Sample
20 redditors with explicit opinion · 17 positive · 3 negative · 0 neutral
Score
0.850 — formula: 0.75 × % positive + 0.25 × pos/neg ratio
Confidence95% CI: 64–95% · the true approval rate falls in this range with 95% statistical confidence
Verdict
Holy Grail — ≥80% positive across ≥20 redditors. Top tier.
Sources
r/Wavyhair, r/curlyhair