In an age of tight resources and constrained finances companies are more reluctant than ever to commit to big design projects without a thorough understanding of their chances of success. Google has developed a methodology to make the design process fast and still offer valuable insight. Forget minimum viable products and focus on prototypes and build and test in a week!
https://www.interaction-design.org/literature/article/make-your-ux-design-process-agile-using-google-s-methodology/