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 | 2014 days | 100% |
| Kylee Langdon | 9/10 | 2014 days | 99% |
| Nikki Bristol | 10/10 | 2045 days | 99% |
| shelagh gastrell | 10/10 | 2045 days | 99% |
| Clive Williams | 10/10 | 2106 days | 96% |
| Robin Mooring | 10/10 | 2106 days | 96% |
| Paddy O\\\'Connor | 9/10 | 2106 days | 95% |
| Liz Wade | 10/10 | 2134 days | 95% |
| Trevor | 10/10 | 2135 days | 95% |
| Linda | 10/10 | 2166 days | 93% |
| Pukerooster | 10/10 | 2166 days | 93% |
| T Alan Hatton | 10/10 | 2197 days | 92% |
| Emile | 10/10 | 2227 days | 91% |
| GODARD Tuatini | 10/10 | 2258 days | 89% |
| Ella | 10/10 | 2258 days | 89% |
| Sarah & Paul | 10/10 | 2258 days | 89% |
| Mary | 10/10 | 2319 days | 87% |
| Ricardo Nigro | 10/10 | 2411 days | 83% |
| beryl maehe rogers | 10/10 | 2441 days | 81% |
| Carlos Madrid | 9/10 | 2441 days | 81% |
| maryann de la haye | 10/10 | 2441 days | 81% |
| Kris | 10/10 | 2472 days | 80% |
| Jean-Martial MARENNE | 10/10 | 2472 days | 80% |
| Eleri | 10/10 | 2472 days | 80% |
| Richard Taylor | 10/10 | 2500 days | 79% |
| Jenny Hume | 10/10 | 2531 days | 77% |
| Ollie Bigelow | 10/10 | 2592 days | 75% |
| Kristine | 10/10 | 2592 days | 75% |
| Bill Lyon | 10/10 | 2592 days | 75% |
| Rob & Jan | 10/10 | 2592 days | 75% |
| geex25@gmail.com | 8/10 | 2592 days | 73% |
| Alex | 10/10 | 2623 days | 73% |
| Tara Holmes | 10/10 | 2623 days | 73% |
| Marg | 10/10 | 2623 days | 73% |
| Annette and Jan | 10/10 | 2623 days | 73% |
| Vanesa De la haza | 10/10 | 2653 days | 72% |
| Judy | 10/10 | 2653 days | 72% |
| Emanda | 10/10 | 2653 days | 72% |
| Mary | 10/10 | 2653 days | 72% |
| Paul from Australia | 10/10 | 2776 days | 67% |
| Brad, California | 10/10 | 2837 days | 64% |
| Sarah Killury | 10/10 | 2864 days | 63% |
| Kristin Svensson | 10/10 | 2895 days | 62% |
| Javier Mimbrera | 10/10 | 3017 days | 56% |
| Dave Rollison | 9/10 | 3201 days | 48% |
| Judit Van lanen | 9/10 | 3279 days | 40% |
| Thomas Nolwenn | 7/10 | 3327 days | 35% |
| Jilly Crew | 10/10 | 3382 days | 40% |
| Cj Bloomfield | 10/10 | 3505 days | 35% |
| Stephan Kirchenbaur | 8/10 | 3562 days | 28% |
| Eline Meijer | 7/10 | 3639 days | 24% |
| Ruth P | 10/10 | 3657 days | 28% |
| villemain pascale | 10/10 | 3688 days | 27% |
| Shelley Adderley | 10/10 | 3718 days | 26% |
| Niko Stange | 10/10 | 3901 days | 18% |
| Abi Fielder | 10/10 | 3960 days | 15% |
| MARYSE DUMAS | 9/10 | 3991 days | 13% |
| Karen Hale | 8/10 | 3991 days | 13% |
| Erik Hafuer | 10/10 | 4001 days | 12% |
| Bram and Laura | 9/10 | 4023 days | 11% |
| Polly Rider | 9/10 | 4027 days | 10% |
| Kyle S | 10/10 | 4083 days | 10% |
| Simon Mehlmann | 10/10 | 4275 days | 1% |
| Astrid | 10/10 | 4298 days | 0% |
| Miriam Grund | 8/10 | 4302 days | 0% |
| Brian | 9/10 | 4418 days | 19% |
| Martin & Carol | 10/10 | 4449 days | 19% |
| Christine & Andrew | 9/10 | 4541 days | 19% |
| Bonnie and David Appleby | 10/10 | 4663 days | 19% |
| Rob Walker | 10/10 | 4663 days | 19% |
| Brigitte | 9/10 | 4741 days | 17% |
| Andreas Garbin | 10/10 | 4741 days | 17% |
| cmhamlin | 10/10 | 4753 days | 19% |
| Fam von Hattem | 9/10 | 4765 days | 17% |
| Bodil Andersen | 10/10 | 4768 days | 17% |
| phudgb | 10/10 | 4814 days | 19% |
| Lukea | 10/10 | 4997 days | 19% |
| Huw Davies | 9/10 | 5003 days | 17% |
| Lisa Carey | 9/10 | 5014 days | 17% |
| Michael Touzer | 9/10 | 5023 days | 17% |
| Lucy Wilde | 9/10 | 5031 days | 17% |
| Miina Hyuonen | 8/10 | 5039 days | 16% |
| Dieter Mangold | 10/10 | 5040 days | 17% |
| Preben vil Helmsen | 10/10 | 5040 days | 17% |
| Rachel | 7/10 | 5042 days | 15% |
| Christian Apfel | 9/10 | 5045 days | 17% |
| Elizabeth Gardner | 9/10 | 5049 days | 17% |
| Fleur & Nils | 9/10 | 5050 days | 17% |
| kiwiconvert | 10/10 | 5057 days | 19% |
| ivanovskyv | 10/10 | 5088 days | 19% |
| Willem & Lilian | 9/10 | 5128 days | 17% |
| Lardy | 8/10 | 5136 days | 16% |
| piseagalba | 10/10 | 5149 days | 19% |
| katel86 | 10/10 | 5210 days | 19% |
| shelleyp | 10/10 | 5333 days | 19% |
| bdel1963 | 10/10 | 5333 days | 19% |
| Geoff Shutt | 9/10 | 5333 days | 19% |
| Ralph & Marloes Meyers | 8/10 | 5362 days | 16% |
| Helen Evans | 7/10 | 5377 days | 15% |
| Binder | 6/10 | 5378 days | 14% |
| Monica | 8/10 | 5390 days | 16% |
| Vincent | 9/10 | 5398 days | 17% |
| Kurmann/Kayser | 9/10 | 5400 days | 17% |
| Pascal | 9/10 | 5412 days | 17% |
| Kris | 10/10 | 5412 days | 17% |
| Sprangers | 9/10 | 5415 days | 17% |
| ianbateup | 10/10 | 5422 days | 19% |
| Lance | 10/10 | 5514 days | 19% |
| Papu | 10/10 | 5514 days | 19% |
| marisraneth | 8/10 | 5728 days | 16% |
| john england | 10/10 | 5759 days | 19% |
| Mary Selfa | 10/10 | 5783 days | 17% |
| snodge | 9/10 | 5787 days | 19% |
| PaulR | 10/10 | 5818 days | 19% |
| Thomas Rust | 10/10 | 5853 days | 17% |
| SBlake | 10/10 | 6098 days | 17% |
| KathM | 8/10 | 6109 days | 16% |
| ToyalFrance | 10/10 | 6113 days | 17% |
| Donna | 10/10 | 6118 days | 17% |
| PeterG | 9/10 | 6126 days | 17% |
| NicoleG | 8/10 | 6126 days | 16% |
| ReneeA | 9/10 | 6141 days | 17% |
| Ans | 8/10 | 6166 days | 16% |
| Marga V | 10/10 | 6205 days | 19% |
| mehunt | 9/10 | 6206 days | 19% |
| lming60 | 6/10 | 6218 days | 16% |
| Bryony Wilson | 9/10 | 6473 days | 17% |
| Buys | 7/10 | 6498 days | 15% |
| Carole Roccia | 10/10 | 6534 days | 17% |
| Valeria Barouch | 10/10 | 6575 days | 17% |
| Katherine | 10/10 | 6849 days | 17% |
| Nissa | 10/10 | 6858 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
-4.07% 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 | -4.01% |
| 198 | -4.03% |
| 199 | -4.05% |
| 200 | -4.07% |
| 201 | -4.09% |
| 202 | -4.11% |
| 203 | -4.13% |
| … | … |
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.