Hey, 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
132 Valid Reviews
The Spellbound Ltd experience has a total of 138 reviews. There are 132 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 132 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 83 |
|
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% |
94.17% Average
The raw data average (mean) for all the Spellbound Ltd valid reviews is 94.17% and is based on 132 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 132 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
96.53%
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 |
|---|---|---|---|
| Moira and Tom | 10/10 | 2023 days | 100% |
| Kylee Langdon | 9/10 | 2023 days | 99% |
| Nikki Bristol | 10/10 | 2054 days | 99% |
| shelagh gastrell | 10/10 | 2054 days | 99% |
| Clive Williams | 10/10 | 2115 days | 96% |
| Robin Mooring | 10/10 | 2115 days | 96% |
| Paddy O\\\'Connor | 9/10 | 2115 days | 95% |
| Liz Wade | 10/10 | 2143 days | 95% |
| Trevor | 10/10 | 2144 days | 95% |
| Linda | 10/10 | 2175 days | 93% |
| Pukerooster | 10/10 | 2175 days | 93% |
| T Alan Hatton | 10/10 | 2206 days | 92% |
| Emile | 10/10 | 2236 days | 91% |
| GODARD Tuatini | 10/10 | 2267 days | 89% |
| Ella | 10/10 | 2267 days | 89% |
| Sarah & Paul | 10/10 | 2267 days | 89% |
| Mary | 10/10 | 2328 days | 87% |
| Ricardo Nigro | 10/10 | 2420 days | 83% |
| beryl maehe rogers | 10/10 | 2450 days | 81% |
| Carlos Madrid | 9/10 | 2450 days | 81% |
| maryann de la haye | 10/10 | 2450 days | 81% |
| Kris | 10/10 | 2481 days | 80% |
| Jean-Martial MARENNE | 10/10 | 2481 days | 80% |
| Eleri | 10/10 | 2481 days | 80% |
| Richard Taylor | 10/10 | 2509 days | 79% |
| Jenny Hume | 10/10 | 2540 days | 77% |
| Ollie Bigelow | 10/10 | 2601 days | 75% |
| Kristine | 10/10 | 2601 days | 75% |
| Bill Lyon | 10/10 | 2601 days | 75% |
| Rob & Jan | 10/10 | 2601 days | 75% |
| geex25@gmail.com | 8/10 | 2601 days | 73% |
| Alex | 10/10 | 2632 days | 73% |
| Tara Holmes | 10/10 | 2632 days | 73% |
| Marg | 10/10 | 2632 days | 73% |
| Annette and Jan | 10/10 | 2632 days | 73% |
| Vanesa De la haza | 10/10 | 2662 days | 72% |
| Judy | 10/10 | 2662 days | 72% |
| Emanda | 10/10 | 2662 days | 72% |
| Mary | 10/10 | 2662 days | 72% |
| Paul from Australia | 10/10 | 2785 days | 67% |
| Brad, California | 10/10 | 2846 days | 64% |
| Sarah Killury | 10/10 | 2873 days | 63% |
| Kristin Svensson | 10/10 | 2904 days | 62% |
| Javier Mimbrera | 10/10 | 3026 days | 56% |
| Dave Rollison | 9/10 | 3210 days | 48% |
| Judit Van lanen | 9/10 | 3288 days | 40% |
| Thomas Nolwenn | 7/10 | 3336 days | 35% |
| Jilly Crew | 10/10 | 3391 days | 40% |
| Cj Bloomfield | 10/10 | 3514 days | 35% |
| Stephan Kirchenbaur | 8/10 | 3571 days | 28% |
| Eline Meijer | 7/10 | 3648 days | 24% |
| Ruth P | 10/10 | 3666 days | 28% |
| villemain pascale | 10/10 | 3697 days | 27% |
| Shelley Adderley | 10/10 | 3727 days | 26% |
| Niko Stange | 10/10 | 3910 days | 18% |
| Abi Fielder | 10/10 | 3969 days | 15% |
| MARYSE DUMAS | 9/10 | 4000 days | 13% |
| Karen Hale | 8/10 | 4000 days | 13% |
| Erik Hafuer | 10/10 | 4010 days | 12% |
| Bram and Laura | 9/10 | 4032 days | 11% |
| Polly Rider | 9/10 | 4036 days | 10% |
| Kyle S | 10/10 | 4092 days | 10% |
| Simon Mehlmann | 10/10 | 4284 days | 1% |
| Astrid | 10/10 | 4307 days | 0% |
| Miriam Grund | 8/10 | 4311 days | 0% |
| Brian | 9/10 | 4427 days | 19% |
| Martin & Carol | 10/10 | 4458 days | 19% |
| Christine & Andrew | 9/10 | 4550 days | 19% |
| Bonnie and David Appleby | 10/10 | 4672 days | 19% |
| Rob Walker | 10/10 | 4672 days | 19% |
| Brigitte | 9/10 | 4750 days | 17% |
| Andreas Garbin | 10/10 | 4750 days | 17% |
| cmhamlin | 10/10 | 4762 days | 19% |
| Fam von Hattem | 9/10 | 4774 days | 17% |
| Bodil Andersen | 10/10 | 4777 days | 17% |
| phudgb | 10/10 | 4823 days | 19% |
| Lukea | 10/10 | 5006 days | 19% |
| Huw Davies | 9/10 | 5012 days | 17% |
| Lisa Carey | 9/10 | 5023 days | 17% |
| Michael Touzer | 9/10 | 5032 days | 17% |
| Lucy Wilde | 9/10 | 5040 days | 17% |
| Miina Hyuonen | 8/10 | 5048 days | 17% |
| Dieter Mangold | 10/10 | 5049 days | 17% |
| Preben vil Helmsen | 10/10 | 5049 days | 17% |
| Rachel | 7/10 | 5051 days | 16% |
| Christian Apfel | 9/10 | 5054 days | 17% |
| Elizabeth Gardner | 9/10 | 5058 days | 17% |
| Fleur & Nils | 9/10 | 5059 days | 17% |
| kiwiconvert | 10/10 | 5066 days | 19% |
| ivanovskyv | 10/10 | 5097 days | 19% |
| Willem & Lilian | 9/10 | 5137 days | 17% |
| Lardy | 8/10 | 5145 days | 17% |
| piseagalba | 10/10 | 5158 days | 19% |
| katel86 | 10/10 | 5219 days | 19% |
| shelleyp | 10/10 | 5342 days | 19% |
| bdel1963 | 10/10 | 5342 days | 19% |
| Geoff Shutt | 9/10 | 5342 days | 19% |
| Ralph & Marloes Meyers | 8/10 | 5371 days | 17% |
| Helen Evans | 7/10 | 5386 days | 16% |
| Binder | 6/10 | 5387 days | 14% |
| Monica | 8/10 | 5399 days | 17% |
| Vincent | 9/10 | 5407 days | 17% |
| Kurmann/Kayser | 9/10 | 5409 days | 17% |
| Pascal | 9/10 | 5421 days | 17% |
| Kris | 10/10 | 5421 days | 17% |
| Sprangers | 9/10 | 5424 days | 17% |
| ianbateup | 10/10 | 5431 days | 19% |
| Lance | 10/10 | 5523 days | 19% |
| Papu | 10/10 | 5523 days | 19% |
| marisraneth | 8/10 | 5737 days | 17% |
| john england | 10/10 | 5768 days | 19% |
| Mary Selfa | 10/10 | 5792 days | 17% |
| snodge | 9/10 | 5796 days | 19% |
| PaulR | 10/10 | 5827 days | 19% |
| Thomas Rust | 10/10 | 5862 days | 17% |
| SBlake | 10/10 | 6107 days | 17% |
| KathM | 8/10 | 6118 days | 17% |
| ToyalFrance | 10/10 | 6122 days | 17% |
| Donna | 10/10 | 6127 days | 17% |
| PeterG | 9/10 | 6135 days | 17% |
| NicoleG | 8/10 | 6135 days | 17% |
| ReneeA | 9/10 | 6150 days | 17% |
| Ans | 8/10 | 6175 days | 17% |
| Marga V | 10/10 | 6214 days | 19% |
| mehunt | 9/10 | 6214 days | 19% |
| lming60 | 6/10 | 6227 days | 16% |
| Bryony Wilson | 9/10 | 6482 days | 17% |
| Buys | 7/10 | 6507 days | 16% |
| Carole Roccia | 10/10 | 6543 days | 17% |
| Valeria Barouch | 10/10 | 6584 days | 17% |
| Katherine | 10/10 | 6858 days | 17% |
| Nissa | 10/10 | 6867 days | 17% |
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
-4.06% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 42 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 | -4.00% |
| 198 | -4.02% |
| 199 | -4.04% |
| 200 | -4.06% |
| 201 | -4.08% |
| 202 | -4.10% |
| 203 | -4.12% |
| … | … |
Balancing Adjustment
0.70% 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
93%
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.