Hi, 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 Stray.
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.
Stray
Valid Reviews
195 Valid Reviews
The Stray experience has a total of 202 reviews. There are 195 valid reviews that are included when calculating the ranking score and 7 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 195 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 62 |
|
32% |
| 9/10 | 42 |
|
22% |
| 8/10 | 36 |
|
18% |
| 7/10 | 31 |
|
16% |
| 6/10 | 9 |
|
5% |
| 5/10 | 7 |
|
4% |
| 4/10 | 3 |
|
2% |
| 3/10 | 5 |
|
3% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
83.03% Average
The raw data average (mean) for all the Stray valid reviews is 83.03% and is based on 195 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
101 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 195 valid reviews, the experience has 101 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 101 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 10 |
|
10% |
| 9/10 | 15 |
|
15% |
| 8/10 | 30 |
|
30% |
| 7/10 | 28 |
|
28% |
| 6/10 | 6 |
|
6% |
| 5/10 | 4 |
|
4% |
| 4/10 | 3 |
|
3% |
| 3/10 | 5 |
|
5% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
74.65% Average
The raw data average (mean) for all the Stray face-to-face reviews is 74.65% and is based on 101 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
84.55%
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 |
|---|---|---|---|
| Atte | 6/10 | 2356 days | 100% |
| Tom C | 10/10 | 3146 days | 68% |
| Jodie | 10/10 | 3146 days | 68% |
| Paul | 10/10 | 3146 days | 68% |
| Christin Ossege | 10/10 | 3268 days | 61% |
| Theodore Trozinski | 9/10 | 3328 days | 56% |
| Phil Hartmann | 10/10 | 3481 days | 47% |
| dana forrest | 10/10 | 3573 days | 42% |
| Abbi Smith | 10/10 | 3634 days | 38% |
| Nicko Wong | 10/10 | 3665 days | 36% |
| Jodine | 10/10 | 3693 days | 34% |
| Samuel Berwick | 10/10 | 3693 days | 34% |
| Amy Jellings | 10/10 | 3785 days | 29% |
| Anna Elden | 9/10 | 3785 days | 28% |
| Andrea Leichtl | 10/10 | 4000 days | 15% |
| Johanna Molenaar | 7/10 | 4000 days | 13% |
| Claudia Bauch | 3/10 | 4029 days | 3% |
| Charlotte Wilson | 10/10 | 4030 days | 13% |
| Chris Luebbi | 8/10 | 4031 days | 13% |
| jason beinstein | 9/10 | 4058 days | 11% |
| discoveringaway | 9/10 | 4059 days | 11% |
| ieva m | 8/10 | 4090 days | 9% |
| Sonia | 10/10 | 4090 days | 10% |
| Zsolt | 10/10 | 4090 days | 10% |
| Victoria Wander | 10/10 | 4090 days | 10% |
| TtotheT13 | 9/10 | 4121 days | 7% |
| Kim O'Neill | 10/10 | 4151 days | 6% |
| Maia Kazaks | 8/10 | 4151 days | 5% |
| Colette Keely | 10/10 | 4182 days | 4% |
| Jen Hards | 10/10 | 4212 days | 2% |
| Thomas Jones | 10/10 | 4243 days | 0% |
| Raj Singh | 10/10 | 4243 days | 0% |
| Sohie | 9/10 | 4401 days | 23% |
| Robin Andersson | 9/10 | 4424 days | 23% |
| Megan Gallagher | 10/10 | 4455 days | 23% |
| Andy Brown | 10/10 | 4455 days | 23% |
| Vinnie K | 10/10 | 4516 days | 23% |
| Heather_Oz | 9/10 | 4577 days | 23% |
| luciasolda | 10/10 | 4639 days | 23% |
| jennyj | 10/10 | 4669 days | 23% |
| dwehrtmann | 9/10 | 4700 days | 23% |
| Evaislief | 10/10 | 4730 days | 23% |
| Malena | 10/10 | 4761 days | 23% |
| navilink | 10/10 | 4761 days | 23% |
| meganb04 | 10/10 | 4761 days | 23% |
| MaryG | 10/10 | 4761 days | 23% |
| JoPycroft | 10/10 | 4761 days | 23% |
| lovebyname | 9/10 | 4761 days | 23% |
| Sonia Sennane | 7/10 | 4762 days | 21% |
| Tamara McVey | 7/10 | 4773 days | 21% |
| Rachel | 7/10 | 4775 days | 21% |
| Danielle & Jobbe | 8/10 | 4775 days | 23% |
| Andy Bridgman | 8/10 | 4775 days | 23% |
| Fiona Finke | 6/10 | 4781 days | 19% |
| Miron & Hendrik | 8/10 | 4785 days | 23% |
| marielou | 10/10 | 4790 days | 23% |
| iainmcgin | 10/10 | 4790 days | 23% |
| redkeels | 10/10 | 4790 days | 23% |
| lulu | 6/10 | 4821 days | 19% |
| Boogie | 5/10 | 4852 days | 16% |
| isha | 9/10 | 4852 days | 23% |
| pepper | 9/10 | 4882 days | 23% |
| Kez | 10/10 | 4913 days | 23% |
| Brilly01 | 8/10 | 4913 days | 23% |
| yens123 | 9/10 | 4913 days | 23% |
| louiset | 9/10 | 4913 days | 23% |
| siek09 | 9/10 | 4943 days | 23% |
| rosey | 10/10 | 4974 days | 23% |
| Cadz | 10/10 | 4974 days | 23% |
| natalietrueman84 | 10/10 | 5005 days | 23% |
| Josie | 10/10 | 5005 days | 23% |
| Scott_and_Stephanie | 9/10 | 5096 days | 23% |
| Samantha | 10/10 | 5096 days | 23% |
| Tracey Airiscough | 9/10 | 5118 days | 23% |
| Vanessa Hanzen | 4/10 | 5119 days | 12% |
| Lauren McKeone | 7/10 | 5125 days | 21% |
| Faye Cox | 7/10 | 5125 days | 21% |
| pudddddin | 9/10 | 5127 days | 23% |
| alicevarren | 9/10 | 5127 days | 23% |
| irisheyes | 7/10 | 5127 days | 21% |
| Steff | 7/10 | 5147 days | 21% |
| Forestal Youri | 7/10 | 5147 days | 21% |
| Amanda Craig | 8/10 | 5149 days | 23% |
| Olle Beide | 8/10 | 5155 days | 23% |
| JonathanMills | 8/10 | 5155 days | 23% |
| lisa | 9/10 | 5186 days | 23% |
| phydough | 6/10 | 5217 days | 19% |
| zippy | 10/10 | 5308 days | 23% |
| TerriH | 10/10 | 5339 days | 23% |
| ciara | 10/10 | 5370 days | 23% |
| mel1407 | 10/10 | 5370 days | 23% |
| Claram | 9/10 | 5400 days | 23% |
| joycevanb | 7/10 | 5431 days | 21% |
| JohnG | 10/10 | 5431 days | 23% |
| nicolejr413 | 9/10 | 5461 days | 23% |
| Antoine Migault | 8/10 | 5482 days | 23% |
| Christine T | 7/10 | 5486 days | 21% |
| Kay Beaumont | 8/10 | 5494 days | 23% |
| Johan | 7/10 | 5494 days | 21% |
| S Millet | 9/10 | 5498 days | 23% |
| Jens van Evp | 9/10 | 5516 days | 23% |
| Max Van der Zalm | 9/10 | 5516 days | 23% |
| Emily Walters | 7/10 | 5518 days | 21% |
| Brett Oz | 9/10 | 5551 days | 23% |
| greenbex | 9/10 | 5551 days | 23% |
| simonbo | 3/10 | 5566 days | 9% |
| katesc | 9/10 | 5571 days | 23% |
| martint | 6/10 | 5575 days | 19% |
| richelle | 7/10 | 5575 days | 21% |
| rosalindm | 8/10 | 5576 days | 23% |
| katepat | 8/10 | 5582 days | 23% |
| Beau | 5/10 | 5582 days | 16% |
| Debbie Rathbone | 10/10 | 5589 days | 23% |
| Ricarda | 3/10 | 5592 days | 9% |
| Malinka Nuefeld | 4/10 | 5592 days | 12% |
| Martin | 9/10 | 5592 days | 23% |
| Thomas Willi | 8/10 | 5592 days | 23% |
| Jess Pasos | 9/10 | 5601 days | 23% |
| stettim | 10/10 | 5643 days | 23% |
| Philipp | 9/10 | 5643 days | 23% |
| Holly Mrowiec | 10/10 | 5673 days | 23% |
| Sophie Keate | 10/10 | 5710 days | 23% |
| Sam Lightfoot | 10/10 | 5710 days | 23% |
| Jenny Lee | 7/10 | 5732 days | 21% |
| Cat Payne | 9/10 | 5739 days | 23% |
| Catherine Smiles | 10/10 | 5740 days | 23% |
| Nikki Turner | 9/10 | 5747 days | 23% |
| TaraD | 10/10 | 5824 days | 23% |
| BiancaA | 9/10 | 5824 days | 23% |
| hibbler | 10/10 | 5826 days | 23% |
| ferdinande | 7/10 | 5827 days | 21% |
| mariea | 8/10 | 5838 days | 23% |
| JennekeK | 6/10 | 5838 days | 19% |
| Ross | 5/10 | 5840 days | 16% |
| MarielR | 7/10 | 5844 days | 21% |
| NikW | 8/10 | 5844 days | 23% |
| Anna Skeer | 9/10 | 5867 days | 23% |
| EmmaB1 | 8/10 | 5872 days | 23% |
| BethanD | 9/10 | 5873 days | 23% |
| renanf | 8/10 | 5877 days | 23% |
| Laura Muser | 9/10 | 5884 days | 23% |
| Alan Gallagher | 7/10 | 5885 days | 21% |
| Ellen Perrin | 9/10 | 5885 days | 23% |
| Julia | 7/10 | 5888 days | 21% |
| Philipp | 10/10 | 5890 days | 23% |
| Marieke | 3/10 | 5892 days | 9% |
| Katie | 10/10 | 5895 days | 23% |
| Ann-Kathren | 7/10 | 5898 days | 21% |
| Sonja | 8/10 | 5930 days | 23% |
| Claudia Schmidt | 9/10 | 5942 days | 23% |
| sylvia | 8/10 | 5947 days | 23% |
| Amy Newton | 10/10 | 5950 days | 23% |
| debsnz | 10/10 | 5963 days | 23% |
| Nicole | 3/10 | 5972 days | 9% |
| Spike | 7/10 | 6032 days | 21% |
| Sam Prior | 8/10 | 6041 days | 23% |
| Marco | 7/10 | 6065 days | 21% |
| Meike Biel | 8/10 | 6176 days | 23% |
| Helen | 8/10 | 6176 days | 23% |
| Mark | 7/10 | 6196 days | 21% |
| Julie | 5/10 | 6206 days | 16% |
| Marlo | 7/10 | 6213 days | 21% |
| Simon Mills | 8/10 | 6223 days | 23% |
| Sayaka | 4/10 | 6238 days | 12% |
| Camille | 10/10 | 6239 days | 23% |
| Anders | 9/10 | 6239 days | 23% |
| Laura | 8/10 | 6262 days | 23% |
| Ian | 7/10 | 6266 days | 21% |
| Carole Roccia | 6/10 | 6267 days | 19% |
| Thierry Berdah | 8/10 | 6269 days | 23% |
| Helena | 8/10 | 6269 days | 23% |
| Peter Katafey | 6/10 | 6269 days | 19% |
| Lindsey Woosnam | 5/10 | 6269 days | 16% |
| Katherine | 7/10 | 6272 days | 21% |
| Fred | 6/10 | 6273 days | 19% |
| Rob | 5/10 | 6273 days | 16% |
| Gav | 10/10 | 6273 days | 23% |
| Tom Anson | 8/10 | 6274 days | 23% |
| Paul Cowie | 10/10 | 6301 days | 23% |
| Jim | 8/10 | 6310 days | 23% |
| Willemien | 7/10 | 6318 days | 21% |
| Helen | 8/10 | 6544 days | 23% |
| David | 5/10 | 6547 days | 16% |
| Stefan | 7/10 | 6547 days | 21% |
| Gwen | 8/10 | 6550 days | 23% |
| Hanneke | 8/10 | 6554 days | 23% |
| Matt | 7/10 | 6554 days | 21% |
| Alex | 8/10 | 6554 days | 23% |
| Johnny | 8/10 | 6554 days | 23% |
| Aaron | 9/10 | 6554 days | 23% |
| Hilary | 10/10 | 6563 days | 23% |
| Nina | 8/10 | 6598 days | 23% |
| Italy | 9/10 | 6598 days | 23% |
| Helle | 7/10 | 6598 days | 21% |
| KikiNelissen | 7/10 | 6604 days | 21% |
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 Stray experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-4.00% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 57 days. However the Stray 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 Stray experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.94% |
| 198 | -3.96% |
| 199 | -3.98% |
| 200 | -4.00% |
| 201 | -4.02% |
| 202 | -4.04% |
| 203 | -4.06% |
| … | … |
Balancing Adjustment
2.85% 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
83%
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.