Whyte, Wang & Cai's 2015 essay holds up under independent check at the national level but not on the Yicheng-specific date it borrows from an unread secondary

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Whyte, Wang & Cai's 2015 essay "Challenging Myths About China's One-Child Policy" carries two kinds of dated claim about the run-up to the 1980 one-child policy — a national chronology and a county-specific figure about the Yicheng, Shanxi two-child pilot — and under independent scrutiny the two fare differently.

The national chronology holds, at the resolution the sources actually share. claim-whyte-wang-cai-and-greenhalgh-2003-converge-on-same-three-stage-timeline establishes that the essay's 1971-1980 shape — an intensifying coercive campaign, a 1978-79 leadership shift toward a one-child rule, a 1980 formal launch — converges with Greenhalgh's own 2003 primary research on shape and years rather than on evidence. The convergence is firmest on the middle stage, which Greenhalgh states directly: "much evidence suggests that between mid-1978 and mid-1979, China's top leaders and population policymakers were moving toward adoption of a policy encouraging one-child families." It is absent on the first stage: Greenhalgh's 2003 article expressly sets enforcement aside — "techniques of policy enforcement not discussed here" — deferring that subject to a larger project, so this source does not corroborate the coercive-campaign stage at all. Neither document's own citations connect it to the other.

The Yicheng-specific figure doesn't hold up the same way. The same essay states Yicheng, Shanxi had been "implementing a two-child rather than a one-child policy since 1980," attributing the figure to Yan Wei and Li Zhang's 2014 re-examination — itself still paywalled and unread in this vault (see claim-whyte-wang-cai-cite-yan-wei-li-zhang-not-liang-for-yicheng-pilot). Yu Qin and Fei Wang's 2017 peer-reviewed study states the opposite: Yicheng "was the only jurisdiction with a persistent two-child policy since 1985," a figure sourced to neither side of the Whyte-Wang-Cai/Liang dispute (full comparison at claim-qin-wang-2017-independently-dates-yicheng-pilot-to-1985 and claim-whyte-wang-cai-and-liang-disagree-on-yicheng-pilot-start-date).

The split tracks what each figure rests on: the national dates are the essay's own synthesis of multiple primaries, corroborated in part — on the 1978-79 shift and the 1980 launch, not the 1970s campaign — by a historian's separate primary research; the Yicheng date is borrowed wholesale from one secondary source the essay's authors did not themselves verify against Liang Zhongtang's own record.