A tool to help reduce the cognitive cost of making and following through on decisions.

Automated technologies, such as Glow Caps (pill bottles that light up when not opened) and mobile phone messages, have been shown to increase drug adherence (Datta & Mullinathan, 2014)—although a randomized experiment in the US found that daily text message reminders did not increase oral contraceptive adherence (Hou et al., 2010).

Nevertheless, there is evidence that tailoring reminders to make them more timely or salient can be effective. In one context, weekly SMS reminders were more effective than daily reminders in improving ART adherence, although the length of the message did not matter (Pop-Eleches et al., 2011).

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