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
84.30%
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 | 2718 days | 100% |
| Tom C | 10/10 | 3509 days | 60% |
| Jodie | 10/10 | 3509 days | 60% |
| Paul | 10/10 | 3509 days | 60% |
| Christin Ossege | 10/10 | 3631 days | 52% |
| Theodore Trozinski | 9/10 | 3691 days | 47% |
| Phil Hartmann | 10/10 | 3844 days | 37% |
| dana forrest | 10/10 | 3936 days | 30% |
| Abbi Smith | 10/10 | 3997 days | 26% |
| Nicko Wong | 10/10 | 4028 days | 24% |
| Jodine | 10/10 | 4056 days | 22% |
| Samuel Berwick | 10/10 | 4056 days | 22% |
| Amy Jellings | 10/10 | 4148 days | 15% |
| Anna Elden | 9/10 | 4148 days | 15% |
| Andrea Leichtl | 10/10 | 4362 days | 0% |
| Johanna Molenaar | 7/10 | 4362 days | 0% |
| Claudia Bauch | 3/10 | 4391 days | 18% |
| Charlotte Wilson | 10/10 | 4393 days | 35% |
| Chris Luebbi | 8/10 | 4393 days | 34% |
| jason beinstein | 9/10 | 4421 days | 35% |
| discoveringaway | 9/10 | 4421 days | 35% |
| ieva m | 8/10 | 4452 days | 34% |
| Sonia | 10/10 | 4452 days | 35% |
| Zsolt | 10/10 | 4452 days | 35% |
| Victoria Wander | 10/10 | 4452 days | 35% |
| TtotheT13 | 9/10 | 4483 days | 35% |
| Kim O'Neill | 10/10 | 4513 days | 35% |
| Maia Kazaks | 8/10 | 4513 days | 34% |
| Colette Keely | 10/10 | 4544 days | 35% |
| Jen Hards | 10/10 | 4574 days | 35% |
| Thomas Jones | 10/10 | 4605 days | 35% |
| Raj Singh | 10/10 | 4605 days | 35% |
| Sohie | 9/10 | 4763 days | 35% |
| Robin Andersson | 9/10 | 4786 days | 35% |
| Megan Gallagher | 10/10 | 4817 days | 35% |
| Andy Brown | 10/10 | 4817 days | 35% |
| Vinnie K | 10/10 | 4878 days | 35% |
| Heather_Oz | 9/10 | 4939 days | 35% |
| luciasolda | 10/10 | 5001 days | 35% |
| jennyj | 10/10 | 5031 days | 35% |
| dwehrtmann | 9/10 | 5062 days | 35% |
| Evaislief | 10/10 | 5092 days | 35% |
| Malena | 10/10 | 5123 days | 35% |
| navilink | 10/10 | 5123 days | 35% |
| meganb04 | 10/10 | 5123 days | 35% |
| MaryG | 10/10 | 5123 days | 35% |
| JoPycroft | 10/10 | 5123 days | 35% |
| lovebyname | 9/10 | 5123 days | 35% |
| Sonia Sennane | 7/10 | 5124 days | 32% |
| Tamara McVey | 7/10 | 5135 days | 32% |
| Rachel | 7/10 | 5137 days | 32% |
| Danielle & Jobbe | 8/10 | 5137 days | 34% |
| Andy Bridgman | 8/10 | 5137 days | 34% |
| Fiona Finke | 6/10 | 5143 days | 30% |
| Miron & Hendrik | 8/10 | 5147 days | 34% |
| marielou | 10/10 | 5152 days | 35% |
| iainmcgin | 10/10 | 5152 days | 35% |
| redkeels | 10/10 | 5152 days | 35% |
| lulu | 6/10 | 5183 days | 30% |
| Boogie | 5/10 | 5214 days | 26% |
| isha | 9/10 | 5214 days | 35% |
| pepper | 9/10 | 5244 days | 35% |
| Kez | 10/10 | 5275 days | 35% |
| Brilly01 | 8/10 | 5275 days | 34% |
| yens123 | 9/10 | 5275 days | 35% |
| louiset | 9/10 | 5275 days | 35% |
| siek09 | 9/10 | 5305 days | 35% |
| rosey | 10/10 | 5336 days | 35% |
| Cadz | 10/10 | 5336 days | 35% |
| natalietrueman84 | 10/10 | 5367 days | 35% |
| Josie | 10/10 | 5367 days | 35% |
| Scott_and_Stephanie | 9/10 | 5458 days | 35% |
| Samantha | 10/10 | 5458 days | 35% |
| Tracey Airiscough | 9/10 | 5480 days | 35% |
| Vanessa Hanzen | 4/10 | 5481 days | 22% |
| Lauren McKeone | 7/10 | 5487 days | 32% |
| Faye Cox | 7/10 | 5487 days | 32% |
| pudddddin | 9/10 | 5489 days | 35% |
| alicevarren | 9/10 | 5489 days | 35% |
| irisheyes | 7/10 | 5489 days | 32% |
| Steff | 7/10 | 5509 days | 32% |
| Forestal Youri | 7/10 | 5509 days | 32% |
| Amanda Craig | 8/10 | 5511 days | 34% |
| Olle Beide | 8/10 | 5517 days | 34% |
| JonathanMills | 8/10 | 5517 days | 34% |
| lisa | 9/10 | 5548 days | 35% |
| phydough | 6/10 | 5579 days | 30% |
| zippy | 10/10 | 5670 days | 35% |
| TerriH | 10/10 | 5701 days | 35% |
| ciara | 10/10 | 5732 days | 35% |
| mel1407 | 10/10 | 5732 days | 35% |
| Claram | 9/10 | 5762 days | 35% |
| joycevanb | 7/10 | 5793 days | 32% |
| JohnG | 10/10 | 5793 days | 35% |
| nicolejr413 | 9/10 | 5823 days | 35% |
| Antoine Migault | 8/10 | 5844 days | 34% |
| Christine T | 7/10 | 5848 days | 32% |
| Kay Beaumont | 8/10 | 5856 days | 34% |
| Johan | 7/10 | 5856 days | 32% |
| S Millet | 9/10 | 5860 days | 35% |
| Jens van Evp | 9/10 | 5878 days | 35% |
| Max Van der Zalm | 9/10 | 5878 days | 35% |
| Emily Walters | 7/10 | 5880 days | 32% |
| Brett Oz | 9/10 | 5913 days | 35% |
| greenbex | 9/10 | 5913 days | 35% |
| simonbo | 3/10 | 5928 days | 18% |
| katesc | 9/10 | 5933 days | 35% |
| martint | 6/10 | 5937 days | 30% |
| richelle | 7/10 | 5937 days | 32% |
| rosalindm | 8/10 | 5938 days | 34% |
| katepat | 8/10 | 5944 days | 34% |
| Beau | 5/10 | 5944 days | 26% |
| Debbie Rathbone | 10/10 | 5951 days | 35% |
| Ricarda | 3/10 | 5954 days | 18% |
| Malinka Nuefeld | 4/10 | 5954 days | 22% |
| Martin | 9/10 | 5954 days | 35% |
| Thomas Willi | 8/10 | 5954 days | 34% |
| Jess Pasos | 9/10 | 5963 days | 35% |
| stettim | 10/10 | 6005 days | 35% |
| Philipp | 9/10 | 6005 days | 35% |
| Holly Mrowiec | 10/10 | 6035 days | 35% |
| Sophie Keate | 10/10 | 6072 days | 35% |
| Sam Lightfoot | 10/10 | 6072 days | 35% |
| Jenny Lee | 7/10 | 6094 days | 32% |
| Cat Payne | 9/10 | 6101 days | 35% |
| Catherine Smiles | 10/10 | 6102 days | 35% |
| Nikki Turner | 9/10 | 6109 days | 35% |
| TaraD | 10/10 | 6186 days | 35% |
| BiancaA | 9/10 | 6186 days | 35% |
| hibbler | 10/10 | 6188 days | 35% |
| ferdinande | 7/10 | 6190 days | 32% |
| mariea | 8/10 | 6200 days | 34% |
| JennekeK | 6/10 | 6200 days | 30% |
| Ross | 5/10 | 6202 days | 26% |
| MarielR | 7/10 | 6206 days | 32% |
| NikW | 8/10 | 6206 days | 34% |
| Anna Skeer | 9/10 | 6229 days | 35% |
| EmmaB1 | 8/10 | 6234 days | 34% |
| BethanD | 9/10 | 6235 days | 35% |
| renanf | 8/10 | 6239 days | 34% |
| Laura Muser | 9/10 | 6247 days | 35% |
| Alan Gallagher | 7/10 | 6247 days | 32% |
| Ellen Perrin | 9/10 | 6247 days | 35% |
| Julia | 7/10 | 6250 days | 32% |
| Philipp | 10/10 | 6253 days | 35% |
| Marieke | 3/10 | 6254 days | 18% |
| Katie | 10/10 | 6257 days | 35% |
| Ann-Kathren | 7/10 | 6260 days | 32% |
| Sonja | 8/10 | 6293 days | 34% |
| Claudia Schmidt | 9/10 | 6305 days | 35% |
| sylvia | 8/10 | 6310 days | 34% |
| Amy Newton | 10/10 | 6313 days | 35% |
| debsnz | 10/10 | 6326 days | 35% |
| Nicole | 3/10 | 6335 days | 18% |
| Spike | 7/10 | 6395 days | 32% |
| Sam Prior | 8/10 | 6404 days | 34% |
| Marco | 7/10 | 6428 days | 32% |
| Meike Biel | 8/10 | 6538 days | 34% |
| Helen | 8/10 | 6538 days | 34% |
| Mark | 7/10 | 6558 days | 32% |
| Julie | 5/10 | 6568 days | 26% |
| Marlo | 7/10 | 6575 days | 32% |
| Simon Mills | 8/10 | 6585 days | 34% |
| Sayaka | 4/10 | 6600 days | 22% |
| Camille | 10/10 | 6601 days | 35% |
| Anders | 9/10 | 6601 days | 35% |
| Laura | 8/10 | 6624 days | 34% |
| Ian | 7/10 | 6628 days | 32% |
| Carole Roccia | 6/10 | 6629 days | 30% |
| Thierry Berdah | 8/10 | 6631 days | 34% |
| Helena | 8/10 | 6631 days | 34% |
| Peter Katafey | 6/10 | 6631 days | 30% |
| Lindsey Woosnam | 5/10 | 6631 days | 26% |
| Katherine | 7/10 | 6634 days | 32% |
| Fred | 6/10 | 6635 days | 30% |
| Rob | 5/10 | 6635 days | 26% |
| Gav | 10/10 | 6635 days | 35% |
| Tom Anson | 8/10 | 6636 days | 34% |
| Paul Cowie | 10/10 | 6663 days | 35% |
| Jim | 8/10 | 6672 days | 34% |
| Willemien | 7/10 | 6680 days | 32% |
| Helen | 8/10 | 6906 days | 34% |
| David | 5/10 | 6909 days | 26% |
| Stefan | 7/10 | 6909 days | 32% |
| Gwen | 8/10 | 6912 days | 34% |
| Hanneke | 8/10 | 6916 days | 34% |
| Matt | 7/10 | 6916 days | 32% |
| Alex | 8/10 | 6916 days | 34% |
| Johnny | 8/10 | 6916 days | 34% |
| Aaron | 9/10 | 6916 days | 35% |
| Hilary | 10/10 | 6925 days | 35% |
| Nina | 8/10 | 6960 days | 34% |
| Italy | 9/10 | 6960 days | 35% |
| Helle | 7/10 | 6960 days | 32% |
| KikiNelissen | 7/10 | 6966 days | 32% |
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
-4.03% 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 | -3.97% |
| 198 | -3.99% |
| 199 | -4.01% |
| 200 | -4.03% |
| 201 | -4.05% |
| 202 | -4.07% |
| 203 | -4.09% |
| … | … |
Balancing Adjustment
2.93% 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.