Why Is It Always the Same Person Working on the Group Project?

Social loafing isn't a character flaw; it's a design failure. When blindfolded students believed five others stood beside them, they gave only 74 percent effort while shouting completely alone. The famous Ringelmann rope-pulling study, misattributed to "German workers" for decades, actually measured coordination loss, not laziness. J. Richard Hackman's research confirms the pattern: a 99-study compilation found group rewards tied to individual contributions yielded +0.32 effect size, while single-product grading collapsed to +0.07.

You'll learn:

- Why the "sucker effect" makes fairness defense contagious

- How one-name-per-task assignment eliminates loafing entirely

- When peer evaluation systems backfire versus succeed