CIS Poll Gives PSOE 160 Seats: Archives Against Tezanos
The latest CIS barometer grants the PSOE 160 seats, a figure exceeding all other forecasts and nearing an absolute majority. Published amid controversy over the drift of the agency led by José Félix Tezanos, the data has been met with widespread skepticism. While PP and Vox speak of "manipulation," the PSOE remains silent, and analysts review the CIS's history of deviations.
Tezanos' CIS: A History of Controversies
Since Tezanos took the helm of the CIS in 2018, its polls have consistently shown voting intentions for the PSOE far above the average of other surveys. In 2019, the CIS forecast a range of 130-150 seats for the socialists, while the actual result was 120. This gap has persisted through successive waves, and the latest barometer, with 160 seats, marks a new peak. Critics point to methodological changes, such as online polling and response weighting, which inflate the governing party's results.
Political Reactions and Official Narrative
The PP has labeled the poll a "parody" and demanded Tezanos appear before Congress. Vox recalled that the CIS previously predicted a sorpasso by Unidas Podemos that never peine. From the independence movement, ERC and Junts mocked the need for the PSOE to negotiate with them to govern, as 160 seats do not reach the absolute majority (176). Meanwhile, the PSOE avoids commenting, letting the data speak for itself.
What is the Real Probability of the PSOE Reaching 160 Seats?
Media polls from El Mundo, La Razón, or ABC place the PSOE in a range of 110-130 seats, far from the 160 threshold. Last month's average of polls (by RTVE) gives the PSOE 118 seats, PP 102, Vox 40, and Sumar 35. To reach 160, the PSOE would need an increase of 42 seats compared to the average, unprecedented in an electoral cycle without major crises. The divergence between the CIS and the rest of the polling industry is so systematic that many analysts refer to "the Tezanos effect."
The lingering question is whether this poll reflects a real shift in voting intention or another episode of the CIS's methodological drift. Meanwhile, markets and investors watch closely: a socialist absolute majority could imply more interventionist economic policies, but skepticism about the poll's reliability means the impact is currently nil. What the debate fails to clarify is how much the CIS has become a propaganda tool, or if its methods are simply no longer valid for measuring Spanish political reality.
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