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.
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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
84.49%
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 | 2379 days | 100% |
| Tom C | 10/10 | 3170 days | 68% |
| Jodie | 10/10 | 3170 days | 68% |
| Paul | 10/10 | 3170 days | 68% |
| Christin Ossege | 10/10 | 3292 days | 61% |
| Theodore Trozinski | 9/10 | 3352 days | 56% |
| Phil Hartmann | 10/10 | 3505 days | 47% |
| dana forrest | 10/10 | 3597 days | 42% |
| Abbi Smith | 10/10 | 3658 days | 38% |
| Nicko Wong | 10/10 | 3689 days | 36% |
| Jodine | 10/10 | 3717 days | 34% |
| Samuel Berwick | 10/10 | 3717 days | 34% |
| Amy Jellings | 10/10 | 3809 days | 28% |
| Anna Elden | 9/10 | 3809 days | 28% |
| Andrea Leichtl | 10/10 | 4023 days | 15% |
| Johanna Molenaar | 7/10 | 4023 days | 14% |
| Claudia Bauch | 3/10 | 4052 days | 4% |
| Charlotte Wilson | 10/10 | 4054 days | 13% |
| Chris Luebbi | 8/10 | 4054 days | 13% |
| jason beinstein | 9/10 | 4082 days | 11% |
| discoveringaway | 9/10 | 4082 days | 11% |
| ieva m | 8/10 | 4113 days | 9% |
| Sonia | 10/10 | 4113 days | 10% |
| Zsolt | 10/10 | 4113 days | 10% |
| Victoria Wander | 10/10 | 4113 days | 10% |
| TtotheT13 | 9/10 | 4144 days | 7% |
| Kim O'Neill | 10/10 | 4174 days | 6% |
| Maia Kazaks | 8/10 | 4174 days | 5% |
| Colette Keely | 10/10 | 4205 days | 4% |
| Jen Hards | 10/10 | 4235 days | 2% |
| Thomas Jones | 10/10 | 4266 days | 0% |
| Raj Singh | 10/10 | 4266 days | 0% |
| Sohie | 9/10 | 4424 days | 24% |
| Robin Andersson | 9/10 | 4447 days | 24% |
| Megan Gallagher | 10/10 | 4478 days | 25% |
| Andy Brown | 10/10 | 4478 days | 25% |
| Vinnie K | 10/10 | 4539 days | 25% |
| Heather_Oz | 9/10 | 4600 days | 24% |
| luciasolda | 10/10 | 4662 days | 25% |
| jennyj | 10/10 | 4692 days | 25% |
| dwehrtmann | 9/10 | 4723 days | 24% |
| Evaislief | 10/10 | 4753 days | 25% |
| Malena | 10/10 | 4784 days | 25% |
| navilink | 10/10 | 4784 days | 25% |
| meganb04 | 10/10 | 4784 days | 25% |
| MaryG | 10/10 | 4784 days | 25% |
| JoPycroft | 10/10 | 4784 days | 25% |
| lovebyname | 9/10 | 4784 days | 24% |
| Sonia Sennane | 7/10 | 4785 days | 22% |
| Tamara McVey | 7/10 | 4796 days | 22% |
| Rachel | 7/10 | 4798 days | 22% |
| Danielle & Jobbe | 8/10 | 4798 days | 24% |
| Andy Bridgman | 8/10 | 4798 days | 24% |
| Fiona Finke | 6/10 | 4804 days | 20% |
| Miron & Hendrik | 8/10 | 4808 days | 24% |
| marielou | 10/10 | 4813 days | 25% |
| iainmcgin | 10/10 | 4813 days | 25% |
| redkeels | 10/10 | 4813 days | 25% |
| lulu | 6/10 | 4844 days | 20% |
| Boogie | 5/10 | 4875 days | 17% |
| isha | 9/10 | 4875 days | 24% |
| pepper | 9/10 | 4905 days | 24% |
| Kez | 10/10 | 4936 days | 25% |
| Brilly01 | 8/10 | 4936 days | 24% |
| yens123 | 9/10 | 4936 days | 24% |
| louiset | 9/10 | 4936 days | 24% |
| siek09 | 9/10 | 4966 days | 24% |
| rosey | 10/10 | 4997 days | 25% |
| Cadz | 10/10 | 4997 days | 25% |
| natalietrueman84 | 10/10 | 5028 days | 25% |
| Josie | 10/10 | 5028 days | 25% |
| Scott_and_Stephanie | 9/10 | 5119 days | 24% |
| Samantha | 10/10 | 5119 days | 25% |
| Tracey Airiscough | 9/10 | 5141 days | 24% |
| Vanessa Hanzen | 4/10 | 5142 days | 14% |
| Lauren McKeone | 7/10 | 5148 days | 22% |
| Faye Cox | 7/10 | 5148 days | 22% |
| pudddddin | 9/10 | 5150 days | 24% |
| alicevarren | 9/10 | 5150 days | 24% |
| irisheyes | 7/10 | 5150 days | 22% |
| Steff | 7/10 | 5170 days | 22% |
| Forestal Youri | 7/10 | 5170 days | 22% |
| Amanda Craig | 8/10 | 5172 days | 24% |
| Olle Beide | 8/10 | 5178 days | 24% |
| JonathanMills | 8/10 | 5178 days | 24% |
| lisa | 9/10 | 5209 days | 24% |
| phydough | 6/10 | 5240 days | 20% |
| zippy | 10/10 | 5331 days | 25% |
| TerriH | 10/10 | 5362 days | 25% |
| ciara | 10/10 | 5393 days | 25% |
| mel1407 | 10/10 | 5393 days | 25% |
| Claram | 9/10 | 5423 days | 24% |
| joycevanb | 7/10 | 5454 days | 22% |
| JohnG | 10/10 | 5454 days | 25% |
| nicolejr413 | 9/10 | 5484 days | 24% |
| Antoine Migault | 8/10 | 5505 days | 24% |
| Christine T | 7/10 | 5509 days | 22% |
| Kay Beaumont | 8/10 | 5517 days | 24% |
| Johan | 7/10 | 5517 days | 22% |
| S Millet | 9/10 | 5521 days | 24% |
| Jens van Evp | 9/10 | 5539 days | 24% |
| Max Van der Zalm | 9/10 | 5539 days | 24% |
| Emily Walters | 7/10 | 5541 days | 22% |
| Brett Oz | 9/10 | 5574 days | 24% |
| greenbex | 9/10 | 5574 days | 24% |
| simonbo | 3/10 | 5589 days | 10% |
| katesc | 9/10 | 5594 days | 24% |
| martint | 6/10 | 5598 days | 20% |
| richelle | 7/10 | 5598 days | 22% |
| rosalindm | 8/10 | 5599 days | 24% |
| katepat | 8/10 | 5605 days | 24% |
| Beau | 5/10 | 5605 days | 17% |
| Debbie Rathbone | 10/10 | 5612 days | 25% |
| Ricarda | 3/10 | 5615 days | 10% |
| Malinka Nuefeld | 4/10 | 5615 days | 14% |
| Martin | 9/10 | 5615 days | 24% |
| Thomas Willi | 8/10 | 5615 days | 24% |
| Jess Pasos | 9/10 | 5624 days | 24% |
| stettim | 10/10 | 5666 days | 25% |
| Philipp | 9/10 | 5666 days | 24% |
| Holly Mrowiec | 10/10 | 5696 days | 25% |
| Sophie Keate | 10/10 | 5733 days | 25% |
| Sam Lightfoot | 10/10 | 5733 days | 25% |
| Jenny Lee | 7/10 | 5755 days | 22% |
| Cat Payne | 9/10 | 5762 days | 24% |
| Catherine Smiles | 10/10 | 5763 days | 25% |
| Nikki Turner | 9/10 | 5770 days | 24% |
| TaraD | 10/10 | 5847 days | 25% |
| BiancaA | 9/10 | 5847 days | 24% |
| hibbler | 10/10 | 5849 days | 25% |
| ferdinande | 7/10 | 5851 days | 22% |
| mariea | 8/10 | 5861 days | 24% |
| JennekeK | 6/10 | 5861 days | 20% |
| Ross | 5/10 | 5864 days | 17% |
| MarielR | 7/10 | 5867 days | 22% |
| NikW | 8/10 | 5867 days | 24% |
| Anna Skeer | 9/10 | 5891 days | 24% |
| EmmaB1 | 8/10 | 5895 days | 24% |
| BethanD | 9/10 | 5896 days | 24% |
| renanf | 8/10 | 5900 days | 24% |
| Laura Muser | 9/10 | 5908 days | 24% |
| Alan Gallagher | 7/10 | 5908 days | 22% |
| Ellen Perrin | 9/10 | 5908 days | 24% |
| Julia | 7/10 | 5912 days | 22% |
| Philipp | 10/10 | 5914 days | 25% |
| Marieke | 3/10 | 5915 days | 10% |
| Katie | 10/10 | 5918 days | 25% |
| Ann-Kathren | 7/10 | 5922 days | 22% |
| Sonja | 8/10 | 5954 days | 24% |
| Claudia Schmidt | 9/10 | 5966 days | 24% |
| sylvia | 8/10 | 5971 days | 24% |
| Amy Newton | 10/10 | 5974 days | 25% |
| debsnz | 10/10 | 5987 days | 25% |
| Nicole | 3/10 | 5996 days | 10% |
| Spike | 7/10 | 6056 days | 22% |
| Sam Prior | 8/10 | 6065 days | 24% |
| Marco | 7/10 | 6089 days | 22% |
| Meike Biel | 8/10 | 6199 days | 24% |
| Helen | 8/10 | 6199 days | 24% |
| Mark | 7/10 | 6219 days | 22% |
| Julie | 5/10 | 6229 days | 17% |
| Marlo | 7/10 | 6236 days | 22% |
| Simon Mills | 8/10 | 6246 days | 24% |
| Sayaka | 4/10 | 6261 days | 14% |
| Camille | 10/10 | 6262 days | 25% |
| Anders | 9/10 | 6262 days | 24% |
| Laura | 8/10 | 6285 days | 24% |
| Ian | 7/10 | 6289 days | 22% |
| Carole Roccia | 6/10 | 6290 days | 20% |
| Thierry Berdah | 8/10 | 6292 days | 24% |
| Helena | 8/10 | 6292 days | 24% |
| Peter Katafey | 6/10 | 6292 days | 20% |
| Lindsey Woosnam | 5/10 | 6292 days | 17% |
| Katherine | 7/10 | 6295 days | 22% |
| Fred | 6/10 | 6296 days | 20% |
| Rob | 5/10 | 6296 days | 17% |
| Gav | 10/10 | 6296 days | 25% |
| Tom Anson | 8/10 | 6297 days | 24% |
| Paul Cowie | 10/10 | 6324 days | 25% |
| Jim | 8/10 | 6333 days | 24% |
| Willemien | 7/10 | 6341 days | 22% |
| Helen | 8/10 | 6567 days | 24% |
| David | 5/10 | 6570 days | 17% |
| Stefan | 7/10 | 6570 days | 22% |
| Gwen | 8/10 | 6573 days | 24% |
| Hanneke | 8/10 | 6577 days | 24% |
| Matt | 7/10 | 6577 days | 22% |
| Alex | 8/10 | 6577 days | 24% |
| Johnny | 8/10 | 6577 days | 24% |
| Aaron | 9/10 | 6577 days | 24% |
| Hilary | 10/10 | 6586 days | 25% |
| Nina | 8/10 | 6621 days | 24% |
| Italy | 9/10 | 6621 days | 24% |
| Helle | 7/10 | 6621 days | 22% |
| KikiNelissen | 7/10 | 6627 days | 22% |
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
-3.64% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 61 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 | -3.59% |
| 198 | -3.61% |
| 199 | -3.63% |
| 200 | -3.64% |
| 201 | -3.66% |
| 202 | -3.68% |
| 203 | -3.70% |
| … | … |
Balancing Adjustment
2.77% 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
84%
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.