Cognitive Behaviour Therapy (CBT) has been identified as the gold standard therapy approach for managing many psychological difficulties including depressed mood. CBT focuses on improving mood through the implementation of a range of strategies including activity scheduling, problem solving, goal setting, thought challenging and mood monitoring.
Attached is a paper substantiating the benefit of CBT for managing psychological difficulties including unipolar depression.
Empirical-Status-of-CBT: a review paper on CBT.
In addition to being implemented via face to face therapy sessions, a number of International trials have substantiated psychological therapy programs delivered online, including CBT (i.e. e-therapy).by