The University of Florida offers relationship education programs named ELEVATE, for couples, and Smart Steps, for couples in stepfamilies, in Citrus, Duval, Manatee, Palm Beach, and Santa Rosa counties. Each workshop comprises 4 2.5-hour long sessions. The STREAMS evaluation will examine whether text messages informed by behavioral insight theory can improve couples' attendance at relationship skills education group sessions, and if so, which kinds of messages are most effective