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 Buller Gorge Swingbridge.
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.
Buller Gorge Swingbridge
Valid Reviews
132 Valid Reviews
The Buller Gorge Swingbridge experience has a total of 134 reviews. There are 132 valid reviews that are included when calculating the ranking score and 2 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 132 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 16 |
|
12% |
| 9/10 | 11 |
|
8% |
| 8/10 | 29 |
|
22% |
| 7/10 | 19 |
|
14% |
| 6/10 | 14 |
|
11% |
| 5/10 | 12 |
|
9% |
| 4/10 | 10 |
|
8% |
| 3/10 | 10 |
|
8% |
| 2/10 | 5 |
|
4% |
| 1/10 | 6 |
|
5% |
64.70% Average
The raw data average (mean) for all the Buller Gorge Swingbridge valid reviews is 64.70% and is based on 132 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
118 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 132 valid reviews, the experience has 118 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 118 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 14 |
|
12% |
| 9/10 | 10 |
|
8% |
| 8/10 | 27 |
|
23% |
| 7/10 | 18 |
|
15% |
| 6/10 | 12 |
|
10% |
| 5/10 | 12 |
|
10% |
| 4/10 | 9 |
|
8% |
| 3/10 | 7 |
|
6% |
| 2/10 | 4 |
|
3% |
| 1/10 | 5 |
|
4% |
65.59% Average
The raw data average (mean) for all the Buller Gorge Swingbridge face-to-face reviews is 65.59% and is based on 118 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
66.31%
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 |
|---|---|---|---|
| Caroline Skinnider | 8/10 | 112 days | 100% |
| Christina | 3/10 | 536 days | 47% |
| Deb Z | 2/10 | 1573 days | 4% |
| Solvejg Bjerg | 9/10 | 3409 days | 2% |
| Jaroslav Kacmar | 7/10 | 3412 days | 1% |
| Fabian Probst | 7/10 | 3432 days | 1% |
| Jonas Neumann | 6/10 | 3442 days | 1% |
| Mark | 8/10 | 3449 days | 1% |
| Alicia Speisekorn-Gil | 10/10 | 3494 days | 1% |
| Marc Perales | 3/10 | 3496 days | 1% |
| Laura Leoekloek | 8/10 | 3521 days | 1% |
| Stephan Ophelders | 6/10 | 3763 days | 1% |
| Ross Clark | 9/10 | 3769 days | 1% |
| Anna Jungclaus | 4/10 | 3772 days | 0% |
| Paul and Astrid | 8/10 | 3776 days | 1% |
| Oliver Schatz | 6/10 | 3784 days | 1% |
| Nadja | 2/10 | 3784 days | 0% |
| Wil Goes | 4/10 | 3789 days | 0% |
| D Davey | 9/10 | 3791 days | 1% |
| Sylvain Blanchet | 10/10 | 3797 days | 1% |
| Ral Pritchard | 5/10 | 3808 days | 0% |
| Sue Strebe | 6/10 | 4148 days | 0% |
| Helen Parsons | 6/10 | 4154 days | 0% |
| Ann Wilson | 7/10 | 4481 days | 1% |
| Reto | 4/10 | 4509 days | 0% |
| Glyn and Karen Farlow | 7/10 | 4511 days | 1% |
| Marius Hoffmann | 6/10 | 4512 days | 0% |
| Lena Jensen | 3/10 | 4530 days | 0% |
| Jesper Andersen | 4/10 | 4530 days | 0% |
| David Embling | 5/10 | 4531 days | 0% |
| Angela Neville | 8/10 | 4531 days | 1% |
| Derek Knight | 8/10 | 4537 days | 1% |
| Jacqui Knight | 8/10 | 4537 days | 1% |
| Elizabeth | 7/10 | 4556 days | 1% |
| Roy Driehuis | 7/10 | 4556 days | 1% |
| AusCampa | 3/10 | 4799 days | 0% |
| Andrew Grimes | 7/10 | 4855 days | 1% |
| Lynda Quartay | 9/10 | 4855 days | 1% |
| Julian Roots | 8/10 | 4860 days | 1% |
| Lorna and Seb | 6/10 | 4863 days | 0% |
| Mary Neustroski | 5/10 | 4874 days | 0% |
| Sam Bensemann | 10/10 | 4919 days | 1% |
| Mike Edwards | 8/10 | 4935 days | 1% |
| Annie | 5/10 | 4943 days | 0% |
| Dio | 6/10 | 4952 days | 0% |
| Michel Vourbraak | 8/10 | 4966 days | 1% |
| Evelyn Mackie | 10/10 | 5218 days | 1% |
| Matthias Angela | 6/10 | 5219 days | 0% |
| Jeltje | 5/10 | 5234 days | 0% |
| Baas | 7/10 | 5234 days | 1% |
| Josef | 1/10 | 5235 days | 0% |
| Sylvia & Garrit | 1/10 | 5239 days | 0% |
| Marco Scheiber | 8/10 | 5248 days | 1% |
| Volker Neumeyer | 9/10 | 5249 days | 1% |
| Anna | 2/10 | 5252 days | 0% |
| Duncan & Ellen | 5/10 | 5270 days | 0% |
| KandJ | 1/10 | 5285 days | 0% |
| Josh | 7/10 | 5328 days | 1% |
| Ray Coombe | 8/10 | 5328 days | 1% |
| Mr & Mrs Palmer | 7/10 | 5577 days | 1% |
| John Stokes | 8/10 | 5579 days | 1% |
| Julia | 2/10 | 5581 days | 0% |
| Juerg & Denise Zuesli | 3/10 | 5584 days | 0% |
| B Kleven | 7/10 | 5585 days | 1% |
| Anita Tonks | 4/10 | 5590 days | 0% |
| Carolin Ranner | 5/10 | 5592 days | 0% |
| Kasten | 4/10 | 5593 days | 0% |
| omlo | 3/10 | 5605 days | 0% |
| David Heads | 8/10 | 5606 days | 1% |
| Irene and Thib Schneider | 8/10 | 5607 days | 1% |
| Bahner | 10/10 | 5607 days | 1% |
| Teum and Orselien | 5/10 | 5607 days | 0% |
| Daniel Bogdanowitsch | 10/10 | 5610 days | 1% |
| Julia | 7/10 | 5611 days | 1% |
| Bas Geerts | 6/10 | 5612 days | 0% |
| Barbara | 7/10 | 5612 days | 1% |
| JohnHaestad | 7/10 | 5619 days | 1% |
| Grant | 8/10 | 5877 days | 1% |
| Quin | 8/10 | 5925 days | 1% |
| Kaddi & Grego | 1/10 | 5957 days | 0% |
| Thomas & Jucki | 8/10 | 5959 days | 1% |
| Rolf X | 4/10 | 5966 days | 0% |
| Gary Ebrig | 7/10 | 5969 days | 1% |
| J Kempeneers | 4/10 | 5970 days | 0% |
| Loleit | 1/10 | 5977 days | 0% |
| vanijzendoor | 8/10 | 5979 days | 1% |
| Sinjc Grude | 3/10 | 5981 days | 0% |
| Jeremy & Sarah Rind | 8/10 | 5983 days | 1% |
| Hugli | 9/10 | 5989 days | 1% |
| W David R Thomas | 5/10 | 5989 days | 0% |
| Beute Jacob | 7/10 | 5997 days | 1% |
| J P Paulvast | 8/10 | 5998 days | 1% |
| Beute Hjel | 8/10 | 6000 days | 1% |
| middendorp | 8/10 | 6030 days | 1% |
| Linda Coats | 10/10 | 6031 days | 1% |
| johnma | 10/10 | 6035 days | 1% |
| sels | 3/10 | 6046 days | 0% |
| Anna | 6/10 | 6076 days | 0% |
| alanvn | 3/10 | 6159 days | 0% |
| richards1 | 2/10 | 6171 days | 0% |
| KarinS | 5/10 | 6283 days | 0% |
| DirkGermany | 10/10 | 6285 days | 1% |
| KatrinS | 1/10 | 6302 days | 0% |
| Lucas | 7/10 | 6306 days | 1% |
| Anna Hansson | 10/10 | 6307 days | 1% |
| Anna Hansson | 10/10 | 6307 days | 1% |
| Sara Hansson | 9/10 | 6307 days | 1% |
| BevanLisa | 7/10 | 6307 days | 1% |
| Hans | 6/10 | 6307 days | 0% |
| OdiliaF | 10/10 | 6309 days | 1% |
| Mary | 9/10 | 6314 days | 1% |
| JetteG | 5/10 | 6324 days | 0% |
| VacherD | 8/10 | 6325 days | 1% |
| Adi | 10/10 | 6338 days | 1% |
| Philippa | 9/10 | 6338 days | 1% |
| De Vries | 7/10 | 6358 days | 1% |
| Debbie Mossman | 6/10 | 6364 days | 0% |
| nsmith | 9/10 | 6442 days | 1% |
| Gray | 10/10 | 6525 days | 1% |
| fgregory | 10/10 | 6552 days | 1% |
| Stewart | 6/10 | 6673 days | 0% |
| Sara Rütten | 4/10 | 6692 days | 0% |
| Sabine Feiner | 10/10 | 6695 days | 1% |
| Roger & Margaret | 8/10 | 6704 days | 1% |
| Gill O'Connor | 8/10 | 6706 days | 1% |
| Kevin | 9/10 | 6775 days | 1% |
| Floren | 8/10 | 6779 days | 1% |
| Rene Schotvanger | 4/10 | 6892 days | 0% |
| ranker_41 | 5/10 | 6892 days | 0% |
| Kate | 3/10 | 7048 days | 0% |
| Bernhard | 8/10 | 7064 days | 1% |
| Walburg | 8/10 | 7067 days | 1% |
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 Buller Gorge Swingbridge experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-1.13% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 119 days. However the Buller Gorge Swingbridge 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 Buller Gorge Swingbridge experience has been adjusted for 106 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 103 | -1.10% |
| 104 | -1.11% |
| 105 | -1.12% |
| 106 | -1.13% |
| 107 | -1.14% |
| 108 | -1.16% |
| 109 | -1.17% |
| … | … |
Balancing Adjustment
10.09% 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
75%
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.