| Vol-1153 urn:nbn:de:0074-1153-0 Copyright © 2014 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# BCSS 2014
Behavior Change Support Systems

### Proceedings of the Second International Workshop on Behavior Change Support Systems
co-located with the 9th International Conference on Persuasive Technology (PERSUASIVE 2014)

### Padua, Italy, May 22, 2014.

Edited by

### Anssi Öörni *
Saskia Kelders **
Lisette van Gemert-Pijnen **
Harri Oinas-Kukkonen *

* University of Oulu, Department of Information Processing, Oulu, Finland
** University of Twente, Department Of Psychology, Health and Technology, Twente, The Netherlands

## Table of Contents

### Editorial

- Designing, Modeling and Evaluating Influence Strategies for Behavior Change Support Systems 1-6
  Anssi Öörni, Saskia Kelders, Lisette van Gemert Pijnen, Harri Oinas-Kukkonen

### Session 1: Evaluation of BCSS

- Combining User-Tests, Log-Data and Expert-Assessments to Evaluate Constructs of the Perceived Persuasiveness Questionnaire 7-15
  Nienke de Jong, Jobke Wentzel, Saskia Kelders, Harri Oinas-Kukkonen, Lisette van Gemert-Pijnen
- A Persuasive System for Obesity Prevention in Teenagers: a Concept 17-20
  Maurizio Caon, Stefano Carrino, Renata Guarnieri, Giuseppe Andreoni, Claudio L. Lafortuna, Omar Abou Khaled, Elena Mugellini
- Heuristic Evaluation of Persuasive Game Systems in a Behavior Change Support Systems Perspective: Elements for Discussion 21-25
  Valentina Rao

### Session 2: Influence strategies for BCSS

- An Exploratory Study on the Outcomes of Influence Strategies in Mobile Application Recommendations 27-40
  Perin Unal, Tuğba Taşkaya Temizel, P. Erhan Eren
- Exploring the Persuasiveness of Behavior Change Support Strategies and Possible Gender Differences 41-57
  Rita Orji
- The Persuasive Role of Explanations in Recommender Systems 59-68
  Sofia Gkika, George Lekakos

### Session 3: BCSS Design

- A Reward Design Pattern in BCSS 69-75
  Tuomas Alahäivälä, Michael Oduor, Harri Oinas-Kukkonen
- Ludo Modi Varietas: A Game-architecture inspired design approach for BCSS 77-84
  Bard O. Wartena, Derek A. Kuipers, Hylke W. van Dijk
- Influencing Behaviour by Modelling User Values: Energy Consumption 85-68
  Rachel Burrows, Peter Johnson, Hilary Johnson

- Full proceedings

2014-05-22: submitted by Anssi Öörni
2014-05-22: published on CEUR-WS.org |valid HTML5|