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 Kaitiaki Adventures Rafting and Sledging.
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.
Kaitiaki Adventures Rafting and Sledging
Valid Reviews
96 Valid Reviews
The Kaitiaki Adventures Rafting and Sledging experience has a total of 100 reviews. There are 96 valid reviews that are included when calculating the ranking score and 4 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 96 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 40 |
|
42% |
| 9/10 | 24 |
|
25% |
| 8/10 | 18 |
|
19% |
| 7/10 | 7 |
|
7% |
| 6/10 | 4 |
|
4% |
| 5/10 | 1 |
|
1% |
| 4/10 | 2 |
|
2% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
88.13% Average
The raw data average (mean) for all the Kaitiaki Adventures Rafting and Sledging valid reviews is 88.13% and is based on 96 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
71 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 96 valid reviews, the experience has 71 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 71 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 25 |
|
35% |
| 9/10 | 17 |
|
24% |
| 8/10 | 16 |
|
23% |
| 7/10 | 6 |
|
8% |
| 6/10 | 4 |
|
6% |
| 5/10 | 1 |
|
1% |
| 4/10 | 2 |
|
3% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
85.92% Average
The raw data average (mean) for all the Kaitiaki Adventures Rafting and Sledging face-to-face reviews is 85.92% and is based on 71 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
88.59%
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 |
|---|---|---|---|
| Alex Victor | 8/10 | 2853 days | 100% |
| Jessica Freeland | 9/10 | 2898 days | 98% |
| Jolien | 8/10 | 2901 days | 97% |
| Cathrin Wisgiekl | 8/10 | 3922 days | 26% |
| Marc Engstle | 5/10 | 3940 days | 18% |
| Matthias Freiling | 7/10 | 3944 days | 23% |
| Johannes | 7/10 | 3945 days | 23% |
| Josefina Tassone | 10/10 | 3967 days | 23% |
| Hendrik Schanz | 9/10 | 3970 days | 23% |
| Philip Gosemann | 9/10 | 3970 days | 23% |
| Jake Bell | 10/10 | 3977 days | 22% |
| Neele & Philipp | 9/10 | 4293 days | 0% |
| Laurits and Bettina | 8/10 | 4380 days | 29% |
| Curry | 10/10 | 4751 days | 30% |
| Craig Hathaway | 10/10 | 4982 days | 30% |
| Sarah James | 10/10 | 4982 days | 30% |
| Nicola Young | 6/10 | 4982 days | 25% |
| Isabell | 10/10 | 5002 days | 30% |
| Justin Pearce | 4/10 | 5018 days | 18% |
| tandysandhu | 10/10 | 5073 days | 30% |
| alexiap | 8/10 | 5104 days | 29% |
| TerriH | 10/10 | 5226 days | 30% |
| Marea | 9/10 | 5257 days | 30% |
| Pete & Judy McChesney | 10/10 | 5311 days | 30% |
| claireamanda | 9/10 | 5318 days | 30% |
| laurabridges | 10/10 | 5318 days | 30% |
| Ben Thomas | 10/10 | 5348 days | 30% |
| sam jones | 10/10 | 5379 days | 30% |
| Rachel Honore | 10/10 | 5379 days | 30% |
| Pip | 10/10 | 5379 days | 30% |
| Kay Beaumont | 8/10 | 5381 days | 29% |
| Alzbeta Czech | 10/10 | 5393 days | 30% |
| sazz | 10/10 | 5407 days | 30% |
| Amelie Sutcliffe | 10/10 | 5407 days | 30% |
| iep_crew | 10/10 | 5407 days | 30% |
| Kane Chain | 8/10 | 5424 days | 29% |
| stroalki | 7/10 | 5438 days | 28% |
| Angela Stringer | 9/10 | 5438 days | 30% |
| hendrik gottschalk | 10/10 | 5438 days | 30% |
| katesc | 9/10 | 5458 days | 30% |
| rosalindm | 10/10 | 5463 days | 30% |
| Lesley Nixon | 6/10 | 5479 days | 25% |
| bondd | 10/10 | 5578 days | 30% |
| Keith | 9/10 | 5737 days | 30% |
| kiwibrit86 | 9/10 | 5757 days | 30% |
| NinaH1 | 8/10 | 5763 days | 29% |
| renanf | 9/10 | 5764 days | 30% |
| DaraghD | 9/10 | 5770 days | 30% |
| Michael | 8/10 | 5776 days | 29% |
| Lucas | 4/10 | 5776 days | 18% |
| Jasmine | 10/10 | 5779 days | 30% |
| Liekens | 8/10 | 5834 days | 29% |
| jfletch | 10/10 | 5844 days | 30% |
| Lisa | 10/10 | 5845 days | 30% |
| siobhan | 10/10 | 5847 days | 30% |
| mike brett | 8/10 | 5847 days | 29% |
| Evelyn | 7/10 | 5848 days | 28% |
| Ben | 10/10 | 5854 days | 30% |
| Chris | 10/10 | 5889 days | 30% |
| maria d | 10/10 | 5956 days | 30% |
| JP Alberto | 10/10 | 5958 days | 30% |
| Daniala | 9/10 | 5981 days | 30% |
| Rhys Howell | 9/10 | 6047 days | 30% |
| Toni Keown | 10/10 | 6072 days | 30% |
| Nicnac | 9/10 | 6079 days | 30% |
| Mark | 9/10 | 6083 days | 30% |
| Claire | 10/10 | 6099 days | 30% |
| Stephanie | 10/10 | 6125 days | 30% |
| Marc Hertogs | 9/10 | 6129 days | 30% |
| Chris | 8/10 | 6138 days | 29% |
| Stacey | 10/10 | 6138 days | 30% |
| Andre Obineche | 10/10 | 6153 days | 30% |
| Hayley | 7/10 | 6153 days | 28% |
| Lindsey Woosnam | 9/10 | 6156 days | 30% |
| Fred | 6/10 | 6160 days | 25% |
| Anneli | 10/10 | 6161 days | 30% |
| Tom Anson | 8/10 | 6161 days | 29% |
| Rich | 9/10 | 6194 days | 30% |
| Neil Cooke | 8/10 | 6195 days | 29% |
| Manuel | 9/10 | 6202 days | 30% |
| Tom Clements | 8/10 | 6203 days | 29% |
| Richard Kindgren | 8/10 | 6205 days | 29% |
| Linda | 10/10 | 6429 days | 30% |
| ShoshanaAbrams | 9/10 | 6434 days | 30% |
| LauraMarini | 9/10 | 6438 days | 30% |
| Cohen | 8/10 | 6439 days | 29% |
| Valerie | 8/10 | 6440 days | 29% |
| Matt | 7/10 | 6441 days | 28% |
| Kate | 10/10 | 6443 days | 30% |
| AnnaHerbert | 10/10 | 6449 days | 30% |
| Austin | 9/10 | 6457 days | 30% |
| Claire | 9/10 | 6457 days | 30% |
| AnnaOwen | 10/10 | 6468 days | 30% |
| AndrewEwen | 6/10 | 6468 days | 25% |
| Nina | 7/10 | 6485 days | 28% |
| Helen | 10/10 | 6485 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 Kaitiaki Adventures Rafting and Sledging experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-4.05% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 43 days. However the Kaitiaki Adventures Rafting and Sledging 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 Kaitiaki Adventures Rafting and Sledging experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.99% |
| 198 | -4.01% |
| 199 | -4.03% |
| 200 | -4.05% |
| 201 | -4.07% |
| 202 | -4.09% |
| 203 | -4.11% |
| … | … |
Balancing Adjustment
1.92% 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
87%
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.