Social Loafing: When Groups Are Bad for Productivity

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When social loafing strikes and how it can be reduced.

Groups can be fantastically unproductive because they provide such wonderful camouflage. Under cover of group work people will slack off, happy in the knowledge others are probably doing the same. And even if they’re not: who’ll know?

This is what psychologists have nattily called social loafing and it was beautifully demonstrated by a French professor of agricultural engineering called Max Ringelmann as early as the 1890s.

Ringelmann, often credited as one of the founders of social psychology, had people pull on ropes either separately or in groups of various sizes and he measured how hard they pulled. He found that the more people were in the group, the less work they did (see graph).

Notice that people did about half as much work when there were 8 others in the group than they did on their own.

Lazy and you know it? Don’t bother clapping your hands

Since Ringelmann’s original study many others have got the same result using different types of tasks. Most entertainingly Professor Bibb Latané and colleagues had people cheering, shouting and clapping in groups as loud as they could (Latané et al., 1979). When people were in groups of six they only shouted at one-third of their full capacity. The lazy so-and-sos.

The effect has been found in different cultures including Indians, Taiwanese, French, Polish and Americans, it’s been found in tasks as diverse as pumping air, swimming, evaluating poems, navigating mazes and in restaurant tipping. However social loafing is less prevalent in collectivist cultures such as those in many Asian countries, indeed sometimes it is reversed.

It’s not hard to see why this finding might worry people in charge of all kinds of organisations. But note that social loafing is most detrimental to the productivity of a group when it is carrying out ‘additive tasks’: ones where the effort of each group member is summed. Not all tasks fit in to this category. For example a group problem-solving session relies on the brains of the best people in the group – social loafing wouldn’t necessarily reduce productivity in this group as markedly.

Causes and remedies

These are some of the standard explanations put forward for the social loafing effect: 

  • People expect each other to loaf. Whether consciously or unconsciously people say to themselves: everyone else is going to slack off a bit so I’ll slack off a bit as well because it’s not fair if I do more work than the others.
  • Anonymity. When groups are larger the individuals become more anonymous. Imagine you’re doing something on your own: if it goes well you get all the glory, if it goes wrong you get all the blame. In a group both blame and glory is spread, so there’s less carrot and less stick.
  • No standards. Often groups don’t have set standards so there’s no clear ideal for which to aim.

These explanations naturally beg the question of how people would behave if they didn’t expect each other to loaf, they weren’t anonymous and there were clear standards – after all groups do often work under much better conditions than those induced in some laboratory studies. Indeed lab studies have often been criticised for giving people boring or meaningless tasks and for putting them in random groups.

Still people in groups clearly do loaf in real life so here are a few factors found to be important in reducing social loafing:

  • Task importance. Studies have shown that when people think the task is important they do less loafing. Zacarro (1984) found that groups constructing ‘moon tents’ (don’t ask me!) worked harder if they thought the relevance of the task was high, thought they were in competition with another group and were encouraged to think the task was attractive.
  • Group importance. When the group is important to its members they work harder. Worchel et al. (1998) had people building paper chains in two groups, one which had name tags, matching coats and a sense of competition. Compared to a group given none of these, they produced 5 more paper chains.
  • Decreasing the ‘sucker effect’. The sucker effect is that feeling of being duped when you think that other people in the group are slacking off. Reducing or eliminating this perception is another key to a productive group.

This is just three, many more have been suggested, including: how easily each member’s contribution can be evaluated, how unique each individual’s contribution is and how individually identifiable they are. The drift is that people can be made to work harder by cutting off their natural tendency to hide in the group.

About the author

Psychologist, Jeremy Dean, PhD is the founder and author of PsyBlog. He holds a doctorate in psychology from University College London and two other advanced degrees in psychology.


He has been writing about scientific research on PsyBlog since 2004. He is also the author of the book “Making Habits, Breaking Habits” (Da Capo, 2003) and several ebooks.



SOURCE: PSYBLOG

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