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 Taupo Tandem Skydiving.
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.
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Taupo Tandem Skydiving
Valid Reviews
132 Valid Reviews
The Taupo Tandem Skydiving 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 | 71 |
|
54% |
| 9/10 | 40 |
|
30% |
| 8/10 | 13 |
|
10% |
| 7/10 | 3 |
|
2% |
| 6/10 | 2 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 1 |
|
1% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
92.35% Average
The raw data average (mean) for all the Taupo Tandem Skydiving valid reviews is 92.35% 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
113 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 113 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 113 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 58 |
|
51% |
| 9/10 | 36 |
|
32% |
| 8/10 | 11 |
|
10% |
| 7/10 | 3 |
|
3% |
| 6/10 | 2 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 1 |
|
1% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
91.77% Average
The raw data average (mean) for all the Taupo Tandem Skydiving face-to-face reviews is 91.77% and is based on 113 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
93.92%
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 |
|---|---|---|---|
| Margaret | 10/10 | 1514 days | 100% |
| ILDIKO JUHASZ | 10/10 | 1514 days | 100% |
| Sandra Reynders | 10/10 | 3034 days | 21% |
| Jessica Nasstrom | 10/10 | 3066 days | 20% |
| Matt Harris | 9/10 | 3291 days | 16% |
| Nadja Guiliani | 9/10 | 3292 days | 16% |
| Laerke Soee | 10/10 | 3299 days | 16% |
| Christian Krause | 10/10 | 3299 days | 16% |
| Philipp | 8/10 | 3301 days | 15% |
| Matt Irwin | 9/10 | 3322 days | 15% |
| Tom Hurst | 9/10 | 3322 days | 15% |
| Luca Herzig | 10/10 | 3327 days | 15% |
| Natasha Harbinson | 10/10 | 3330 days | 15% |
| Lennox | 10/10 | 3331 days | 15% |
| Philip Piel | 10/10 | 3351 days | 15% |
| Jonas | 10/10 | 3351 days | 15% |
| Mikkel Palleson | 10/10 | 3353 days | 15% |
| Asborn Damgaard | 7/10 | 3358 days | 13% |
| Hans | 9/10 | 3383 days | 14% |
| Raviv Regev | 8/10 | 3383 days | 14% |
| Sophie Jenkins | 10/10 | 3404 days | 14% |
| Charlotte Casey | 9/10 | 4039 days | 1% |
| Rhys Williams | 7/10 | 4067 days | 0% |
| Ruth Watkin | 10/10 | 4067 days | 1% |
| Jake Bell | 9/10 | 4102 days | 0% |
| Annika | 6/10 | 4412 days | 3% |
| Courtney Quintrell | 8/10 | 4415 days | 4% |
| Neele & Philipp | 9/10 | 4418 days | 5% |
| Christina Rodewald | 9/10 | 4441 days | 5% |
| Jens Moller | 10/10 | 4766 days | 5% |
| Yves & Sylvia | 10/10 | 4787 days | 5% |
| Nelly & Lisa | 9/10 | 4789 days | 5% |
| Franziska & Katrin | 9/10 | 4794 days | 5% |
| Graham Swinyard | 8/10 | 4796 days | 4% |
| Asha | 10/10 | 4833 days | 5% |
| dally | 10/10 | 5078 days | 5% |
| Ryan_Packer | 10/10 | 5078 days | 5% |
| Stefanny Ling | 9/10 | 5104 days | 5% |
| carol50 | 10/10 | 5108 days | 5% |
| Kate Morgan | 10/10 | 5127 days | 5% |
| Ann-Katrine & Sille | 8/10 | 5137 days | 4% |
| Leslie Aldridge | 4/10 | 5160 days | 1% |
| Clamdine | 9/10 | 5162 days | 5% |
| Hull | 10/10 | 5162 days | 5% |
| Family_Thomsen | 10/10 | 5486 days | 5% |
| Will Jemma | 10/10 | 5517 days | 5% |
| Martÿn Steenvoorden | 9/10 | 5524 days | 5% |
| Lisa Beauchemin | 10/10 | 5527 days | 5% |
| John-Paul | 8/10 | 5532 days | 4% |
| stroalki | 9/10 | 5563 days | 5% |
| biene | 3/10 | 5578 days | 0% |
| jamesg | 9/10 | 5592 days | 5% |
| Mille Winther | 6/10 | 5605 days | 3% |
| Matty Boombatty | 10/10 | 5655 days | 5% |
| Neil | 10/10 | 5766 days | 5% |
| michellew | 8/10 | 5786 days | 4% |
| BryonyS | 10/10 | 5826 days | 5% |
| KatieR | 9/10 | 5836 days | 5% |
| Sally477 | 10/10 | 5839 days | 5% |
| Katy1 | 8/10 | 5840 days | 4% |
| ElissaH | 10/10 | 5840 days | 5% |
| Paul | 7/10 | 5841 days | 4% |
| AnneliesK | 9/10 | 5847 days | 5% |
| Jon Li | 10/10 | 5850 days | 5% |
| EleanorL | 10/10 | 5871 days | 5% |
| VickiS | 9/10 | 5871 days | 5% |
| soccaplaya14 | 10/10 | 5877 days | 5% |
| kiwibrit86 | 10/10 | 5881 days | 5% |
| StefanieW | 10/10 | 5888 days | 5% |
| NinaH1 | 10/10 | 5888 days | 5% |
| Noamiki | 9/10 | 5900 days | 5% |
| Michael | 10/10 | 5901 days | 5% |
| Alon | 10/10 | 5902 days | 5% |
| Dan | 10/10 | 5902 days | 5% |
| Sabrina | 10/10 | 5904 days | 5% |
| Kelly | 10/10 | 5904 days | 5% |
| Chris | 10/10 | 5905 days | 5% |
| swizzler | 10/10 | 5907 days | 5% |
| Lieke | 9/10 | 5910 days | 5% |
| Ans | 10/10 | 5911 days | 5% |
| Alan | 10/10 | 5916 days | 5% |
| Emory | 8/10 | 5922 days | 4% |
| Bonnie Turner | 9/10 | 5928 days | 5% |
| Evi | 10/10 | 5943 days | 5% |
| Christian | 10/10 | 5956 days | 5% |
| Tim | 10/10 | 5958 days | 5% |
| Ben | 10/10 | 5978 days | 5% |
| Clare | 9/10 | 6004 days | 5% |
| Chris | 10/10 | 6013 days | 5% |
| Jimmy | 9/10 | 6035 days | 5% |
| Charlotte | 9/10 | 6048 days | 5% |
| Fiona | 9/10 | 6057 days | 5% |
| Naki_Girlz | 10/10 | 6168 days | 5% |
| L1z4rd | 10/10 | 6168 days | 5% |
| Mark | 9/10 | 6208 days | 5% |
| Joanne M | 9/10 | 6214 days | 5% |
| Anna | 9/10 | 6215 days | 5% |
| Julie | 8/10 | 6218 days | 4% |
| Claire | 10/10 | 6224 days | 5% |
| Sarah Maudsley | 9/10 | 6224 days | 5% |
| Kelly Noirin | 9/10 | 6225 days | 5% |
| Laurie | 8/10 | 6249 days | 4% |
| Stephanie | 10/10 | 6250 days | 5% |
| Katharina | 9/10 | 6250 days | 5% |
| Maree | 9/10 | 6251 days | 5% |
| Orlaith | 10/10 | 6251 days | 5% |
| Marc Hertogs | 10/10 | 6254 days | 5% |
| Stephanie Jones | 10/10 | 6278 days | 5% |
| Laura Sutton | 9/10 | 6278 days | 5% |
| Tim | 10/10 | 6278 days | 5% |
| Aske Helbor | 10/10 | 6281 days | 5% |
| ranker_734 | 10/10 | 6281 days | 5% |
| Martin Nigschit | 8/10 | 6312 days | 4% |
| marion | 9/10 | 6319 days | 5% |
| Michelle Orr | 10/10 | 6320 days | 5% |
| Kevin | 10/10 | 6323 days | 5% |
| dieter | 9/10 | 6325 days | 5% |
| Pete | 10/10 | 6327 days | 5% |
| Orla | 9/10 | 6328 days | 5% |
| Richard Kindgren | 10/10 | 6330 days | 5% |
| Jessica Callen | 10/10 | 6440 days | 5% |
| Sabine | 9/10 | 6550 days | 5% |
| Will | 9/10 | 6554 days | 5% |
| ShoshanaAbrams | 9/10 | 6559 days | 5% |
| Elaine | 10/10 | 6559 days | 5% |
| Kitsu | 10/10 | 6562 days | 5% |
| Valerie | 5/10 | 6565 days | 2% |
| Janning | 8/10 | 6574 days | 4% |
| Kim Holland | 10/10 | 6574 days | 5% |
| Sean | 10/10 | 6578 days | 5% |
| Mary | 10/10 | 6589 days | 5% |
| PamWalter | 10/10 | 6615 days | 5% |
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 Taupo Tandem Skydiving experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-3.84% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 59 days. However the Taupo Tandem Skydiving 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 Taupo Tandem Skydiving experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.78% |
| 198 | -3.80% |
| 199 | -3.82% |
| 200 | -3.84% |
| 201 | -3.86% |
| 202 | -3.88% |
| 203 | -3.90% |
| … | … |
Balancing Adjustment
0.99% 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
91%
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.