Investigating Text Legibility in Mobile UI: A Case Study Comparing Automated vs. User Study Based Evaluation. - Ashley Colley; Piiastiina Tikka; Jussi Huhtala; Jonna Häkkilä (MindTrek, 2013)

About the Persuasion Context for BCSSs: Analyzing the Contextual Factors. - Kirsi Halttu; Michael Oduor; Piiastiina Tikka; Harri Oinas-Kukkonen (BCSS@PERSUASIVE, 2015)

RightOnTime: The Role of Timing and Unobtrusiveness in Behavior Change Support Systems. - Piiastiina Tikka; Harri Oinas-Kukkonen (PERSUASIVE, 2016)

Building an App for Behavior Change: Case RightOnTime. - Piiastiina Tikka; Bereket Woldemicael; Harri Oinas-Kukkonen (BCSS@PERSUASIVE, 2016)

Persuading Peers in the Web: Social Influence and Tweeters vs. non-Tweeters. - Piiastiina Tikka; Harri Oinas-Kukkonen (BCSS@PERSUASIVE, 2017)

Contributing or receiving-the role of social interaction styles in persuasion over a social networking platform. - Piiastiina Tikka; Harri Oinas-Kukkonen (Pers. Ubiquitous Comput., 2017)

Systems Supporting Occupational Health Behavior Change: A Systematic Literature Review. - Markku Kekkonen; Harri Oinas-Kukkonen; Piiastiina Tikka (BCSS@PERSUASIVE, 2018)

Participatory Design of a Persuasive Mobile Application for Helping Entrepreneurs to Recover from Work. - Markku Kekkonen; Harri Oinas-Kukkonen; Piiastiina Tikka; Janne Jaako; Anna-Mari Simunaniemi; Matti Muhos (PERSUASIVE, 2018)

Developing a Gamified Behavior Change Support System: Case Implicity - The Food Game. - Iikka Manninen; Piiastiina Tikka (BCSS@PERSUASIVE, 2018)

Reflection Through Gaming: Reinforcing Health Message Response Through Gamified Rehearsal. - Piiastiina Tikka; Miia Laitinen; Iikka Manninen; Harri Oinas-Kukkonen (PERSUASIVE, 2018)

Gamifying a BCSS: rehearsal and reflection in reinforcing a health message response. - Piiastiina Tikka; Miia Laitinen; Iikka Manninen; Harri Oinas-Kukkonen (Behav. Inf. Technol., 2020)

Preface to the 10th International Workshop on Behavior Change Support Systems. - Laurence Alpay; Piiastiina Tikka; Md Sanaul Haque (PERSUASIVE (Adjunct), 2022)

A Persuasive Systems Education Program within an Information Systems Curriculum. - Harri Oinas-Kukkonen; Pasi Karppinen; Piiastiina Tikka (BCSS@PERSUASIVE, 2023)

Examining the Fidelity and Dose of a Mobile Health App for Micro-entrepreneurs' Recovery from Work-related Stress. - Markku Kekkonen; Harri Oinas-Kukkonen; Sanni Tiitinen; Aija Logren; Sakari Ilomäki; Eveliina Korkiakangas; Piiastiina Tikka; Jaana Laitinen; Johanna Ruusuvuori (TKTP, 2023)

Persuasive Systems Design and Self Determination Theory: Mapping System Features to Intervention Framework to Foster Motivation. - Piiastiina Tikka; Sanni Tiitinen; Sakari Ilomäki; Johanna Ruusuvuori; Harri Oinas-Kukkonen (BCSS, 2025)