hidden-profile-llm-groups / code /run_e3_fixed_votes.py
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"""
Experiment 3 (FIXED): Hidden Profile under CMC - Fixed Vote Parsing
Fix: Vote parsing failed for 2/4 models. Now uses structured output:
- Force "MY FINAL VOTE: [A/B/C]" format in last discussion message
- Add explicit voting round with strict prompt
- Parse votes from structured output
- 2x2 design: sync/async x shared/hidden
- 3 models via Cloudflare x 4 conditions x 15 trials = 180 sessions
- DV: optimal decision rate, info sharing rate
"""
import json, time, re, os, sys, requests
from collections import Counter
# ---- Cloudflare Workers AI setup ----
def load_cf_keys(path="/scratch/ctoxtli/apis/cloudflare_workers_ai_key.txt"):
pairs = []
with open(path) as f:
lines = [l.strip() for l in f if l.strip()]
i = 0
while i < len(lines) - 1:
acc_line = lines[i]
key_line = lines[i+1]
account_id = acc_line.split(":", 1)[1].strip()
api_token = key_line.split(":", 1)[1].strip()
pairs.append((account_id, api_token))
i += 2
return pairs
CF_KEYS = load_cf_keys()
_cf_idx = [0]
MODELS = [
"@cf/meta/llama-3.3-70b-instruct-fp8-fast",
"@cf/meta/llama-3.1-8b-instruct-fast",
"@cf/qwen/qwen2.5-coder-32b-instruct",
]
def cf_chat(messages, model, temperature=0.7, max_tokens=512):
idx = _cf_idx[0] % len(CF_KEYS)
_cf_idx[0] += 1
account_id, api_token = CF_KEYS[idx]
url = f"https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run/{model}"
for attempt in range(5):
try:
resp = requests.post(url, headers={"Authorization": f"Bearer {api_token}"},
json={"messages": messages, "temperature": temperature,
"max_tokens": max_tokens}, timeout=90)
data = resp.json()
result = data.get("result", {}).get("response", "")
if result is not None and result != "":
return str(result)
idx = _cf_idx[0] % len(CF_KEYS)
_cf_idx[0] += 1
account_id, api_token = CF_KEYS[idx]
url = f"https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run/{model}"
time.sleep(1)
except Exception as e:
time.sleep(2)
idx = _cf_idx[0] % len(CF_KEYS)
_cf_idx[0] += 1
account_id, api_token = CF_KEYS[idx]
url = f"https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run/{model}"
return ""
# ---- Candidate profiles (same as original) ----
TRIALS_PER_CONDITION = 15
NUM_AGENTS = 3
NUM_DISCUSSION_ROUNDS = 3
CANDIDATE_A_POSITIVES = [
"Has 5 years of relevant project management experience",
"Excellent public speaking and presentation skills",
"Graduated with honors from a well-known business school",
"Strong track record of meeting deadlines consistently",
"Received a company-wide innovation award last year",
"Has experience working with international clients",
]
CANDIDATE_B_POSITIVES = [
"Holds an MBA from a respected institution",
"Demonstrated leadership by managing a team of 12",
"Proficient in three languages (English, French, Mandarin)",
"Managed departmental budgets exceeding $2M annually",
"Organized a successful company retreat that boosted morale",
"Built a mentorship program adopted company-wide",
]
CANDIDATE_C_POSITIVES = [
"Has a relevant advanced certification in the field",
"Consistently received positive peer feedback",
"Increased team productivity by 35% through process improvements",
"Developed a patented workflow tool used across the industry",
"Published 4 peer-reviewed papers in top management journals",
"Led a turnaround project that saved the division from closure",
"Secured $5M in new client contracts in one fiscal year",
"Designed and launched a cross-departmental collaboration initiative",
]
CANDIDATE_A_NEGATIVES = [
"Has changed jobs three times in five years",
"Limited technical skills with industry-specific software",
]
CANDIDATE_B_NEGATIVES = [
"Tends to micro-manage direct reports",
"Has no experience in this specific industry vertical",
"Received mixed 360-degree reviews at last position",
]
CANDIDATE_C_NEGATIVES = [
"Relocated four times in six years",
"Can be overly blunt in feedback delivery",
]
ALL_UNIQUE_INFO = (
CANDIDATE_A_POSITIVES[4:6]
+ CANDIDATE_B_POSITIVES[4:6]
+ CANDIDATE_C_POSITIVES[2:4]
+ CANDIDATE_C_POSITIVES[4:6]
+ CANDIDATE_C_POSITIVES[6:8]
)
ALL_ATTRIBUTES = (
CANDIDATE_A_POSITIVES + CANDIDATE_A_NEGATIVES
+ CANDIDATE_B_POSITIVES + CANDIDATE_B_NEGATIVES
+ CANDIDATE_C_POSITIVES + CANDIDATE_C_NEGATIVES
)
def build_agent_info(info_condition):
agents = {}
for aid in range(NUM_AGENTS):
agents[aid] = {}
if info_condition == "shared":
agents[aid]["A"] = {"positives": list(CANDIDATE_A_POSITIVES),
"negatives": list(CANDIDATE_A_NEGATIVES)}
agents[aid]["B"] = {"positives": list(CANDIDATE_B_POSITIVES),
"negatives": list(CANDIDATE_B_NEGATIVES)}
agents[aid]["C"] = {"positives": list(CANDIDATE_C_POSITIVES),
"negatives": list(CANDIDATE_C_NEGATIVES)}
else:
a_pos = CANDIDATE_A_POSITIVES[:4]
if aid == 0:
a_pos = list(CANDIDATE_A_POSITIVES)
agents[aid]["A"] = {"positives": list(a_pos),
"negatives": list(CANDIDATE_A_NEGATIVES)}
b_pos = CANDIDATE_B_POSITIVES[:4]
if aid == 1:
b_pos = list(CANDIDATE_B_POSITIVES)
agents[aid]["B"] = {"positives": list(b_pos),
"negatives": list(CANDIDATE_B_NEGATIVES)}
c_pos = list(CANDIDATE_C_POSITIVES[:2])
if aid == 0:
c_pos += CANDIDATE_C_POSITIVES[2:4]
elif aid == 1:
c_pos += CANDIDATE_C_POSITIVES[4:6]
else:
c_pos += CANDIDATE_C_POSITIVES[6:8]
agents[aid]["C"] = {"positives": c_pos,
"negatives": list(CANDIDATE_C_NEGATIVES)}
return agents
def format_info(agent_info):
text = ""
for cand in ["A", "B", "C"]:
info = agent_info[cand]
text += f"\nCandidate {cand}:\n"
text += " Strengths:\n"
for p in info["positives"]:
text += f" + {p}\n"
text += " Weaknesses:\n"
for n in info["negatives"]:
text += f" - {n}\n"
return text
def measure_info_sharing(discussion_texts):
combined = " ".join(discussion_texts).lower()
unique_mentioned = 0
for item in ALL_UNIQUE_INFO:
keywords = [w.lower() for w in item.split() if len(w) > 4]
matches = sum(1 for kw in keywords if kw in combined)
if matches >= min(2, len(keywords)):
unique_mentioned += 1
distinct_attrs = 0
for attr in ALL_ATTRIBUTES:
keywords = [w.lower() for w in attr.split() if len(w) > 4]
matches = sum(1 for kw in keywords if kw in combined)
if matches >= min(2, len(keywords)):
distinct_attrs += 1
return unique_mentioned, distinct_attrs
# ---- Discussion modes ----
def run_synchronous(model, agent_infos):
discussion = []
discussion_texts = []
for rnd in range(NUM_DISCUSSION_ROUNDS):
for aid in range(NUM_AGENTS):
history = ""
if discussion:
history = "Discussion so far:\n"
for (speaker, msg) in discussion:
history += f" Committee Member {speaker + 1}: {msg}\n"
history += "\n"
is_final = (rnd == NUM_DISCUSSION_ROUNDS - 1)
if rnd == 0 and aid == 0:
instruction = (
"Share your initial assessment of the candidates. "
"Which candidate do you prefer and why? Mention specific "
"strengths and weaknesses from your information."
)
elif not is_final:
instruction = (
"Respond to the discussion. Share any information you have "
"that has not been mentioned yet, and react to what others "
"have said. Be specific about candidate attributes."
)
else:
instruction = (
"This is the final discussion round. Summarize your view, "
"mention any remaining information you have not yet shared. "
"At the END of your response, you MUST include this exact line:\n"
"MY FINAL VOTE: [A/B/C]\n"
"(Replace [A/B/C] with the single letter of your chosen candidate.)"
)
prompt = (
f"You are Committee Member {aid + 1} on a 3-person hiring committee. "
f"You are choosing among 3 candidates (A, B, C) for a senior role.\n\n"
f"Here is the candidate information YOU have access to:\n"
f"{format_info(agent_infos[aid])}\n\n"
f"{history}"
f"Round {rnd + 1} of {NUM_DISCUSSION_ROUNDS} -- {instruction}"
)
response = cf_chat([{"role": "user", "content": prompt}], model,
temperature=0.7, max_tokens=512)
discussion.append((aid, response))
discussion_texts.append(response)
time.sleep(0.5)
return discussion, discussion_texts
def run_asynchronous(model, agent_infos):
discussion = []
discussion_texts = []
round_posts = []
for rnd in range(NUM_DISCUSSION_ROUNDS):
history = ""
if round_posts:
history = "Posts from previous rounds:\n"
for r_idx, posts in enumerate(round_posts):
history += f"--- Round {r_idx + 1} ---\n"
for (speaker, msg) in posts:
history += f" Committee Member {speaker + 1}: {msg}\n"
history += "\n"
is_final = (rnd == NUM_DISCUSSION_ROUNDS - 1)
if rnd == 0:
instruction = (
"Post your initial assessment of the candidates. "
"Which candidate do you prefer and why? "
"Mention specific strengths and weaknesses you know about. "
"Note: other members are posting their assessments at the same "
"time - you will see their posts after this round."
)
elif not is_final:
instruction = (
"Based on what has been posted so far, share any new information "
"you have that has not been mentioned. React to what others wrote. "
"Other members are posting at the same time as you this round."
)
else:
instruction = (
"This is the final round. Summarize your position, share any "
"remaining information. "
"At the END of your response, you MUST include this exact line:\n"
"MY FINAL VOTE: [A/B/C]\n"
"(Replace [A/B/C] with the single letter of your chosen candidate.)"
)
current_round_posts = []
for aid in range(NUM_AGENTS):
prompt = (
f"You are Committee Member {aid + 1} on a 3-person hiring committee. "
f"You are choosing among 3 candidates (A, B, C) for a senior role.\n\n"
f"Here is the candidate information YOU have access to:\n"
f"{format_info(agent_infos[aid])}\n\n"
f"{history}"
f"Round {rnd + 1} of {NUM_DISCUSSION_ROUNDS} -- {instruction}"
)
response = cf_chat([{"role": "user", "content": prompt}], model,
temperature=0.7, max_tokens=512)
current_round_posts.append((aid, response))
discussion.append((aid, response))
discussion_texts.append(response)
time.sleep(0.5)
round_posts.append(current_round_posts)
return discussion, discussion_texts
# ---- FIXED: Structured voting round ----
def collect_votes_structured(model, agent_infos, discussion):
"""Explicit voting round with strict structured output."""
full_discussion = ""
for (speaker, msg) in discussion:
full_discussion += f"Committee Member {speaker + 1}: {msg}\n\n"
votes = []
raw_responses = []
for aid in range(NUM_AGENTS):
prompt = (
f"You are Committee Member {aid + 1} on a hiring committee. "
f"The committee has finished deliberating. Here is the full discussion:\n\n"
f"{full_discussion}\n"
f"Based on ALL information shared during the discussion, cast your "
f"FINAL VOTE for the best candidate.\n\n"
f"Respond with ONLY the letter: A, B, or C\n"
f"Do not include any other text. Just the single letter."
)
response = cf_chat([{"role": "user", "content": prompt}], model,
temperature=0.1, max_tokens=10)
raw_responses.append(response)
# Parse vote - multiple strategies
vote = None
# Strategy 1: Check for "MY FINAL VOTE: X" pattern in discussion
# (from the last discussion round)
for (speaker, msg) in reversed(discussion):
if speaker == aid:
match = re.search(r'MY\s+FINAL\s+VOTE:\s*([ABC])', msg.upper())
if match:
vote = match.group(1)
break
# Strategy 2: Parse the explicit vote response
if not vote:
clean = response.strip().upper()
# Just a single letter
if clean in ["A", "B", "C"]:
vote = clean
else:
# Look for A, B, or C in the response
for char in clean:
if char in "ABC":
vote = char
break
# Strategy 3: If still no vote, try one more time with even stricter prompt
if not vote:
retry_prompt = (
"You must vote for exactly one candidate. "
"Type ONLY the letter A, B, or C. Nothing else."
)
retry_response = cf_chat([{"role": "user", "content": retry_prompt}], model,
temperature=0.0, max_tokens=5)
clean2 = retry_response.strip().upper()
for char in clean2:
if char in "ABC":
vote = char
break
votes.append(vote or "X")
time.sleep(0.3)
vote_counts = Counter(votes)
group_decision = vote_counts.most_common(1)[0][0]
return votes, group_decision, raw_responses
def main():
outpath = "/scratch/ctoxtli/papers/cscw_paper/e3_fixed_votes.json"
# Resume from checkpoint
results = []
if os.path.exists(outpath):
try:
with open(outpath) as f:
results = json.load(f)
print(f"Resuming from checkpoint: {len(results)} results", flush=True)
except:
results = []
completed = {
(r["model"], r.get("communication_mode", ""), r.get("info_condition", ""), r.get("trial", -1))
for r in results
if "error" not in r
}
comm_modes = ["synchronous", "asynchronous"]
info_conditions = ["shared", "hidden"]
total = len(MODELS) * len(comm_modes) * len(info_conditions) * TRIALS_PER_CONDITION
count = len(results)
for model in MODELS:
model_short = model.split("/")[-1]
print(f"\n{'='*60}")
print(f"Model: {model_short}")
print(f"{'='*60}")
for mode in comm_modes:
for info_cond in info_conditions:
print(f"\n Mode: {mode}, Info: {info_cond}")
for trial in range(TRIALS_PER_CONDITION):
if (model, mode, info_cond, trial) in completed:
continue
count += 1
try:
agent_infos = build_agent_info(info_cond)
if mode == "synchronous":
discussion, disc_texts = run_synchronous(model, agent_infos)
else:
discussion, disc_texts = run_asynchronous(model, agent_infos)
votes, group_decision, raw_vote_responses = collect_votes_structured(
model, agent_infos, discussion)
unique_mentioned, distinct_attrs = measure_info_sharing(disc_texts)
total_unique = len(ALL_UNIQUE_INFO)
info_sharing_rate = unique_mentioned / total_unique if total_unique > 0 else 0.0
result = {
"model": model,
"communication_mode": mode,
"info_condition": info_cond,
"trial": trial,
"votes": votes,
"group_decision": group_decision,
"chose_optimal": group_decision == "C",
"info_sharing_rate": round(info_sharing_rate, 4),
"unique_info_mentioned": unique_mentioned,
"total_unique_info": total_unique,
"discussion_depth": distinct_attrs,
"discussion_rounds": NUM_DISCUSSION_ROUNDS,
"vote_parse_success": all(v in "ABC" for v in votes),
"raw_vote_responses": raw_vote_responses,
}
results.append(result)
print(f" Trial {trial}: decision={group_decision}, "
f"optimal={'Y' if result['chose_optimal'] else 'N'}, "
f"votes={votes}, "
f"info_share={info_sharing_rate:.2f} "
f"[{count}/{total}]")
except Exception as e:
print(f" Trial {trial} FAILED: {e}")
results.append({
"model": model, "communication_mode": mode,
"info_condition": info_cond, "trial": trial,
"error": str(e),
})
with open(outpath, "w") as f:
json.dump(results, f, indent=2)
time.sleep(0.3)
print(f"\nSaved {len(results)} results to {outpath}")
# Summary
print("\n" + "="*60)
print("SUMMARY: Decision quality (proportion choosing optimal C)")
print("="*60)
for model in MODELS:
model_short = model.split("/")[-1]
print(f"\nModel: {model_short}")
for mode in comm_modes:
for info_cond in info_conditions:
trials = [r for r in results
if r["model"] == model
and r.get("communication_mode") == mode
and r.get("info_condition") == info_cond
and "error" not in r]
if trials:
optimal = sum(1 for t in trials if t.get("chose_optimal", False))
avg_share = sum(t["info_sharing_rate"] for t in trials) / len(trials)
parse_ok = sum(1 for t in trials if t.get("vote_parse_success", False))
print(f" {mode:13s} / {info_cond:6s}: "
f"optimal={optimal}/{len(trials)} ({100*optimal/len(trials):.1f}%), "
f"info_share={avg_share:.2f}, "
f"vote_parse={parse_ok}/{len(trials)}")
if __name__ == "__main__":
main()