This simple activity has a multitude of applications. It will be familiar to a lot of readers so be both creative and judicious in how and when it is used.
Varies depending on the topic but usually quick.
Sheets of coloured dots; you can also use stars, triangles, squares, or even those lines of coloured tape that come with wall planners (stick them end-to-end to produce a linear vote).
Any discussion will be relevant to the theme at issue.
QUESTION: “Is DOT VOTING effective and relevant for the use to which it is put?”
How would the group use this ACTIVITY in the future and would they make changes? Capture, record, circulate.