What the evidence says
The claims on this page split into two bodies of evidence that never directly test each other. One is a neural-network simulation of a proposed reform to popular judicial election, built from the reform debate rather than from observed judicial behavior; it produces four hypothesized effects, all in the same direction, all at medium-to-high confidence on direction and low confidence on magnitude. The model's results indicate popular election could politicize the judicial process and compromise impartiality, that it could reduce judicial autonomy and expose judges to pressure that undermines impartial decisions, that candidates without adequate judicial experience could win seats, and that the added cost of running elections and building a judicial disciplinary tribunal could reduce public and professional acceptance of the reform. None of these are measured against a real popular-election system — they are outputs of a model of the reform debate, so the direction is asserted with more confidence than the size of any effect.
The second body of evidence is empirical and observational: a cross-sectional study of judges on the European Court of Human Rights, who are appointed by national governments rather than elected. Here the finding is not that appointment avoids politicization, but that the character of the appointing government shapes who gets appointed — governments more favorably disposed toward European integration appoint more activist judges to the ECHR. This is a correlational regression finding, not an experiment, and the paper does not rule out reverse causality.
The same study also establishes a structural fact about how appointed judges vote once seated: activism-restraint is the main axis along which ECHR judges divide, verified through discrimination parameters where all 90 percent credible intervals stayed positive — a high-confidence, high-magnitude result within that dataset. Notably, the same study finds no measured effect of judges' legal culture or their home countries' domestic human rights records on this variation in activism — a null result reported with high confidence in direction.
Taken together, the evidence base does not answer the question its topic implies. No claim here directly compares judicial behavior, decision quality, or public trust between an elected and an appointed court using the same measurement. The elected-court evidence is simulated rather than observed; the appointed-court evidence is observed but measures how appointing-government characteristics shape judge selection and voting behavior, not how appointed courts compare to elected ones on any outcome.