 New forms of drama, some influenced by or parodying the new science of psychoanalysis, began to be presented in smaller venues, many converted from other uses into makeshift theatres.The new groups began to experiment with new forms of storytelling, acting styles, dialogue and mise-en-scene.This experimentation, influenced by European models, ranged from an ultra-detailed naturalism to, by the early 1920s, a wildly provocative expressionism, part of a new stagecraft.