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How Censorship in China Allows Government Criticism but Silences Collective Expression

American Political Science Review, 2013 · paper · Political science

Analyzes millions of Chinese social media posts collected before censors could act. Posts criticizing the state are not more likely to be censored; instead, censorship targets posts that represent or spur collective action, regardless of content.

Checked: PDF from gking.harvard.edu, fetched 5 Oct 2026. Page numbers are those of that PDF.

4 findings

Reference or label Text says the three topics (one child policy, corruption policy, food prices) are 'taken from the analysis in Figure 6', but Figure 6 has no food-prices panel.
  • p. 12 Content of Censored and Uncensored Posts
    taken from the analysis in Figure 6
  • p. 11 Figure 6 panels
    (d) News on Power Prices
  • p. 12 Results, paragraph on the parallel analysis
    taken from the analysis in Figure 6, that cover highly visible and apparently sensitive policies
  • p. 12 Text on Figure 8
    taken from the analysis in Figure 6, that cover highly

Only the authors can say what is right here.

Judge's note: Page 11: Figure 6 panels are One Child Policy, Education Policy, Corruption Policy (Bo Xilai) and News on Power Prices. 'Food Prices Rise' appears in Figure 4 (page 9) and Figure 8, not in Figure 6. Only the authors can say whether the pointer should read Figures 4 and 6, or something else.

Second check: another model agreed

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Reference or label Text says 'those that criticize the state (right/red) and those which support the state (left/green)', but in Figure 8 'Criticize the State' (red) is on the left and 'Support the State' (green) on the right.
  • p. 12 Text describing Figure 8 panel (a)
    among those that criticize the state (right/red) and those which support the state (left/green)
  • p. 12 Figure 8 x-axis
    Criticize the State Support the State
  • p. 12 Results, paragraph on Figure 8 panel (a)
    criticize the state (right/red) and those which support the state (left/green)

Judge's note: Page 12 image: in every pair in Figure 8, the red interval is labelled 'Criticize the State' on the left and the green one 'Support the State' on the right. The colours in the text match the figure; the left/right positions are reversed.

Second check: another model agreed

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Reference or label Appendix B says "The true proportion of posts censored (given vertically) in each of four categories", but the Figure 10 y-axis is labelled "Proportion in Category" and the plotted values are category proportions.
  • p. 16 Appendix B validation
    true proportion of posts censored (given vertically)
  • p. 16 Figure 10 y-axis
    Proportion in Category

Judge's note: Viewed the text crop and the Figure 10 crop on page 16. The y-axis reads 'Proportion in Category'. The true values (black dots) are about 0.20, 0.26, 0.45 and 0.09, which sum to about 1, as category shares of mutually exclusive categories must. The same paragraph also describes the categories and 'these proportions' in category terms, so the word 'censored' in the text misdescribes the plotted quantity.

Second check: another model agreed

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Wording Appendix B: 'drop characters that do not appear in fewer than 1% or more than 99% of our posts' — the double negative states the filtering rule backwards.
  • p. 16 Appendix B
    drop characters that do not appear in fewer than 1% or more than 99% of our posts
  • p. 16 Appendix B
    We adapt and extend this method for our purposes in four steps
  • p. 16
    drop characters that do not appear in fewer than 1% or more than 99%

Judge's note: Page 16 image confirms the wording. Read literally, it drops characters with mid-range frequency, which is the opposite of the evident intent (drop rare and ubiquitous characters). The stray 'do not' should be removed.

Second check: another model agreed

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20 minor (typos and the like; most checked by the judge only)
Reference or label Reference "Lohmann, Susanne. 2002. 'Collective Action Cascades...' Journal of Economic Surveys 14 (5): 654–84" and in-text "Lohmann (2002)" give a year that appears not to match the volume.
  • p. 18 References
    Lohmann, Susanne. 2002. “Collective Action Cascades
  • p. 7 Central Hypothesis
    Kuran (1989) and Lohmann (2002)

Only the authors can say what is right here.

Judge's note: Rests on outside knowledge: Journal of Economic Surveys volume 14(5) was published in 2000. The page images show 2002 in both the reference list (p18, crop C031-a) and the text (p7, crop C031-b), so the paper is consistent with itself. Only the authors or the journal record can settle the year.

Second check: another model agreed

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Reference or label Text cites 'Panel (a) of Figure 8', but Figure 8's two sub-plots have no (a)/(b) labels.
  • p. 12 Results, text on Figure 8
    Panel (a) of Figure 8 reports
  • p. 12 Figure 8
    Content of Censored Posts by Topic Area

Judge's note: Page 12 image: Figure 8 has a left and a right sub-plot with no panel labels. The intended panel (the left one, with collective-action events) can be inferred, so the impact is minor.

Second check: another model agreed

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Wording The text says 'First we offer two examples ... of posts not censored', but three uncensored critical posts follow: Yulin City, the One Child Policy, and the CCP/Tiananmen post.
  • p. 13 End of Results
    First we offer two examples, not associated with collective action potential events
  • p. 13 Results, introducing the example posts
    First we offer two examples, not associated with collective action potential events, of posts not censored

Judge's note: Page 13 introduces the third post with 'Finally ... again without being censored', so it belongs to the same series. The announced count is off by one; this is a wording slip.

Second check: another model agreed

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Wording Appendix B: 'We adapt and extend this method for our purposes in four steps.' Only 'First', 'Second' and 'And finally' are enumerated.
  • p. 16 Appendix B
    We adapt and extend this method for our purposes in four steps.

Only the authors can say what is right here.

Judge's note: Page 16 image: the steps are First (unicode), Second (punctuation and character dropping), an aside on chunking that was not used, and 'And finally' (Bayes). The count of four could only be reached by splitting step 2 or counting the chunking aside. This is ambiguous, so it is a query for the authors.

Second check: another model agreed

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Typo Mismatched quotation marks: 'state policy of a “harmonious society.’' opens with a double quote and closes with a single quote.
  • p. 3 Types of Censorship, homophone example
    “harmonious society.’

Judge's note: The crop of page 3 shows an opening double quote and a closing single quote.

Second check: none (judge only)

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Typo Grammar slips: 'a environmental activist' (p. 8, should be 'an'), 'censors read post by hand' (p. 3, should be 'posts'), and 'a formal model in which an authoritarian regimes balance' (p. 15, article and number disagree).
  • p. 8 Results
    a environmental activist
  • p. 3 Types of Censorship
    censors read post by hand
  • p. 15 Concluding remarks
    a formal model in which an authoritarian regimes
  • p. 8 Chen Fei paragraph
    a environmental activist who

Judge's note: All three phrases are visible in the crops of pages 3, 8 and 15.

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Typo In Figure 1(b) the pie labels 'bbs.voc.com.cn' and 'hi.baidu' are cut off at the figure edge, so their percentages cannot be read.
  • p. 4 Figure 1(b)
    bbs.voc.com.cn 5

Judge's note: The crop shows both labels truncated at the right border of the published figure. This is not an extraction artefact.

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Typo 'none of the volume bursts where associated with any localized' should read 'were associated'.
  • p. 9 Results, last paragraph
    the volume bursts where associated with any localized
  • p. 9 Results, Figure 6 discussion
    none of the volume bursts where associated with any localized

Judge's note: The crop of page 9 shows 'where'.

Second check: none (judge only)

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Typo Subject–verb disagreement: 'Censorship in these examples are high' should read 'is high'.
  • p. 9 Figure 5 discussion
    Censorship in these examples are high

Judge's note: The crop of page 9 confirms the wording.

Second check: none (judge only)

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Typo 'Jon Hunstman' (Appendix A and the Figure 4 label 'Jon Hunstman Steps Down as Ambassador to China') for Huntsman.
  • p. 15 Appendix A
    Jon Hunstman
  • p. 9 Figure 4 label
    Jon Hunstman Steps Down as Ambassador to China

Only the authors can say what is right here.

Judge's note: Rests on outside knowledge: the ambassador's surname is spelled Huntsman. Both the page 15 appendix and the page 9 Figure 4 label print 'Hunstman'.

Second check: none (judge only)

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Typo Figure 5(a) annotation reads 'Collective Support for Evironmental Lottery'; should be 'Environmental'.
  • p. 10 Figure 5(a) annotation
    for Evironmental Lottery

Judge's note: Page 10 image: the annotation is spelled 'Evironmental'. The panel caption '(a) Chen Fei's Environmental Lottery' spells it correctly.

Second check: none (judge only)

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Typo The Lichuan official is 'Ran Jianxin' in the main text (p.14) but 'Lichuan protests over the death of Rao Jianxin' in Appendix A (p.15).
  • p. 15 Appendix A, High
    Lichuan protests over the death of Rao Jianxin
  • p. 14 Results example
    the local leader Ran Jianxin
  • p. 14 Results, censored pro-state post
    the local leader Ran Jianxin, whose death in police custody triggered protests in Lichuan
  • p. 15 Appendix A, High topics
    Lichuan protests over the death of Rao

Judge's note: Page 14 text reads 'Ran Jianxin' twice, and the quoted Chinese post gives 冉建新 (Ran). Appendix A on page 15 reads 'Rao Jianxin'. The same person is spelled two ways.

Second check: none (judge only)

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Typo Misspellings: 'quantitiative' in Appendix A, 'Retification' (Teiwes 1979), 'Armork, NY' (Perry 2002; Teiwes 1979) and 'Poltical' (Przeworski et al.).
  • p. 15 Appendix A, Medium
    U.S. policy of quantitiative
  • p. 18 References, Teiwes 1979
    Retification
  • p. 18 References, Perry 2002
    Armork, NY
  • p. 18 References, Przeworski et al.
    Poltical

Judge's note: All four forms are visible in the crops of pages 15 and 18. Two corrections rely on outside knowledge: the publisher's town is Armonk and the intended word is Rectification.

Second check: none (judge only)

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Typo 'analyze social media and censorship in the content of real-world events' should read 'context'.
  • p. 15 Concluding remarks
    in the content of real-world events

Judge's note: The crop of page 15 confirms the wording; 'content' does not fit the sentence.

Second check: none (judge only)

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Typo Garbled sentence: 'one of the input institutions. Nathan (2003) identifies as an important source of authoritarian resilience'. The stray full stop splits a relative clause, leaving 'identifies' without an object.
  • p. 15 Concluding remarks
    one of the input in- stitutions. Nathan (2003) identifies as an important source of authoritarian resilience

Judge's note: The crop of page 15 confirms the punctuation.

Second check: none (judge only)

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Typo Appendix C: 'Bo, the son one of the eight elders of the CCP' — missing 'of' (the son of one of).
  • p. 17 Appendix C
    Bo, the son one of the eight elders of the CCP
  • p. 17 Appendix C, Bo Xilai paragraph
    Bo, the son one of the eight elders
  • p. 17 Appendix C
    evidence of his involved in the death of Neil Heywood
  • p. 17 Appendix C, Bo Xilai paragraph
    evidence of his involved in the death of Neil

Judge's note: Page 17 crop confirms the wording. The separate 'his involved' slip is handled under C024.

Second check: none (judge only)

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Typo Appendix C: 'confronted Bo with evidence of his involved in the death of Neil Heywood' — 'involved' should be 'involvement'.
  • p. 17 Appendix C
    evidence of his involved in the death of Neil Heywood
  • p. 17
    with evidence of his involved in the death

Judge's note: Page 17 crop confirms the wording.

Second check: none (judge only)

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Typo Edin (2003) reference title reads 'CPP Cadre Management from a Township Perspective'; the paper otherwise uses CCP.
  • p. 17 Appendix C
    in CPC 18th National Congress
  • p. 18 Reference Edin 2003
    CPP Cadre Management from a Township Perspective

Only the authors can say what is right here.

Judge's note: Rests on outside knowledge: the original article title uses 'CCP'. Page 18 prints 'CPP'. 'CPC' in Appendix C ('CPC 18th National Congress') is an accepted alternative abbreviation and is not counted as an error; it is only a consistency point.

Second check: none (judge only)

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Typo Reference list entry reads "Ada, Sean, Henry Farrell, Marc Lync, John Sides, and Deen Freelon. 2012"; the coauthor's surname appears to be misspelled (Lynch).
  • p. 17 References, Ada et al.
    Marc Lync
  • p. 17
    Marc Lync, John Sides

Only the authors can say what is right here.

Judge's note: Rests on outside knowledge: the coauthor of 'Blogs and Bullets' is Marc Lynch (the first author's surname is likely Aday as well). Page image p17 (crop C027-a) shows 'Marc Lync' as quoted. Cosmetic misspelling in the reference list.

Second check: none (judge only)

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Typo Reference-list typos on p18: Teiwes 1979 "Retification" (Rectification); Przeworski et al. 2000 "Poltical" (Political); Esarey and Xiao 2011 "5: 298–C319" (stray 'C'); Perry 2002 and Teiwes 1979 "Armork, NY" (Armonk).
  • p. 18 Teiwes 1979
    Retification
  • p. 18 Perry 2002 / Teiwes 1979
    Armork, NY
  • p. 18 Przeworski et al. 2000
    Poltical
  • p. 18 Esarey and Xiao 2011
    298–C319

Judge's note: All four strings are visible on the p18 page image in crops C028-a to C028-d, so they are not extraction artefacts. 'Retification', 'Poltical' and the stray 'C' in the page range are plain typos. Rests on outside knowledge for the 'Armork' item only: M. E. Sharpe is based in Armonk, NY.

Second check: none (judge only)

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