Math model helps explain how conformity works

Math model helps explain how conformity works
Convergence positions for a minority of non-conformists. Initial positions were zero for conformists and 1 for non-conformists. The colour map is on a log scale and indicates the limiting equilibrium position. That is, the colour indicates the point towards which the conformists and non-conformists converge. The black area indicates values for which the system diverges. Credit: Royal Society Open Science, Published 4 March 2015. DOI: 10.1098/rsos.140437

(—A pair of anthropologists has come up with a math model to help better understand individual conformity and how it relates to groups and societies as a whole. In their paper published in Royal Society Open Science, Paul Smaldino and Joshua Epstein with Johns Hopkins University describe the mathematical model they created to help show why it is that so often those who attempt to look or behave differently, wind up looking or behaving the same as others—the so-called hipster paradox.

To begin, the research pair started with the assumption that virtually everyone engages in some degree of comparing themselves against others or what they believe is the norm. Most also wish to be different from the norm, though how much changes from person to person. That allowed for the beginnings of a , people could be assigned points along a spectrum, other factors they added included the actual degree of divergence from the norm for each person, the ideal point for distance from the norm and an adjustment factor that would allow a person to move closer to their ideal point.

Using such information, the researchers drew up mathematical formulas that sought to describe the ways in which conformity, or non-conformity can work. If, for example, all of their factors indicated that everyone in a group was almost exactly alike, it wouldn't take much for one of those individuals to increase their non-conformity. On the other hand, if everyone were completely different, it would be difficult for any one individual to increase either their conformity or non-conformity. For more average cases, the researchers found that if everyone wants to be some degree of different, the group as a whole winds up moving closer to one another anyway, demonstrating more and the hipster paradox—the slow movement of tattoo acceptance from outliers to the mainstream over the past couple of decades, is one good example.

Interestingly, the model also allowed for running various what-if scenarios, such as what if the world were filled with just two kinds of people, those that were very seriously conformist, and those that were the opposite—or what if one group was much more dominant than the other. The results tended to align with what might be expected, clashes or dominating groups pushing non-conformists to conform.

The researchers suggest their model might be useful for countries or groups looking to undermine certain conformist groups such as ISIS, who must constantly look for new members to survive.

More information: Social conformity despite individual preferences for distinctiveness, Royal Society Open Science, Published 4 March 2015. DOI: 10.1098/rsos.140437

We demonstrate that individual behaviours directed at the attainment of distinctiveness can in fact produce complete social conformity. We thus offer an unexpected generative mechanism for this central social phenomenon. Specifically, we establish that agents who have fixed needs to be distinct and adapt their positions to achieve distinctiveness goals, can nevertheless self-organize to a limiting state of absolute conformity. This seemingly paradoxical result is deduced formally from a small number of natural assumptions and is then explored at length computationally. Interesting departures from this conformity equilibrium are also possible, including divergence in positions. The effect of extremist minorities on these dynamics is discussed. A simple extension is then introduced, which allows the model to generate and maintain social diversity, including multimodal distinctiveness distributions. The paper contributes formal definitions, analytical deductions and counterintuitive findings to the literature on individual distinctiveness and social conformity.

Journal information: Royal Society Open Science

© 2015

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