How do artist and designers determine whether a particular direction in their work is effective​

Enduring Understanding: People create and interact with objects, places, and design that define, shape, enhance, and empower their lives. Anchor Standard 2: Organize and develop artistic ideas and work.

Artists and designers shape artistic investigations, following or breaking with traditions in pursuit of creative art making goals. ... Artists and designers experiment with forms, structures, materials, concepts, media and art making approaches.