A social phenomenon where individuals or groups expend more effort and resources when progressing slowly towards a goal, as opposed to when moving swiftly and decisively. This mirrors the biological quirk of kangaroos, who use more energy to move slowly than they do at higher speeds due to their unique muscular and tendon structure.
The team experienced the Kangaroo Effect while working on the project; they were burning out during the planning phase, but once they started executing their tasks, they progressed much more efficiently.