Kia ora, 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 | 169 days | 100% |
| Moira and Tom | 10/10 | 2209 days | 4% |
| Kylee Langdon | 9/10 | 2209 days | 4% |
| Nikki Bristol | 10/10 | 2240 days | 4% |
| shelagh gastrell | 10/10 | 2240 days | 4% |
| Clive Williams | 10/10 | 2301 days | 4% |
| Robin Mooring | 10/10 | 2301 days | 4% |
| Paddy O\\\'Connor | 9/10 | 2301 days | 4% |
| Liz Wade | 10/10 | 2330 days | 4% |
| Trevor | 10/10 | 2330 days | 4% |
| Linda | 10/10 | 2361 days | 4% |
| Pukerooster | 10/10 | 2361 days | 4% |
| T Alan Hatton | 10/10 | 2392 days | 4% |
| Emile | 10/10 | 2422 days | 4% |
| GODARD Tuatini | 10/10 | 2453 days | 4% |
| Ella | 10/10 | 2453 days | 4% |
| Sarah & Paul | 10/10 | 2453 days | 4% |
| Mary | 10/10 | 2514 days | 4% |
| Ricardo Nigro | 10/10 | 2606 days | 3% |
| beryl maehe rogers | 10/10 | 2636 days | 3% |
| Carlos Madrid | 9/10 | 2636 days | 3% |
| maryann de la haye | 10/10 | 2636 days | 3% |
| Kris | 10/10 | 2667 days | 3% |
| Jean-Martial MARENNE | 10/10 | 2667 days | 3% |
| Eleri | 10/10 | 2667 days | 3% |
| Richard Taylor | 10/10 | 2695 days | 3% |
| Jenny Hume | 10/10 | 2726 days | 3% |
| Ollie Bigelow | 10/10 | 2787 days | 3% |
| Kristine | 10/10 | 2787 days | 3% |
| Bill Lyon | 10/10 | 2787 days | 3% |
| Rob & Jan | 10/10 | 2787 days | 3% |
| geex25@gmail.com | 8/10 | 2787 days | 3% |
| Alex | 10/10 | 2818 days | 3% |
| Tara Holmes | 10/10 | 2818 days | 3% |
| Marg | 10/10 | 2818 days | 3% |
| Annette and Jan | 10/10 | 2818 days | 3% |
| Vanesa De la haza | 10/10 | 2848 days | 3% |
| Judy | 10/10 | 2848 days | 3% |
| Emanda | 10/10 | 2848 days | 3% |
| Mary | 10/10 | 2848 days | 3% |
| Paul from Australia | 10/10 | 2971 days | 3% |
| Brad, California | 10/10 | 3032 days | 2% |
| Sarah Killury | 10/10 | 3060 days | 2% |
| Kristin Svensson | 10/10 | 3091 days | 2% |
| Javier Mimbrera | 10/10 | 3213 days | 2% |
| Dave Rollison | 9/10 | 3397 days | 2% |
| Judit Van lanen | 9/10 | 3474 days | 1% |
| Thomas Nolwenn | 7/10 | 3522 days | 1% |
| Jilly Crew | 10/10 | 3578 days | 1% |
| Cj Bloomfield | 10/10 | 3701 days | 1% |
| Stephan Kirchenbaur | 8/10 | 3757 days | 1% |
| Eline Meijer | 7/10 | 3834 days | 1% |
| Ruth P | 10/10 | 3853 days | 1% |
| villemain pascale | 10/10 | 3883 days | 1% |
| Shelley Adderley | 10/10 | 3914 days | 1% |
| Niko Stange | 10/10 | 4097 days | 0% |
| Abi Fielder | 10/10 | 4156 days | 0% |
| MARYSE DUMAS | 9/10 | 4187 days | 0% |
| Karen Hale | 8/10 | 4187 days | 0% |
| Erik Hafuer | 10/10 | 4196 days | 0% |
| Bram and Laura | 9/10 | 4218 days | 0% |
| Polly Rider | 9/10 | 4222 days | 0% |
| Kyle S | 10/10 | 4279 days | 0% |
| Simon Mehlmann | 10/10 | 4470 days | 1% |
| Astrid | 10/10 | 4493 days | 1% |
| Miriam Grund | 8/10 | 4497 days | 1% |
| Brian | 9/10 | 4613 days | 1% |
| Martin & Carol | 10/10 | 4644 days | 1% |
| Christine & Andrew | 9/10 | 4736 days | 1% |
| Bonnie and David Appleby | 10/10 | 4858 days | 1% |
| Rob Walker | 10/10 | 4858 days | 1% |
| Brigitte | 9/10 | 4936 days | 1% |
| Andreas Garbin | 10/10 | 4936 days | 1% |
| cmhamlin | 10/10 | 4948 days | 1% |
| Fam von Hattem | 9/10 | 4960 days | 1% |
| Bodil Andersen | 10/10 | 4963 days | 1% |
| phudgb | 10/10 | 5009 days | 1% |
| Lukea | 10/10 | 5192 days | 1% |
| Huw Davies | 9/10 | 5198 days | 1% |
| Lisa Carey | 9/10 | 5209 days | 1% |
| Michael Touzer | 9/10 | 5218 days | 1% |
| Lucy Wilde | 9/10 | 5226 days | 1% |
| Miina Hyuonen | 8/10 | 5234 days | 1% |
| Dieter Mangold | 10/10 | 5235 days | 1% |
| Preben vil Helmsen | 10/10 | 5235 days | 1% |
| Rachel | 7/10 | 5237 days | 1% |
| Christian Apfel | 9/10 | 5240 days | 1% |
| Elizabeth Gardner | 9/10 | 5244 days | 1% |
| Fleur & Nils | 9/10 | 5245 days | 1% |
| kiwiconvert | 10/10 | 5252 days | 1% |
| ivanovskyv | 10/10 | 5283 days | 1% |
| Willem & Lilian | 9/10 | 5323 days | 1% |
| Lardy | 8/10 | 5331 days | 1% |
| piseagalba | 10/10 | 5344 days | 1% |
| katel86 | 10/10 | 5405 days | 1% |
| shelleyp | 10/10 | 5528 days | 1% |
| bdel1963 | 10/10 | 5528 days | 1% |
| Geoff Shutt | 9/10 | 5528 days | 1% |
| Ralph & Marloes Meyers | 8/10 | 5557 days | 1% |
| Helen Evans | 7/10 | 5572 days | 1% |
| Binder | 6/10 | 5573 days | 1% |
| Monica | 8/10 | 5585 days | 1% |
| Vincent | 9/10 | 5593 days | 1% |
| Kurmann/Kayser | 9/10 | 5595 days | 1% |
| Pascal | 9/10 | 5607 days | 1% |
| Kris | 10/10 | 5607 days | 1% |
| Sprangers | 9/10 | 5610 days | 1% |
| ianbateup | 10/10 | 5617 days | 1% |
| Lance | 10/10 | 5709 days | 1% |
| Papu | 10/10 | 5709 days | 1% |
| marisraneth | 8/10 | 5923 days | 1% |
| john england | 10/10 | 5954 days | 1% |
| Mary Selfa | 10/10 | 5978 days | 1% |
| snodge | 9/10 | 5982 days | 1% |
| PaulR | 10/10 | 6013 days | 1% |
| Thomas Rust | 10/10 | 6048 days | 1% |
| SBlake | 10/10 | 6293 days | 1% |
| KathM | 8/10 | 6304 days | 1% |
| ToyalFrance | 10/10 | 6308 days | 1% |
| Donna | 10/10 | 6313 days | 1% |
| PeterG | 9/10 | 6321 days | 1% |
| NicoleG | 8/10 | 6321 days | 1% |
| ReneeA | 9/10 | 6336 days | 1% |
| Ans | 8/10 | 6361 days | 1% |
| Marga V | 10/10 | 6400 days | 1% |
| mehunt | 9/10 | 6401 days | 1% |
| lming60 | 6/10 | 6414 days | 1% |
| Bryony Wilson | 9/10 | 6668 days | 1% |
| Buys | 7/10 | 6693 days | 1% |
| Carole Roccia | 10/10 | 6729 days | 1% |
| Valeria Barouch | 10/10 | 6770 days | 1% |
| Katherine | 10/10 | 7044 days | 1% |
| Nissa | 10/10 | 7053 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
-1.81% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 118 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 167 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 164 | -1.77% |
| 165 | -1.79% |
| 166 | -1.80% |
| 167 | -1.81% |
| 168 | -1.82% |
| 169 | -1.83% |
| 170 | -1.84% |
| … | … |
Balancing Adjustment
0.37% 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.