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 Polynesian Spa.
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.
Polynesian Spa
Valid Reviews
132 Valid Reviews
The Polynesian Spa experience has a total of 135 reviews. There are 132 valid reviews that are included when calculating the ranking score and 3 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 | 21 |
|
16% |
| 9/10 | 31 |
|
23% |
| 8/10 | 34 |
|
26% |
| 7/10 | 26 |
|
20% |
| 6/10 | 10 |
|
8% |
| 5/10 | 2 |
|
2% |
| 4/10 | 4 |
|
3% |
| 3/10 | 4 |
|
3% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
78.86% Average
The raw data average (mean) for all the Polynesian Spa valid reviews is 78.86% 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
122 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 122 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 122 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 19 |
|
16% |
| 9/10 | 26 |
|
21% |
| 8/10 | 33 |
|
27% |
| 7/10 | 26 |
|
21% |
| 6/10 | 9 |
|
7% |
| 5/10 | 2 |
|
2% |
| 4/10 | 4 |
|
3% |
| 3/10 | 3 |
|
2% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
78.61% Average
The raw data average (mean) for all the Polynesian Spa face-to-face reviews is 78.61% and is based on 122 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
79.84%
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 |
|---|---|---|---|
| Joonas Lehtomaki | 4/10 | 3290 days | 68% |
| Margot | 7/10 | 3293 days | 96% |
| Philip Sheridan | 7/10 | 3302 days | 95% |
| John Edwards | 9/10 | 3319 days | 100% |
| Cathy La Frenais | 8/10 | 3560 days | 76% |
| Marie Bocquier | 8/10 | 3569 days | 76% |
| Felix | 8/10 | 3604 days | 72% |
| Fabian | 7/10 | 3605 days | 69% |
| Juro | 7/10 | 3605 days | 69% |
| Sandra | 7/10 | 3615 days | 68% |
| Franziska and Sabine | 8/10 | 3623 days | 71% |
| Martina | 8/10 | 3631 days | 70% |
| Jessie Sabine | 7/10 | 4331 days | 4% |
| Matthew Trezise | 7/10 | 4331 days | 4% |
| Frederic Gazzarin | 10/10 | 4336 days | 4% |
| Patricia Gazzarin | 9/10 | 4336 days | 4% |
| Melissa Hermansson | 8/10 | 4339 days | 3% |
| Thi Baut | 9/10 | 4376 days | 0% |
| Alice Berg | 8/10 | 4670 days | 47% |
| nl | 9/10 | 4779 days | 48% |
| Peter Kent | 9/10 | 5029 days | 48% |
| Antoine Lacoste | 6/10 | 5035 days | 42% |
| Hanna Clement | 6/10 | 5036 days | 42% |
| Numa Brouimet | 8/10 | 5038 days | 47% |
| Darina Kvasnicova | 8/10 | 5044 days | 47% |
| Richard Harvey | 9/10 | 5051 days | 48% |
| Mark Bogton | 9/10 | 5051 days | 48% |
| Hannah Bean | 7/10 | 5053 days | 45% |
| Elise Violet | 7/10 | 5055 days | 45% |
| Dominique | 8/10 | 5055 days | 47% |
| Lepied | 8/10 | 5058 days | 47% |
| Kimberley Mills | 10/10 | 5058 days | 48% |
| John Reynolds | 8/10 | 5066 days | 47% |
| Kurt Furuskar | 9/10 | 5082 days | 48% |
| Barsch, Arwed & Gertrud | 10/10 | 5102 days | 48% |
| Jan & Marian | 10/10 | 5145 days | 48% |
| Natascha Rachel | 3/10 | 5353 days | 26% |
| P Bukal | 10/10 | 5387 days | 48% |
| Kendall | 8/10 | 5391 days | 47% |
| Michael Simmang | 10/10 | 5396 days | 48% |
| Dave Patterson | 8/10 | 5399 days | 47% |
| Jerven and Kim | 3/10 | 5401 days | 26% |
| Katy Bourne | 7/10 | 5402 days | 45% |
| Claudio | 3/10 | 5414 days | 26% |
| Walter Peters | 9/10 | 5420 days | 48% |
| Claire Hoyland | 9/10 | 5423 days | 48% |
| Eva Stauderova | 9/10 | 5427 days | 48% |
| Amanda Craig | 7/10 | 5430 days | 45% |
| D Oostrum | 8/10 | 5431 days | 47% |
| C Gobl | 8/10 | 5435 days | 47% |
| Rosey834 | 9/10 | 5498 days | 48% |
| JimBradshaw | 9/10 | 5651 days | 48% |
| KieranE | 7/10 | 5712 days | 45% |
| Victoria Slater | 10/10 | 5747 days | 48% |
| Andy & Louise Dutton | 10/10 | 5760 days | 48% |
| Leonard Vans | 7/10 | 5773 days | 45% |
| Cecile | 9/10 | 5776 days | 48% |
| Maria Lorentzen | 9/10 | 5780 days | 48% |
| Sue Bennett | 9/10 | 5783 days | 48% |
| Robert Trostle | 10/10 | 5786 days | 48% |
| Mark | 8/10 | 5792 days | 47% |
| Bram-Jan M | 8/10 | 5800 days | 47% |
| Sebastian Kramer | 4/10 | 5807 days | 32% |
| Maarten | 9/10 | 5810 days | 48% |
| varenaee | 9/10 | 5848 days | 48% |
| Trisha T | 9/10 | 5863 days | 48% |
| Bue Verrept | 8/10 | 5870 days | 47% |
| Wim Put | 9/10 | 5889 days | 48% |
| Poonam Patel | 10/10 | 6004 days | 48% |
| KYinNZ | 9/10 | 6016 days | 48% |
| monniere | 8/10 | 6017 days | 47% |
| YohanM | 7/10 | 6102 days | 45% |
| David | 9/10 | 6107 days | 48% |
| Andrew | 8/10 | 6107 days | 47% |
| Yvanna | 7/10 | 6126 days | 45% |
| Maria | 8/10 | 6130 days | 47% |
| SarahK | 10/10 | 6140 days | 48% |
| RachelR | 9/10 | 6140 days | 48% |
| SofiaBrazil | 10/10 | 6140 days | 48% |
| MartinG | 8/10 | 6140 days | 47% |
| TatiamT | 10/10 | 6140 days | 48% |
| PellucoFrance | 8/10 | 6141 days | 47% |
| Ole | 8/10 | 6147 days | 47% |
| Tessa | 10/10 | 6157 days | 48% |
| DaraghD | 8/10 | 6164 days | 47% |
| Annika | 4/10 | 6171 days | 32% |
| Kirk | 6/10 | 6175 days | 42% |
| Evangelista | 6/10 | 6179 days | 42% |
| Corinna | 7/10 | 6181 days | 45% |
| Maud | 7/10 | 6211 days | 45% |
| Spyfox | 10/10 | 6213 days | 48% |
| Inga | 7/10 | 6232 days | 45% |
| Sabrina | 9/10 | 6238 days | 48% |
| Nadia | 7/10 | 6240 days | 45% |
| Gayle | 8/10 | 6264 days | 47% |
| Rebekka | 9/10 | 6270 days | 48% |
| Antonella | 10/10 | 6281 days | 48% |
| teamaustria | 9/10 | 6296 days | 48% |
| Katja | 7/10 | 6313 days | 45% |
| Fiona | 10/10 | 6326 days | 48% |
| Louise | 8/10 | 6326 days | 47% |
| fgregory | 10/10 | 6369 days | 48% |
| Bonny Doon | 6/10 | 6370 days | 42% |
| Toni Keown | 3/10 | 6462 days | 26% |
| Naoko | 5/10 | 6473 days | 37% |
| Olaf Penn | 7/10 | 6498 days | 45% |
| Mie Toft Pedersen | 10/10 | 6503 days | 48% |
| Tobias Rahm | 6/10 | 6512 days | 42% |
| Haemnerli | 8/10 | 6512 days | 47% |
| Maruja | 9/10 | 6550 days | 48% |
| Maria | 5/10 | 6550 days | 37% |
| Amanda Finger | 9/10 | 6555 days | 48% |
| Desiree Muri | 10/10 | 6555 days | 48% |
| Andrew Porter | 8/10 | 6555 days | 47% |
| Kay | 9/10 | 6578 days | 48% |
| Martin Nigschit | 6/10 | 6581 days | 42% |
| lawrence Walker | 8/10 | 6581 days | 47% |
| Fiona | 9/10 | 6588 days | 48% |
| Neil Cooke | 7/10 | 6589 days | 45% |
| Willemien | 8/10 | 6599 days | 47% |
| Kimberley Mayer | 9/10 | 6599 days | 48% |
| Kim | 10/10 | 6794 days | 48% |
| Stacey | 7/10 | 6817 days | 45% |
| Michael | 8/10 | 6830 days | 47% |
| Jules | 6/10 | 6835 days | 42% |
| Fran | 7/10 | 6837 days | 45% |
| Dave | 6/10 | 6837 days | 42% |
| Bas Marieke | 8/10 | 6848 days | 47% |
| Detlef | 4/10 | 6851 days | 32% |
| Jenny | 7/10 | 6853 days | 45% |
| Duncan | 7/10 | 6866 days | 45% |
| Nissa | 6/10 | 6872 days | 42% |
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 Polynesian Spa experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-4.04% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 41 days. However the Polynesian Spa 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 Polynesian Spa experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.98% |
| 198 | -4.00% |
| 199 | -4.02% |
| 200 | -4.04% |
| 201 | -4.06% |
| 202 | -4.08% |
| 203 | -4.10% |
| … | … |
Balancing Adjustment
4.35% 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
80%
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.