G'day, 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
84.27%
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 | 2622 days | 100% |
| Tom C | 10/10 | 3413 days | 63% |
| Jodie | 10/10 | 3413 days | 63% |
| Paul | 10/10 | 3413 days | 63% |
| Christin Ossege | 10/10 | 3535 days | 55% |
| Theodore Trozinski | 9/10 | 3595 days | 51% |
| Phil Hartmann | 10/10 | 3748 days | 41% |
| dana forrest | 10/10 | 3840 days | 35% |
| Abbi Smith | 10/10 | 3901 days | 31% |
| Nicko Wong | 10/10 | 3932 days | 28% |
| Jodine | 10/10 | 3960 days | 27% |
| Samuel Berwick | 10/10 | 3960 days | 27% |
| Amy Jellings | 10/10 | 4052 days | 20% |
| Anna Elden | 9/10 | 4052 days | 20% |
| Andrea Leichtl | 10/10 | 4266 days | 6% |
| Johanna Molenaar | 7/10 | 4266 days | 6% |
| Claudia Bauch | 3/10 | 4295 days | 2% |
| Charlotte Wilson | 10/10 | 4297 days | 4% |
| Chris Luebbi | 8/10 | 4297 days | 4% |
| jason beinstein | 9/10 | 4325 days | 2% |
| discoveringaway | 9/10 | 4325 days | 2% |
| ieva m | 8/10 | 4356 days | 0% |
| Sonia | 10/10 | 4356 days | 0% |
| Zsolt | 10/10 | 4356 days | 0% |
| Victoria Wander | 10/10 | 4356 days | 0% |
| TtotheT13 | 9/10 | 4387 days | 32% |
| Kim O'Neill | 10/10 | 4417 days | 33% |
| Maia Kazaks | 8/10 | 4417 days | 32% |
| Colette Keely | 10/10 | 4448 days | 33% |
| Jen Hards | 10/10 | 4478 days | 33% |
| Thomas Jones | 10/10 | 4509 days | 33% |
| Raj Singh | 10/10 | 4509 days | 33% |
| Sohie | 9/10 | 4667 days | 32% |
| Robin Andersson | 9/10 | 4690 days | 32% |
| Megan Gallagher | 10/10 | 4721 days | 33% |
| Andy Brown | 10/10 | 4721 days | 33% |
| Vinnie K | 10/10 | 4782 days | 33% |
| Heather_Oz | 9/10 | 4843 days | 32% |
| luciasolda | 10/10 | 4905 days | 33% |
| jennyj | 10/10 | 4935 days | 33% |
| dwehrtmann | 9/10 | 4966 days | 32% |
| Evaislief | 10/10 | 4996 days | 33% |
| Malena | 10/10 | 5027 days | 33% |
| navilink | 10/10 | 5027 days | 33% |
| meganb04 | 10/10 | 5027 days | 33% |
| MaryG | 10/10 | 5027 days | 33% |
| JoPycroft | 10/10 | 5027 days | 33% |
| lovebyname | 9/10 | 5027 days | 32% |
| Sonia Sennane | 7/10 | 5028 days | 30% |
| Tamara McVey | 7/10 | 5039 days | 30% |
| Rachel | 7/10 | 5041 days | 30% |
| Danielle & Jobbe | 8/10 | 5041 days | 32% |
| Andy Bridgman | 8/10 | 5041 days | 32% |
| Fiona Finke | 6/10 | 5047 days | 28% |
| Miron & Hendrik | 8/10 | 5051 days | 32% |
| marielou | 10/10 | 5056 days | 33% |
| iainmcgin | 10/10 | 5056 days | 33% |
| redkeels | 10/10 | 5056 days | 33% |
| lulu | 6/10 | 5087 days | 28% |
| Boogie | 5/10 | 5118 days | 25% |
| isha | 9/10 | 5118 days | 32% |
| pepper | 9/10 | 5148 days | 32% |
| Kez | 10/10 | 5179 days | 33% |
| Brilly01 | 8/10 | 5179 days | 32% |
| yens123 | 9/10 | 5179 days | 32% |
| louiset | 9/10 | 5179 days | 32% |
| siek09 | 9/10 | 5209 days | 32% |
| rosey | 10/10 | 5240 days | 33% |
| Cadz | 10/10 | 5240 days | 33% |
| natalietrueman84 | 10/10 | 5271 days | 33% |
| Josie | 10/10 | 5271 days | 33% |
| Scott_and_Stephanie | 9/10 | 5362 days | 32% |
| Samantha | 10/10 | 5362 days | 33% |
| Tracey Airiscough | 9/10 | 5384 days | 32% |
| Vanessa Hanzen | 4/10 | 5385 days | 21% |
| Lauren McKeone | 7/10 | 5391 days | 30% |
| Faye Cox | 7/10 | 5391 days | 30% |
| pudddddin | 9/10 | 5393 days | 32% |
| alicevarren | 9/10 | 5393 days | 32% |
| irisheyes | 7/10 | 5393 days | 30% |
| Steff | 7/10 | 5413 days | 30% |
| Forestal Youri | 7/10 | 5413 days | 30% |
| Amanda Craig | 8/10 | 5415 days | 32% |
| Olle Beide | 8/10 | 5421 days | 32% |
| JonathanMills | 8/10 | 5421 days | 32% |
| lisa | 9/10 | 5452 days | 32% |
| phydough | 6/10 | 5483 days | 28% |
| zippy | 10/10 | 5574 days | 33% |
| TerriH | 10/10 | 5605 days | 33% |
| ciara | 10/10 | 5636 days | 33% |
| mel1407 | 10/10 | 5636 days | 33% |
| Claram | 9/10 | 5666 days | 32% |
| joycevanb | 7/10 | 5697 days | 30% |
| JohnG | 10/10 | 5697 days | 33% |
| nicolejr413 | 9/10 | 5727 days | 32% |
| Antoine Migault | 8/10 | 5748 days | 32% |
| Christine T | 7/10 | 5752 days | 30% |
| Kay Beaumont | 8/10 | 5760 days | 32% |
| Johan | 7/10 | 5760 days | 30% |
| S Millet | 9/10 | 5764 days | 32% |
| Jens van Evp | 9/10 | 5782 days | 32% |
| Max Van der Zalm | 9/10 | 5782 days | 32% |
| Emily Walters | 7/10 | 5784 days | 30% |
| Brett Oz | 9/10 | 5817 days | 32% |
| greenbex | 9/10 | 5817 days | 32% |
| simonbo | 3/10 | 5832 days | 17% |
| katesc | 9/10 | 5837 days | 32% |
| martint | 6/10 | 5841 days | 28% |
| richelle | 7/10 | 5841 days | 30% |
| rosalindm | 8/10 | 5842 days | 32% |
| katepat | 8/10 | 5848 days | 32% |
| Beau | 5/10 | 5848 days | 25% |
| Debbie Rathbone | 10/10 | 5855 days | 33% |
| Ricarda | 3/10 | 5858 days | 17% |
| Malinka Nuefeld | 4/10 | 5858 days | 21% |
| Martin | 9/10 | 5858 days | 32% |
| Thomas Willi | 8/10 | 5858 days | 32% |
| Jess Pasos | 9/10 | 5867 days | 32% |
| stettim | 10/10 | 5909 days | 33% |
| Philipp | 9/10 | 5909 days | 32% |
| Holly Mrowiec | 10/10 | 5939 days | 33% |
| Sophie Keate | 10/10 | 5976 days | 33% |
| Sam Lightfoot | 10/10 | 5976 days | 33% |
| Jenny Lee | 7/10 | 5998 days | 30% |
| Cat Payne | 9/10 | 6005 days | 32% |
| Catherine Smiles | 10/10 | 6006 days | 33% |
| Nikki Turner | 9/10 | 6013 days | 32% |
| TaraD | 10/10 | 6090 days | 33% |
| BiancaA | 9/10 | 6090 days | 32% |
| hibbler | 10/10 | 6092 days | 33% |
| ferdinande | 7/10 | 6094 days | 30% |
| mariea | 8/10 | 6104 days | 32% |
| JennekeK | 6/10 | 6104 days | 28% |
| Ross | 5/10 | 6107 days | 25% |
| MarielR | 7/10 | 6110 days | 30% |
| NikW | 8/10 | 6110 days | 32% |
| Anna Skeer | 9/10 | 6134 days | 32% |
| EmmaB1 | 8/10 | 6138 days | 32% |
| BethanD | 9/10 | 6139 days | 32% |
| renanf | 8/10 | 6143 days | 32% |
| Laura Muser | 9/10 | 6151 days | 32% |
| Alan Gallagher | 7/10 | 6151 days | 30% |
| Ellen Perrin | 9/10 | 6151 days | 32% |
| Julia | 7/10 | 6155 days | 30% |
| Philipp | 10/10 | 6157 days | 33% |
| Marieke | 3/10 | 6158 days | 17% |
| Katie | 10/10 | 6161 days | 33% |
| Ann-Kathren | 7/10 | 6165 days | 30% |
| Sonja | 8/10 | 6197 days | 32% |
| Claudia Schmidt | 9/10 | 6209 days | 32% |
| sylvia | 8/10 | 6214 days | 32% |
| Amy Newton | 10/10 | 6217 days | 33% |
| debsnz | 10/10 | 6230 days | 33% |
| Nicole | 3/10 | 6239 days | 17% |
| Spike | 7/10 | 6299 days | 30% |
| Sam Prior | 8/10 | 6308 days | 32% |
| Marco | 7/10 | 6332 days | 30% |
| Meike Biel | 8/10 | 6442 days | 32% |
| Helen | 8/10 | 6442 days | 32% |
| Mark | 7/10 | 6462 days | 30% |
| Julie | 5/10 | 6472 days | 25% |
| Marlo | 7/10 | 6479 days | 30% |
| Simon Mills | 8/10 | 6489 days | 32% |
| Sayaka | 4/10 | 6504 days | 21% |
| Camille | 10/10 | 6505 days | 33% |
| Anders | 9/10 | 6505 days | 32% |
| Laura | 8/10 | 6528 days | 32% |
| Ian | 7/10 | 6532 days | 30% |
| Carole Roccia | 6/10 | 6533 days | 28% |
| Thierry Berdah | 8/10 | 6535 days | 32% |
| Helena | 8/10 | 6535 days | 32% |
| Peter Katafey | 6/10 | 6535 days | 28% |
| Lindsey Woosnam | 5/10 | 6535 days | 25% |
| Katherine | 7/10 | 6538 days | 30% |
| Fred | 6/10 | 6539 days | 28% |
| Rob | 5/10 | 6539 days | 25% |
| Gav | 10/10 | 6539 days | 33% |
| Tom Anson | 8/10 | 6540 days | 32% |
| Paul Cowie | 10/10 | 6567 days | 33% |
| Jim | 8/10 | 6576 days | 32% |
| Willemien | 7/10 | 6584 days | 30% |
| Helen | 8/10 | 6810 days | 32% |
| David | 5/10 | 6813 days | 25% |
| Stefan | 7/10 | 6813 days | 30% |
| Gwen | 8/10 | 6816 days | 32% |
| Hanneke | 8/10 | 6820 days | 32% |
| Matt | 7/10 | 6820 days | 30% |
| Alex | 8/10 | 6820 days | 32% |
| Johnny | 8/10 | 6820 days | 32% |
| Aaron | 9/10 | 6820 days | 32% |
| Hilary | 10/10 | 6829 days | 33% |
| Nina | 8/10 | 6864 days | 32% |
| Italy | 9/10 | 6864 days | 32% |
| Helle | 7/10 | 6864 days | 30% |
| KikiNelissen | 7/10 | 6870 days | 30% |
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
-4.07% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 42 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 | -4.01% |
| 198 | -4.03% |
| 199 | -4.05% |
| 200 | -4.07% |
| 201 | -4.09% |
| 202 | -4.11% |
| 203 | -4.13% |
| … | … |
Balancing Adjustment
2.94% 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.