Institutional change and partisanship in the Canadian Senate
Bibliographic record
Abstract
The Canadian Senate was originally designed to act as an independent check on the House of Commons but over time, rampant and increasing partisanship rendered the Senate illegitimate in the eyes of the public. In 2014, Liberal leader Justin Trudeau tried to reverse these trends by expelling all Liberal Senators from his party in hopes of reducing partisanship and restoring the Senate to its original, independent function. To what extent did this decision reduce partisanship? Using a difference-in-differences design, we analyse almost 7000 interventions over an 11-year period to find that partisanship remains strong in the Senate, with ex-Liberal Senators more likely to raise women's issues compared to Conservative Senators post-2014. This trend seems consistent with the Liberal Party's strong and the Conservative Party's weak feminist agenda after the Liberals formed the government in 2015.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.005 | 0.015 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.002 | 0.004 |
| Science and technology studies | 0.016 | 0.007 |
| Scholarly communication | 0.004 | 0.001 |
| Open science | 0.002 | 0.004 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.007 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".