When Do Reminders Work? Memory Constraints and Medical Adherence

... We show that participants can recall mostly SMS content that they were already aware of and that called them to action. This is in line with other studies that showed SMS don't always increase knowledge but can still work as a reminder or nudge despite not clearly transmitting new information (e.g., Banerjee et al., 2020;Bettinger et al., 2021) and is supported by the existence of a strong demand for reminders in medical adherence due to memory costs (Barron et al., 2022). Moreover, our intervention allows us to gain insights into the facility choice that individuals make. ...