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 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
131 Valid Reviews
The Buller Gorge Swingbridge experience has a total of 133 reviews. There are 131 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 131 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 16 |
|
12% |
| 9/10 | 11 |
|
8% |
| 8/10 | 28 |
|
21% |
| 7/10 | 19 |
|
15% |
| 6/10 | 14 |
|
11% |
| 5/10 | 12 |
|
9% |
| 4/10 | 10 |
|
8% |
| 3/10 | 10 |
|
8% |
| 2/10 | 5 |
|
4% |
| 1/10 | 6 |
|
5% |
64.58% Average
The raw data average (mean) for all the Buller Gorge Swingbridge valid reviews is 64.58% and is based on 131 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 131 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
57.49%
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 |
|---|---|---|---|
| Christina | 3/10 | 426 days | 100% |
| Deb Z | 2/10 | 1463 days | 12% |
| Solvejg Bjerg | 9/10 | 3299 days | 4% |
| Jaroslav Kacmar | 7/10 | 3302 days | 4% |
| Fabian Probst | 7/10 | 3322 days | 4% |
| Jonas Neumann | 6/10 | 3332 days | 4% |
| Mark | 8/10 | 3339 days | 4% |
| Alicia Speisekorn-Gil | 10/10 | 3384 days | 4% |
| Marc Perales | 3/10 | 3386 days | 2% |
| Laura Leoekloek | 8/10 | 3411 days | 4% |
| Stephan Ophelders | 6/10 | 3653 days | 2% |
| Ross Clark | 9/10 | 3659 days | 3% |
| Anna Jungclaus | 4/10 | 3662 days | 2% |
| Paul and Astrid | 8/10 | 3666 days | 3% |
| Oliver Schatz | 6/10 | 3674 days | 2% |
| Nadja | 2/10 | 3674 days | 1% |
| Wil Goes | 4/10 | 3679 days | 2% |
| D Davey | 9/10 | 3681 days | 3% |
| Sylvain Blanchet | 10/10 | 3687 days | 3% |
| Ral Pritchard | 5/10 | 3698 days | 2% |
| Sue Strebe | 6/10 | 4038 days | 1% |
| Helen Parsons | 6/10 | 4044 days | 1% |
| Ann Wilson | 7/10 | 4371 days | 0% |
| Reto | 4/10 | 4399 days | 1% |
| Glyn and Karen Farlow | 7/10 | 4401 days | 2% |
| Marius Hoffmann | 6/10 | 4402 days | 2% |
| Lena Jensen | 3/10 | 4420 days | 1% |
| Jesper Andersen | 4/10 | 4420 days | 1% |
| David Embling | 5/10 | 4421 days | 2% |
| Angela Neville | 8/10 | 4421 days | 2% |
| Derek Knight | 8/10 | 4427 days | 2% |
| Jacqui Knight | 8/10 | 4427 days | 2% |
| Elizabeth | 7/10 | 4446 days | 2% |
| Roy Driehuis | 7/10 | 4446 days | 2% |
| AusCampa | 3/10 | 4689 days | 1% |
| Andrew Grimes | 7/10 | 4745 days | 2% |
| Lynda Quartay | 9/10 | 4745 days | 2% |
| Julian Roots | 8/10 | 4750 days | 2% |
| Lorna and Seb | 6/10 | 4753 days | 2% |
| Mary Neustroski | 5/10 | 4764 days | 2% |
| Sam Bensemann | 10/10 | 4809 days | 2% |
| Mike Edwards | 8/10 | 4825 days | 2% |
| Annie | 5/10 | 4833 days | 2% |
| Dio | 6/10 | 4842 days | 2% |
| Michel Vourbraak | 8/10 | 4856 days | 2% |
| Evelyn Mackie | 10/10 | 5108 days | 2% |
| Matthias Angela | 6/10 | 5109 days | 2% |
| Jeltje | 5/10 | 5124 days | 2% |
| Baas | 7/10 | 5124 days | 2% |
| Josef | 1/10 | 5125 days | 1% |
| Sylvia & Garrit | 1/10 | 5129 days | 1% |
| Marco Scheiber | 8/10 | 5138 days | 2% |
| Volker Neumeyer | 9/10 | 5139 days | 2% |
| Anna | 2/10 | 5142 days | 1% |
| Duncan & Ellen | 5/10 | 5160 days | 2% |
| KandJ | 1/10 | 5175 days | 1% |
| Josh | 7/10 | 5218 days | 2% |
| Ray Coombe | 8/10 | 5218 days | 2% |
| Mr & Mrs Palmer | 7/10 | 5467 days | 2% |
| John Stokes | 8/10 | 5469 days | 2% |
| Julia | 2/10 | 5471 days | 1% |
| Juerg & Denise Zuesli | 3/10 | 5474 days | 1% |
| B Kleven | 7/10 | 5475 days | 2% |
| Anita Tonks | 4/10 | 5480 days | 1% |
| Carolin Ranner | 5/10 | 5482 days | 2% |
| Kasten | 4/10 | 5483 days | 1% |
| omlo | 3/10 | 5495 days | 1% |
| David Heads | 8/10 | 5496 days | 2% |
| Irene and Thib Schneider | 8/10 | 5497 days | 2% |
| Bahner | 10/10 | 5497 days | 2% |
| Teum and Orselien | 5/10 | 5497 days | 2% |
| Daniel Bogdanowitsch | 10/10 | 5500 days | 2% |
| Julia | 7/10 | 5501 days | 2% |
| Bas Geerts | 6/10 | 5502 days | 2% |
| Barbara | 7/10 | 5502 days | 2% |
| JohnHaestad | 7/10 | 5509 days | 2% |
| Grant | 8/10 | 5767 days | 2% |
| Quin | 8/10 | 5815 days | 2% |
| Kaddi & Grego | 1/10 | 5847 days | 1% |
| Thomas & Jucki | 8/10 | 5849 days | 2% |
| Rolf X | 4/10 | 5856 days | 1% |
| Gary Ebrig | 7/10 | 5859 days | 2% |
| J Kempeneers | 4/10 | 5860 days | 1% |
| Loleit | 1/10 | 5867 days | 1% |
| vanijzendoor | 8/10 | 5869 days | 2% |
| Sinjc Grude | 3/10 | 5871 days | 1% |
| Jeremy & Sarah Rind | 8/10 | 5873 days | 2% |
| Hugli | 9/10 | 5879 days | 2% |
| W David R Thomas | 5/10 | 5879 days | 2% |
| Beute Jacob | 7/10 | 5887 days | 2% |
| J P Paulvast | 8/10 | 5888 days | 2% |
| Beute Hjel | 8/10 | 5890 days | 2% |
| middendorp | 8/10 | 5920 days | 2% |
| Linda Coats | 10/10 | 5921 days | 2% |
| johnma | 10/10 | 5925 days | 2% |
| sels | 3/10 | 5936 days | 1% |
| Anna | 6/10 | 5966 days | 2% |
| alanvn | 3/10 | 6049 days | 1% |
| richards1 | 2/10 | 6061 days | 1% |
| KarinS | 5/10 | 6173 days | 2% |
| DirkGermany | 10/10 | 6175 days | 2% |
| KatrinS | 1/10 | 6192 days | 1% |
| Lucas | 7/10 | 6197 days | 2% |
| Anna Hansson | 10/10 | 6197 days | 2% |
| Anna Hansson | 10/10 | 6197 days | 2% |
| Sara Hansson | 9/10 | 6197 days | 2% |
| BevanLisa | 7/10 | 6197 days | 2% |
| Hans | 6/10 | 6197 days | 2% |
| OdiliaF | 10/10 | 6199 days | 2% |
| Mary | 9/10 | 6204 days | 2% |
| JetteG | 5/10 | 6214 days | 2% |
| VacherD | 8/10 | 6215 days | 2% |
| Adi | 10/10 | 6229 days | 2% |
| Philippa | 9/10 | 6229 days | 2% |
| De Vries | 7/10 | 6248 days | 2% |
| Debbie Mossman | 6/10 | 6255 days | 2% |
| nsmith | 9/10 | 6333 days | 2% |
| Gray | 10/10 | 6416 days | 2% |
| fgregory | 10/10 | 6443 days | 2% |
| Stewart | 6/10 | 6563 days | 2% |
| Sara Rütten | 4/10 | 6582 days | 1% |
| Sabine Feiner | 10/10 | 6585 days | 2% |
| Roger & Margaret | 8/10 | 6594 days | 2% |
| Gill O'Connor | 8/10 | 6596 days | 2% |
| Kevin | 9/10 | 6665 days | 2% |
| Floren | 8/10 | 6669 days | 2% |
| Rene Schotvanger | 4/10 | 6782 days | 1% |
| ranker_41 | 5/10 | 6782 days | 2% |
| Kate | 3/10 | 6938 days | 1% |
| Bernhard | 8/10 | 6954 days | 2% |
| Walburg | 8/10 | 6957 days | 2% |
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
-4.10% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 55 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 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -4.03% |
| 198 | -4.05% |
| 199 | -4.07% |
| 200 | -4.10% |
| 201 | -4.12% |
| 202 | -4.14% |
| 203 | -4.16% |
| … | … |
Balancing Adjustment
19.30% 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
73%
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.