Book
Lonely Planet Kids Create Your Own Travel Journal: Fun Activities, Games & Challenges Inside | Diary & Keepsake | Write & Draw Precious Trip Moments | Story Prompts
Two parallel scores from 4 calibrated reviewers and 4 raw-average reviewers.
Z-normalized corrects for reviewer bias (every reviewer re-centered onto their personal scale). Raw average uses simple mean across the broader pool including stddev=0 reviewers. The 15-point gap is the rating-inflation signature for this title — discriminating reviewers liked it more than the casual crowd.
Where this book sits
Z-normalized percentile · 5,285 ranked books
| Mean reviewer z-score | +0.208 |
|---|---|
| Calibrated raw-mean rating | 4.75 /5 |
| Broad raw-mean rating | 4.75 /5 |
| 90% CI-floor (z) | -0.614 |
| Reviewers (calibrated / broad) | 4 / 4 |
Summary
Lonely Planet Kids Create Your Own Travel Journal: Fun Activities, Games & Challenges Inside | Diary & Keepsake | Write & Draw Precious Trip Moments | Story Prompts sits at the 56th z-normalized percentile across 5,285ranked books. The z-percentile differs from a raw star average because Rankquant subtracts each reviewer's personal baseline before aggregating — so a reader who rates everything 5 stars carries less weight than one who rates discerningly. Raw-average percentile is 41; the gap between the two measures how much bias-correction changes this title's standing. How percentiles are computed.
Pipeline applied to this title
The math, in this order
4 reviewers with rating variance re-centered onto a personal z-scale.
Mean z = +0.208. Broad raw mean = 4.75/5.
90% CI-floor = -0.614. Thin samples penalized.
Global 56.4. Z-track and raw-track ranked separately.
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