deploy sd35m: 40 pairs

app/main.py

@@ -107,20 +107,26 @@ async def register(req: Request):
     return {"token": token, "pairs": pairs}
 
 def _summarize(votes):
-    """Per-participant own results (thank-you page): one-click guided-preference counts overall + per style."""
-    overall = [0, 0]; by_style = {}
+    """Per-participant own results (thank-you page): three-way win/tie/lose vs our method, overall + per style.
+    win = chose ours, tie = 'cannot decide', lose = chose the other; rates are over ALL comparisons (incl. ties)."""
+    def tri():
+        return [0, 0, 0]   # [ours_win, tie, other_win]
+    overall = tri(); by_style = {}
     for v in votes:
         p = PAIRS.get(int(v.get("pair_id", -1)))
         ch = v.get("choice")
-        if not p or p["kind"] != "real" or ch not in ("left", "right"):
+        if not p or p["kind"] != "real" or ch not in ("left", "right", "cannot"):
             continue
-        gw = int(ch == p["guided_side"])
-        overall[0] += gw; overall[1] += 1
-        s = by_style.setdefault(p["style"], [0, 0]); s[0] += gw; s[1] += 1
-    return {"pref": {"guided": overall[0], "n": overall[1],
-                     "rate": (overall[0] / overall[1]) if overall[1] else None,
-                     "by_style": {k: {"guided": x[0], "n": x[1], "rate": (x[0] / x[1]) if x[1] else None}
-                                  for k, x in by_style.items()}}}
+        k = 1 if ch == "cannot" else (0 if ch == p["guided_side"] else 2)
+        overall[k] += 1
+        by_style.setdefault(p["style"], tri())[k] += 1
+    def pack(t):
+        n = sum(t)
+        return {"win": t[0], "tie": t[1], "lose": t[2], "n": n,
+                "win_rate": (t[0] / n) if n else None,
+                "tie_rate": (t[1] / n) if n else None,
+                "lose_rate": (t[2] / n) if n else None}
+    return {"pref": {**pack(overall), "by_style": {k: pack(t) for k, t in by_style.items()}}}
 
 @app.post("/api/submit")
 async def submit(req: Request):
@@ -167,13 +173,17 @@ def stats(key: str = ""):
                 SUM(CASE WHEN guided_chosen IS NULL THEN 1 ELSE 0 END) ties
                 FROM votes WHERE kind='real' AND question=? AND token IN
                 (SELECT token FROM participants WHERE completed=1) GROUP BY style""", (q,)).fetchall()
-            tot = c.execute(f"""SELECT COUNT(*) n, SUM(guided_chosen) g FROM votes
-                WHERE kind='real' AND question=? AND guided_chosen IS NOT NULL
+            tot = c.execute(f"""SELECT COUNT(*) n, SUM(guided_chosen) g,
+                SUM(CASE WHEN guided_chosen IS NULL THEN 1 ELSE 0 END) ties
+                FROM votes WHERE kind='real' AND question=?
                 AND token IN (SELECT token FROM participants WHERE completed=1)""", (q,)).fetchone()
+            N = tot["n"] or 0; W = tot["g"] or 0; T = tot["ties"] or 0; L = N - W - T   # win / tie / lose
             out["by_question"][q] = {
-                "overall_n_nontie": tot["n"], "overall_guided_wins": tot["g"],
-                "overall_guided_winrate": (tot["g"]/tot["n"]) if tot["n"] else None,
-                "by_style": {r["style"]: {"n": r["n"], "guided": r["g"], "ties": r["ties"]} for r in rows}}
+                "n": N, "win": W, "tie": T, "lose": L,
+                "win_rate": (W/N) if N else None, "tie_rate": (T/N) if N else None, "lose_rate": (L/N) if N else None,
+                "decisive_win_rate": (W/(W+L)) if (W+L) else None,   # ties dropped (sign-test denominator)
+                "by_style": {r["style"]: {"n": r["n"], "win": r["g"] or 0, "tie": r["ties"] or 0,
+                                          "lose": (r["n"] - (r["g"] or 0) - (r["ties"] or 0))} for r in rows}}
     return out
 
 @app.get("/api/export")

app/static/index.html

@@ -112,12 +112,13 @@ function renderResults(res){
   let rows="";
   for(const s of ks){
     const ps=p.by_style[s]||{};
-    rows+=`<tr><td>${STYLE_LBL[s]||s}</td><td>${pct(ps.rate)} <span class="mut">(${ps.guided||0}/${ps.n||0})</span></td></tr>`;
+    rows+=`<tr><td>${STYLE_LBL[s]||s}</td><td>${pct(ps.win_rate)}</td><td>${pct(ps.tie_rate)}</td><td>${pct(ps.lose_rate)}</td></tr>`;
   }
-  const table = ks.length>1 ? `<table><tr class="mut"><th>Style</th><th>Preferred ours</th></tr>${rows}</table>` : "";
+  const table = ks.length>1 ? `<table><tr class="mut"><th>Style</th><th>Ours</th><th>No pref.</th><th>Other</th></tr>${rows}</table>` : "";
   $("myresults").innerHTML = `
-    <p class="center">You preferred <b>our method</b> <b>${pct(p.rate)}</b> of the time
-      <span class="mut">(${p.guided}/${p.n}; 50% = no preference; the method identity was hidden).</span></p>${table}`;
+    <p class="center">Over your <b>${p.n}</b> comparisons: you preferred <b>ours ${pct(p.win_rate)}</b>,
+      had <b>no preference ${pct(p.tie_rate)}</b>, and preferred <b>the other ${pct(p.lose_rate)}</b>
+      <span class="mut">(the method identity was hidden).</span></p>${table}`;
 }
 fetch("/api/info").then(r=>r.json()).then(d=>{ $("npairs").textContent=d.n_pairs; $("mins").textContent=d.est_minutes; }).catch(()=>{ $("npairs").textContent="a few dozen"; });
 $("start").onclick=start;