Bootstrap Methods for the Empirical Study of Decision-Making and Information Flows in Social Systems

DeDeo, Simon; Hawkins, Robert X. D.; Klingenstein, Sara; Hitchcock, Tim

doi:10.3390/e15062246

Cited by 50 publications

(47 citation statements)

References 28 publications

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“…With the resulting topic model, we can then compute the semantic distance between all pairs of pages using the Jensen-Shannon distance (JSD), a measure that quantifies the distinguishability of two distributions [54]. This gives us a weighted semantic network that we can compare to the network of hyperlinks between pages.…”

Section: Semantic Coherencementioning

confidence: 99%

The Evolution of Wikipedia’s Norm Network

Heaberlin

DeDeo

2016

Future Internet

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Social norms have traditionally been difficult to quantify. In any particular society, their sheer number and complex interdependencies often limit a system-level analysis. One exception is that of the network of norms that sustain the online Wikipedia community. We study the fifteen-year evolution of this network using the interconnected set of pages that establish, describe, and interpret the community's norms. Despite Wikipedia's reputation for ad hoc governance, we find that its normative evolution is highly conservative. The earliest users create norms that both dominate the network and persist over time. These core norms govern both content and interpersonal interactions using abstract principles such as neutrality, verifiability, and assume good faith. As the network grows, norm neighborhoods decouple topologically from each other, while increasing in semantic coherence. Taken together, these results suggest that the evolution of Wikipedia's norm network is akin to bureaucratic systems that predate the information age.

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Section: Semantic Coherencementioning

confidence: 99%

The Evolution of Wikipedia’s Norm Network

Heaberlin

DeDeo

2016

Future Internet

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“…The estimate of bias comes from comparing the entropy of the empirical distribution to estimates of entropy from several bootstrap datasets drawn randomly according to the empirical distribution. See [10] for more details.…”

Section: Estimating Mutual Information From Datamentioning

confidence: 99%

Understanding Confounding Effects in Linguistic Coordination: An Information-Theoretic Approach

2015

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We suggest an information-theoretic approach for measuring stylistic coordination in dialogues. The proposed measure has a simple predictive interpretation and can account for various confounding factors through proper conditioning. We revisit some of the previous studies that reported strong signatures of stylistic accommodation, and find that a significant part of the observed coordination can be attributed to a simple confounding effect—length coordination. Specifically, longer utterances tend to be followed by longer responses, which gives rise to spurious correlations in the other stylistic features. We propose a test to distinguish correlations in length due to contextual factors (topic of conversation, user verbosity, etc.) and turn-by-turn coordination. We also suggest a test to identify whether stylistic coordination persists even after accounting for length coordination and contextual factors.

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“…Nonetheless, I estimate entropy with the computer program THOTH (DeDeo, Hawkins, Klingenstein, & Hitchcock, 2013) which uses a bootstrap technique that minimizes bias and also provides confidence intervals for the entropy estimate. years).…”

Section: Declaration Of Conflicting Interestsmentioning

confidence: 99%

Essential Measures

Gullickson

2015

American Behavioral Scientist

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Race and ancestry are both popularly viewed in the United States as different but intertwined reflections on a person's essentialized identity that answer the question of "who is what?" Despite this loose but well-understood connection between the two concepts and the availability of ancestry data on the U.S. census, researchers have rarely used the two sources of data in combination. In this article, drawing on theories of boundary formation, I compare these two forms of identification to explore the salience and social closure of racial boundaries. Specifically, I analyze race-reporting inconsistency and predict college completion at multiple levels of racial ancestry aggregation using Census data. The results suggest that, while much of the variation in these measures corresponds to popular "big race" conceptions of difference, considerable variation remains among individual ancestries.

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Bootstrap Methods for the Empirical Study of Decision-Making and Information Flows in Social Systems

Cited by 50 publications

References 28 publications

The Evolution of Wikipedia’s Norm Network

The Evolution of Wikipedia’s Norm Network

Understanding Confounding Effects in Linguistic Coordination: An Information-Theoretic Approach

Essential Measures

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