Which statement best describes when user research is used during Growth$-$Driven Design?

User research is used throughout the entire GDD methodology, but it's especially common during the strategy stage and the plan step of the continuous improvement stage.

User research is primarily done when first kicking off a new GDD engagement to better understand your audience.

User research is primarily done during the launch pad stage when you're testing various prototypes with actual customers.

User research is primarily done after running an experiment that doesn't perform like you predicted.