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Statistische Verfahren: Forschungsprojekte

Wir nutzen fortschrittliche statistische Methoden wie nichtparametrische Modelle, räumliche Statistik und Discrete-Choice-Modellierung, um Konsumentenheterogenität zu erfassen und Marketing-Mix-Modelle sowie Warenkorbanalysen zu optimieren.

Fachartikel

Statistisches Verfahren

Jahr

Forschungsprojekt
ANOVA

2025

Rescue us all! the effects of the “rescued” claim for familiar and unfamiliar food ingredients, in: Food Quality and Preference, 127, 1-6.
(Y. Boztug, F. Carneiro, S. Jahn, J. Aschemann-Witzel)

Conjoint Analyse

2025

Examining public support for comprehensive policy packages to tackle unhealthy food environments, in: Public Health Nutrition. 2025;28(1):e7, 1-11.
(Y. Boztug, S. Wahnschafft, A. Spiller, P. von Philipsborn, D. Lemken)

MDCEV

2025

Forecasting Transition of Personal Travel Behavior in a Sharing Economy: Evidence From Consumer Preferences of Travel Modes, in: Journal of Forecasting.
(Y. Boztug, S. Y. Park, H. Choi, H. Moon)

Chi-Quadrat-Test, ANOVA, Tukey HSD-Test, Ordered Probit Modell

2025

Do ingredients matter? Exploring consumer preference for abstract vs. concrete descriptors of plant-based meat and dairy alternatives, in: Future Foods 11, 1-10.
(A. Erhard, S.-D. Lieke, S. Stetkiewic)

Moderierte Mediationsanalyse, Indikatoren-Codierung

2024

Tasty or sustainable? Goal conflict in plant-based food choice, in: Food Quality and Preference, 120, 1-11.
(Y. Boztug, A. Erhard, S. Jahn)

ANOVA, Tukey HSD-Test, Moderierte Mediationsanalyse

2024

Climate-neutral labeling for climate-friendly vs. climate-harmful food products: Consumer perceptions and implications, in: Business Strategy and The Environment, 4441–4455.
(Y. Boztug, G. Stremmel, O.Elshiewy)

Hierarchisches „Exploded Logit“-Modell, Multivariates- und Multinominales logistische Regressionsmodell

2024

Substitution patterns and price response for plant- based meat alternatives, in: PNAS Special Feature on the Sustainability of Animal- Sourced Foods and Plant-Based Alternatives. 121 (50) e2319016121
(A. Erhard, S. Jahn, D. Guhl)

Sensitivitätsanalyse (Goodness-of-Fit-Test), Chi-Quadrat-Test, Logistische Regressionsanalyse, Indikatoren-Codierung, Mediationsanalyse, ANOVA

2023

How do defaults and framing influence food choice? An intervention aimed at promoting plant-based choice in online menus, in: Appetite, 190, 1-12.
(Y. Boztug, A. Erhard, D. Lemken)

Regressionsbasierte Mediationsanalyse

2023

Truthful yet misleading: Consumer response to ‘low fat’ food with high sugar content, in: Food Quality and Preference, 109, 1-10.
(Y. Boztug, S. Jahn, O. Elshiewy, T. Döring)

Lineares Regressionsmodell, Moderierte Mediationsanalyse

2023

That's not natural! Consumer response to disconfirmed expectations about ‘natural’ food, in: Appetite, 180, 1-10.
(Y. Boztug, H. Schirmacher, O. Elshiewy)

Lineare gemischte Modelle: FNTT und FDS, Paarvergleiche: Kenward-Rogers Methode und Tukey-HSD-Test

2023

Acceptance of insect foods among Danish children: Effects of information provision, food neophobia, disgust sensitivity, and species on willingness to try, in: Food Quality and Preference, 104, 104713.
(A. Erhard, M. Águas Silva, M. Damsbo-Svendsen, B. E. Menadeva Karpantschof, H. Sørensen, M. Bom Frøst)

Dreifaktorielle ANOVA

2022

Vegan labeling for what is already vegan: Product perceptions and consumption intentions, in: Appetite, 175, 1-12.
(Y. Boztug, G. Stremmel, O. Elshiewy, F. Carneiro-Otto)

Discrete Choice Modeling, HB-MNL, Simulationsanalyse

2022

The shared mobility services ban in South Korea: Consumer preferences and social opportunity cost, in: Travel behaviour and society, 28, 214-226.
(S. Park, H. Choi, H. Moon)

Segmentierung, Multinomiales Logit-Modell

2021

Staying on convention or leapfrogging to eco-innovation?: Identifying early adopters of hydrogen-powered vehicles, in: Technological Forecasting and Social Change, 171, 120995.
(S. Park, H. Moon, J. Woo)

Segmentierung: Cluster-Profiling-Modell, Multinomiales Logit-Modell

2020

What Patients Value in Physicians: Analyzing Drivers of Patient Satisfaction Using Physician-Rating Website Data, in: Journal of Medical Internet Research, 22 (2), 1-17.
(Y. Boztug, S. Bidmon, O. Elshiewy, R.Terlutter)

Regressionsmodelle, TAM, Konzeptionelles Modell

2020

How Perceived Security Risk Influences Acceptance of Virtual Shopping Walls, in: Marketing ZFP, 42, 35-46.
(Y. Boztug, S. Jahn, O. Elshiewy)