Research Tools


SEMA (Smartphone Ecological Momentary Assessment) is a suite of software for conducting intensive longitudinal survey research using iOS and Android smartphones. Primarily designed for Ecological Momentary Assessment (EMA), also known as the Experience Sampling Method (ESM), SEMA has the flexibility to deliver smartphone surveys at fixed or random intervals ranging from minutes to months, as well as allowing participant-triggered surveys (a.k.a. event-contingent sampling). Visit the SEMA website for more information: