EXP-PENT-REPL-3

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Pentagon Replication 3 — N=5, 10 rds/agent, rotation=3

2026-03-10 L3 level paper3 1 runs $0.01

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In plain language

Repeating the experiment with 5 agents and 50 rounds, but with a different speaking order (rotation=3). Need to find out how stable hierarchy is at N=5.

What we found

UNDERPOWERED (N=1): No predictions scored

Predictions we made before running

0/1 confirmed

▶ Technical details

Research hypothesis

REPLICATION of exp-pent. Same parameters (N=5, 50 rounds, 10 rds/agent) with rotation=3 (original used rotation=0). Tests robustness of N=5 hierarchy across different speaking-order positions.

Pre-registered prediction: TR_range > 0.40 for each run. Context: N=7 dilution replication (4 runs) gave mean=0.494, SD=0.080. We need N=5 variance to compare populations.

Experimental setup

Type: simple

Condition	Parameters
PENT_LIVE	persona: PERSONA, interaction: LIVE, n_agents: 5, n_rounds: 50, note: Replication 3. Rotation=3.

Factors: n_agents (5) × rounds_per_agent (10)

Parameters

n_agents: 5
n_rounds: 50
n_runs_per_condition: 1
model: gemini-2.5-flash-lite
temperature: 0.9
scheduler: round_robin

Trophic Ratios by Condition

Mean trophic ratio per agent across runs. Error bars = ±1 std dev. Higher TR = more upstream (exporter).