eating, thereby influencing energy intake patterns, choice of snacks, and challenges for intentional dietary changes. The relation between habit strength, motivation, and between-meal snacking is also examined to understand individual differences in consumption behavior.

Key finding: Characterizes habits as automatic, cognitively represented behaviors formed by repeated responses in stable contexts and largely insensitive to outcome changes. It presents a computational model situating habits in synergy... Read more
Key finding: Finds that stronger snack-related habits significantly predict higher moment-to-moment energy intake from between-meal snacks in daily life, with education level moderating this relationship. Employs ecological momentary... Read more
Key finding: Developed and validated a comprehensive scale to measure frequency, automaticity, and strength of daily habits, including food-related behaviors, emphasizing that habits are not only repetition frequency but encompass... Read more
Key finding: Demonstrates that physical activity habits are formed via cue-contingent behavioral repetition where context cues provoke habit performance automatically. It highlights the role of autonomous motivation in habit development,... Read more

3. How do social contexts, eating practices, and consumption habits mediate diet quality and food waste behaviors?

This theme explores the intersection of social, cultural, and habitual factors influencing food practices beyond physiological consumption. It includes analyses of social company during eating, timing and duration of meals, concurrent media consumption (e.g., TV viewing), and food waste behaviors such as reduction, reuse, and recycling. The theme captures how social environments, consumer habits, and attitudes toward food relate to overall diet quality and sustainable food use.

Key finding: Shows that regularity and social contexts of eating (number of eating occasions, main meals, social company) and activities during eating (watching TV) associate significantly with diet quality, even after adjusting for... Read more
Key finding: Provides large-scale, real-world evidence that concurrent TV viewing and eating occurs frequently (reported by 51.3% adults) and correlates with longer eating durations and increased total daily eating time, suggesting TV... Read more
Key finding: Develops and empirically tests a behavioral model linking anticipated positive emotions, environmental knowledge, social norms, habits, and facilitating conditions to restaurant consumers' intentions and actual food waste... Read more
Key finding: Synthesizes empirical research applying Bourdieu's notions of habitus, capital, and field to food and eating practices, demonstrating how social class manifests through tastes and food-related behaviors structured by embodied... Read more

All papers in Consuming Habits

This paper examines cannabis (Cannabis sp.) and opium (Papaver somniferum) in post-medieval Europe, with a focus on Portugal and regions shaped by global trade and colonial networks. Covering the sixteenth-nineteenth centuries, it... more
A partir de uma abordagem por diferentes testemunhos, esta comunicação propõe uma reflexão sobre o hábito de fumar como prática de fruição sensorial e construção identitária em Setúbal, entre os séculos XVII e XX. A introdução deste... more
This contribution is intended to suggest aspects of several clay smoking pipes exhumed in archaeological interventions between Portugal and Spain. In this regard, some archaeological works published clay smoking pipes which were defined... more
Clay pipes are found in almost every post-medieval archaeology excavation in Portugal, especially the ones dated from the seventeenth, eighteenth and nineteenth centuries. Most of these pipes are the classical north European productions... more
Em Portugal, a amêndoa é uma cultura tradicional, que se encontra distribuída pelas regiões do Alentejo, Algarve e Trás-os-Montes, sendo, juntamente com a castanha, a mais produzida dos frutos de casca rija. Os amendoais são geralmente... more
Em Portugal, a amêndoa é uma cultura tradicional, que se encontra distribuída pelas regiões do Alentejo, Algarve e Trás-os-Montes, sendo, juntamente com a castanha, a mais produzida dos frutos de casca rija. Os amendoais são geralmente... more
In 2018 an archaeological intervention in Rua do Terreiro do Trigo was undertaken by municipal determination for the installation of recycling containers in Lisbon. Amongst the sherds recovered it’s possible to identify a great amount of... more
Resumo: O Palácio Almada-Carvalhais (M.N.) equivale a um importante espaço nobiliárquico lisboeta com origem em 1545, alvo de profundas remodelações que lhe configuram uma arquitetura essencialmente renascentista/barroca. Em vários dos... more
In 2021, archaeological excavations were carried out in eleven different areas in the archaeological site of Tróia. It was possible to identify aspects of the modus vivendi of Tróia during the early modern period, in addition to the... more
Os cachimbos cerâmicos modernos, maioritariamente produzidos a partir de argila caulinítica e várias vezes classificados como objeto de uso pessoal, são recorrentemente identificados em contextos arqueológicos pós-medievais de natureza... more
Setúbal, mentioned by Early Modern Dutch, English and French sailors as St. Ubes (Saint Ubes) and respectively St. Yves, is located on the northern side of Sado Bay and about 50 km of road distance to the Portuguese capital of Lisbon. Due... more
In 2018 an archaeological intervention in Rua do Terreiro do Trigo was undertaken by municipal determination for the installation of recycling containers in Lisbon. Amongst the sherds recovered it’s possible to identify a great amount of... more
Despite Cannabis sp. had been abundant from Japan to Central Europe between the 3rd and the 2nd Millennium BCE based on the recovery and identification of pollen remains, innovative pottery materials related to direct evidence were... more
In 2018 an archaeological intervention in Rua do Terreiro do Trigo was undertaken by municipal determination for the installation of recycling containers in Lisbon. Amongst the sherds recovered it’s possible to identify a great amount of... more
In 2018 an archaeological intervention in Rua do Terreiro do Trigo was undertaken by municipal determination for the installation of recycling containers in Lisbon. Amongst the sherds recovered it’s possible to identify a great amount of... more
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