{
    "statement": "faster: freelance developers with GitHub Copilot finished one JavaScript server task in 71 minutes vs 161 without it (2022 test)",
    "value_display": "55.8%",
    "value_numeric": 55.8,
    "unit": "%",
    "data_label": "May to Jun 2022",
    "data_period_end": "2022-06-20",
    "region": "Global",
    "size": "all",
    "source": {
        "name": "arXiv preprint server",
        "publisher": "Cornell University (arXiv)",
        "type": "study",
        "url": "https://arxiv.org/"
    },
    "source_url": "https://arxiv.org/abs/2302.06590",
    "source_quote": "The treatment group, with access to the AI pair programmer, completed the task 55.8% faster than the control group.",
    "verification_note": "Read on arxiv.org abstract and full paper (Peng, Kalliamvakou, Cihon, Demirer). Matches data.js value; ADDED sample size: 95 Upwork developers recruited (45 Copilot, 50 control); 95% CI 21% to 89%. One task, not overall productivity.",
    "verified_at": "2026-10-23T00:00:00+00:00",
    "margin_of_error": null,
    "dont_know": null,
    "data_table": null,
    "revisions": [],
    "page_url": "https://digitaltreed.com/statistics/web-development/copilot-controlled-experiment-task-speed",
    "csv_url": "https://digitaltreed.com/statistics/web-development/copilot-controlled-experiment-task-speed.csv"
}