Design for sustainable behavior has become more important for product or service design considering environmental sustainability in the use stage. The goal of this work is to specifically help design for encouraging energy-saving behavior in selecting effective persuasive design strategies and game design elements by considering users' differences. The work begins with screening commonly employed persuasive strategies based on literature and the analysis of existing cases in design for energy-saving behavior. Secondly, a questionnaire survey is conducted to investigate the possible demographic differences on the persuasiveness of the selected persuasive strategies. Thirdly, the selected persuasive strategies are mapped to twenty-nine useful game design elements via an affinity diagram method. The results could help designers choose effective persuasive strategies and game design elements for different user groups. At the end, an illustrative example is presented to show the application potential in design for energy-saving behavior.
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