Health, Household & Baby
Heating Pad for Back Pain and Cramp Relief Electric Heat Pad with Moist and Dry Therapy for Shoulder -Settings Auto Shut Off -12" x 24"
Bias-adjusted across 214 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Health, Household & Baby.
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How the score was built
- Amazon ratings
- 214
- Raw star average
- 4.2 / 5
- Bayesian avg
- 4.23
- Reviewer-graph z
- 0.783
used for the Bayesian percentile
unadjusted Amazon mean
raw rating shrunk to the category prior
bias-corrected vs. each reviewer's baseline (0 qualifying)
Buy it: View on Amazon →
Same category · Health, Household & Baby
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