The science of honesty: A review and research agenda

Honesty, defined as freedom from fraud or deception, is widely valued in many aspects of life, from personal relationships to professional settings. Yet acts of dishonesty remain widespread, including political and corporate scandals, misinformation, personal betrayal, and so on. Understanding honesty and the factors that influence it provides insights that are essential for fostering trust and combating corruption. In this review, we synthesize key findings from research on honesty, focusing on when people choose to be truthful or deceptive. We argue that although much is known about honesty in isolated, low-risk contexts, an urgent need exists to study honesty in more complex, realistic settings, such as those involving interpersonal relationships, potential sanctions, or group influences. Our proposed framework highlights understudied contexts and encourages future studies to explore settings where enforcement and social dynamics play a significant role in decision-making. To do so, we point out 66 open research questions that we find most promising to explore. By integrating insights from multiple disciplines, we aim to advance the understanding of honesty and provide a roadmap for research that can inform policies and interventions to promote integrity in society.