3 of 1 ·Final Investigation

Lesson 3 · Systems and Ripple Effects
Combine evidence, alternatives and uncertainty into one recommendation.
Click to zoomIllustration supporting A recommendation is a chain of reasoningA strong investigation defines a specific problem, gathers relevant evidence, compares alternatives, recommends a realistic action and states what remains uncertain.
Do not begin with a favourite solution. Observe queues and spills, ask users and staff, measure busy times, compare layout and maintenance options, then recommend the smallest useful test.
3 more parts in this lesson
Walkthroughs, code labs, mini-games and the checkpoint quiz unlock when you buy the course.