 It’s less cognitively demanding than having to perform full ranking of all the options, because participants are not required to give a comparative judgment of each option, and it allows participants to express a preference for more than one option at the same time.It also creates a sense of engagement and allows participants to see the decision process in action and understand how the final choice was made.Dot-voting has been criticized for limiting creativity and diversity of ideas, and giving confusing or false results.