G'day, thanks for your interest in how we calculate an experience's ranking score. It's at the core of Rankers so I'm pleased you're curious.
The ranking score percentage is used to compare and sort experiences in ranking tables. It is not necessarily a direct measurement of the quality of a particular experience as rated by its customers. I've found it a useful tool to allow me to find the best experiences with confidence. But I've also found it important to read the customer reviews before making any final judgements!
We calculate an experience's ranking score using a multi-factor data model instead of a raw data average (mean). This model takes into account several important questions. For instance - is there a trusted body of reviews? What is the age of a review and is the review from a credible source?
Below you'll find details around some of the important factors that went into calculating the ranking score for Spellbound Ltd.
If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz. We don't believe this is perfect or complete so we're always interested in ways we might make improvements.
Spellbound Ltd
Valid Reviews
133 Valid Reviews
The Spellbound Ltd experience has a total of 139 reviews. There are 133 valid reviews that are included when calculating the ranking score and 6 invalid reviews that are excluded from the calculation. Reviews can be excluded only when a reviewer is not verified or after an investigation by our team determines the reviewer is not genuine.
Below is the distribution of ratings for the 133 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 84 |
|
63% |
| 9/10 | 30 |
|
23% |
| 8/10 | 12 |
|
9% |
| 7/10 | 5 |
|
4% |
| 6/10 | 2 |
|
2% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
94.21% Average
The raw data average (mean) for all the Spellbound Ltd valid reviews is 94.21% and is based on 133 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.
Face-to-Face Reviews
52 Face-to-Face Reviews
The Rankers team meets with travellers while they’re in New Zealand and conducts face-to-face surveys. These reviews, in our opinion, are the most trusted in the industry and represent a critical control sample. To our knowledge, we are the only travel review website in the world that has gone to this extent.
More about face-to-face reviews
Within the 133 valid reviews, the experience has 52 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 52 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 16 |
|
31% |
| 9/10 | 20 |
|
38% |
| 8/10 | 10 |
|
19% |
| 7/10 | 5 |
|
10% |
| 6/10 | 1 |
|
2% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
88.65% Average
The raw data average (mean) for all the Spellbound Ltd face-to-face reviews is 88.65% and is based on 52 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
97.51%
Rankers calculates a weighted mean as a base average on which we can improve. Individual review's ratings are given a weight based on several factors. The weight of a review determines the overall impact it'll have on the final weighted average.
Recent reviews have more weight as they are more relevant and reflect the experience as it currently operates. Over time reviews become less relevant and loose their impact on the ranking score.
Low rating reviews carry slightly less weight. This dampens the effect of very low ratings for every experience across the board. This is especially important when the experience has few reviews overall and a single negative rating can grossly mischaracterise an experience. Consistent poor reviews will still result in the experience receiving a comparitively low ranking score.
Credible sources provide reviews that can be trusted. If we have verified a reviewer is genuine via a face-to-face meeting then the review carries additional weight.
| Reviewer | Rating | Age | Relative Weight |
|---|---|---|---|
| Zol | 10/10 | 210 days | 100% |
| Moira and Tom | 10/10 | 2250 days | 4% |
| Kylee Langdon | 9/10 | 2250 days | 4% |
| Nikki Bristol | 10/10 | 2281 days | 4% |
| shelagh gastrell | 10/10 | 2281 days | 4% |
| Clive Williams | 10/10 | 2342 days | 4% |
| Robin Mooring | 10/10 | 2342 days | 4% |
| Paddy O\\\'Connor | 9/10 | 2342 days | 4% |
| Liz Wade | 10/10 | 2370 days | 4% |
| Trevor | 10/10 | 2371 days | 4% |
| Linda | 10/10 | 2402 days | 4% |
| Pukerooster | 10/10 | 2402 days | 4% |
| T Alan Hatton | 10/10 | 2433 days | 4% |
| Emile | 10/10 | 2463 days | 4% |
| GODARD Tuatini | 10/10 | 2494 days | 4% |
| Ella | 10/10 | 2494 days | 4% |
| Sarah & Paul | 10/10 | 2494 days | 4% |
| Mary | 10/10 | 2555 days | 4% |
| Ricardo Nigro | 10/10 | 2647 days | 3% |
| beryl maehe rogers | 10/10 | 2677 days | 3% |
| Carlos Madrid | 9/10 | 2677 days | 3% |
| maryann de la haye | 10/10 | 2677 days | 3% |
| Kris | 10/10 | 2708 days | 3% |
| Jean-Martial MARENNE | 10/10 | 2708 days | 3% |
| Eleri | 10/10 | 2708 days | 3% |
| Richard Taylor | 10/10 | 2736 days | 3% |
| Jenny Hume | 10/10 | 2767 days | 3% |
| Ollie Bigelow | 10/10 | 2828 days | 3% |
| Kristine | 10/10 | 2828 days | 3% |
| Bill Lyon | 10/10 | 2828 days | 3% |
| Rob & Jan | 10/10 | 2828 days | 3% |
| geex25@gmail.com | 8/10 | 2828 days | 3% |
| Alex | 10/10 | 2859 days | 3% |
| Tara Holmes | 10/10 | 2859 days | 3% |
| Marg | 10/10 | 2859 days | 3% |
| Annette and Jan | 10/10 | 2859 days | 3% |
| Vanesa De la haza | 10/10 | 2889 days | 3% |
| Judy | 10/10 | 2889 days | 3% |
| Emanda | 10/10 | 2889 days | 3% |
| Mary | 10/10 | 2889 days | 3% |
| Paul from Australia | 10/10 | 3012 days | 3% |
| Brad, California | 10/10 | 3073 days | 3% |
| Sarah Killury | 10/10 | 3100 days | 2% |
| Kristin Svensson | 10/10 | 3131 days | 2% |
| Javier Mimbrera | 10/10 | 3253 days | 2% |
| Dave Rollison | 9/10 | 3437 days | 2% |
| Judit Van lanen | 9/10 | 3515 days | 1% |
| Thomas Nolwenn | 7/10 | 3563 days | 1% |
| Jilly Crew | 10/10 | 3618 days | 1% |
| Cj Bloomfield | 10/10 | 3741 days | 1% |
| Stephan Kirchenbaur | 8/10 | 3798 days | 1% |
| Eline Meijer | 7/10 | 3875 days | 1% |
| Ruth P | 10/10 | 3893 days | 1% |
| villemain pascale | 10/10 | 3924 days | 1% |
| Shelley Adderley | 10/10 | 3954 days | 1% |
| Niko Stange | 10/10 | 4137 days | 0% |
| Abi Fielder | 10/10 | 4196 days | 0% |
| MARYSE DUMAS | 9/10 | 4227 days | 0% |
| Karen Hale | 8/10 | 4227 days | 0% |
| Erik Hafuer | 10/10 | 4237 days | 0% |
| Bram and Laura | 9/10 | 4259 days | 0% |
| Polly Rider | 9/10 | 4263 days | 0% |
| Kyle S | 10/10 | 4319 days | 0% |
| Simon Mehlmann | 10/10 | 4511 days | 1% |
| Astrid | 10/10 | 4534 days | 1% |
| Miriam Grund | 8/10 | 4538 days | 1% |
| Brian | 9/10 | 4654 days | 1% |
| Martin & Carol | 10/10 | 4685 days | 1% |
| Christine & Andrew | 9/10 | 4777 days | 1% |
| Bonnie and David Appleby | 10/10 | 4899 days | 1% |
| Rob Walker | 10/10 | 4899 days | 1% |
| Brigitte | 9/10 | 4977 days | 1% |
| Andreas Garbin | 10/10 | 4977 days | 1% |
| cmhamlin | 10/10 | 4989 days | 1% |
| Fam von Hattem | 9/10 | 5001 days | 1% |
| Bodil Andersen | 10/10 | 5004 days | 1% |
| phudgb | 10/10 | 5050 days | 1% |
| Lukea | 10/10 | 5233 days | 1% |
| Huw Davies | 9/10 | 5239 days | 1% |
| Lisa Carey | 9/10 | 5250 days | 1% |
| Michael Touzer | 9/10 | 5259 days | 1% |
| Lucy Wilde | 9/10 | 5267 days | 1% |
| Miina Hyuonen | 8/10 | 5275 days | 1% |
| Dieter Mangold | 10/10 | 5276 days | 1% |
| Preben vil Helmsen | 10/10 | 5276 days | 1% |
| Rachel | 7/10 | 5278 days | 1% |
| Christian Apfel | 9/10 | 5281 days | 1% |
| Elizabeth Gardner | 9/10 | 5285 days | 1% |
| Fleur & Nils | 9/10 | 5286 days | 1% |
| kiwiconvert | 10/10 | 5293 days | 1% |
| ivanovskyv | 10/10 | 5324 days | 1% |
| Willem & Lilian | 9/10 | 5364 days | 1% |
| Lardy | 8/10 | 5372 days | 1% |
| piseagalba | 10/10 | 5385 days | 1% |
| katel86 | 10/10 | 5446 days | 1% |
| shelleyp | 10/10 | 5569 days | 1% |
| bdel1963 | 10/10 | 5569 days | 1% |
| Geoff Shutt | 9/10 | 5569 days | 1% |
| Ralph & Marloes Meyers | 8/10 | 5598 days | 1% |
| Helen Evans | 7/10 | 5613 days | 1% |
| Binder | 6/10 | 5614 days | 1% |
| Monica | 8/10 | 5626 days | 1% |
| Vincent | 9/10 | 5634 days | 1% |
| Kurmann/Kayser | 9/10 | 5636 days | 1% |
| Pascal | 9/10 | 5648 days | 1% |
| Kris | 10/10 | 5648 days | 1% |
| Sprangers | 9/10 | 5651 days | 1% |
| ianbateup | 10/10 | 5658 days | 1% |
| Lance | 10/10 | 5750 days | 1% |
| Papu | 10/10 | 5750 days | 1% |
| marisraneth | 8/10 | 5964 days | 1% |
| john england | 10/10 | 5995 days | 1% |
| Mary Selfa | 10/10 | 6019 days | 1% |
| snodge | 9/10 | 6023 days | 1% |
| PaulR | 10/10 | 6054 days | 1% |
| Thomas Rust | 10/10 | 6089 days | 1% |
| SBlake | 10/10 | 6334 days | 1% |
| KathM | 8/10 | 6345 days | 1% |
| ToyalFrance | 10/10 | 6349 days | 1% |
| Donna | 10/10 | 6354 days | 1% |
| PeterG | 9/10 | 6362 days | 1% |
| NicoleG | 8/10 | 6362 days | 1% |
| ReneeA | 9/10 | 6377 days | 1% |
| Ans | 8/10 | 6402 days | 1% |
| Marga V | 10/10 | 6441 days | 1% |
| mehunt | 9/10 | 6441 days | 1% |
| lming60 | 6/10 | 6454 days | 1% |
| Bryony Wilson | 9/10 | 6709 days | 1% |
| Buys | 7/10 | 6734 days | 1% |
| Carole Roccia | 10/10 | 6770 days | 1% |
| Valeria Barouch | 10/10 | 6811 days | 1% |
| Katherine | 10/10 | 7085 days | 1% |
| Nissa | 10/10 | 7094 days | 1% |
Adjustments
Several adjustments to the weighted average are added to improve relevancy and credibility. These adjustments apply equally to all experiences that meet the criteria.
Sample Size Adjustment
No Adjustment
A reasonable number of reviews are necessary in order for the average to be credible and for an experience to take a prime position within the ranking tables. As such, experiences with only a few reviews have a moderated score. This does not mean that the experience or the reviews can't be trusted. The Spellbound Ltd experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-2.08% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 123 days. However the Spellbound Ltd experience does not meet the criteria for any adjustment.
In addition, an experience's ranking score may be adjusted for each day there is no new ranking. After 1 day the adjustment comes into effect. The maximum number of days that can be adjusted for is 200 days. Due to the seasonal nature of many businesses, this adjustment is applied dynamically throughout the year.
The Spellbound Ltd experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -2.05% |
| 198 | -2.06% |
| 199 | -2.07% |
| 200 | -2.08% |
| 201 | -2.09% |
| 202 | -2.11% |
| 203 | -2.12% |
| … | … |
Balancing Adjustment
0.39% Adjustment
Every experience's review score is adjusted to balance out the disproportional number of negative reviews that are contributed.
You won't be surprised to learn that disgruntled customers are more likely to leave a review than happy ones. They are motivated to share their experience and warn others. We consider this a good thing and it's why reading the reviews is important. However we've learned it can misrepresent the experience in a more overall sense.
We apply a balancing adjustment to counteract this effect and ensure the ranking score is a more fair representation of the experience. This adjustment is applied equally to all experiences.
Final Ranking Score
96%
The final ranking score once any adjustments, ratings, and rounding has been applied. This value is recalculated each day and a short rolling average is applied. Therefore it may not be precisely accurate based on the other values presented.