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 Wellington Cable Car.
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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Wellington Cable Car
Valid Reviews
112 Valid Reviews
The Wellington Cable Car experience has a total of 112 valid reviews. There are no 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 112 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 17 |
|
15% |
| 9/10 | 16 |
|
14% |
| 8/10 | 22 |
|
20% |
| 7/10 | 26 |
|
23% |
| 6/10 | 11 |
|
10% |
| 5/10 | 10 |
|
9% |
| 4/10 | 3 |
|
3% |
| 3/10 | 4 |
|
4% |
| 2/10 | 1 |
|
1% |
| 1/10 | 2 |
|
2% |
72.86% Average
The raw data average (mean) for all the Wellington Cable Car valid reviews is 72.86% and is based on 112 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
96 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 112 valid reviews, the experience has 96 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 96 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 12 |
|
13% |
| 9/10 | 16 |
|
17% |
| 8/10 | 17 |
|
18% |
| 7/10 | 23 |
|
24% |
| 6/10 | 9 |
|
9% |
| 5/10 | 10 |
|
10% |
| 4/10 | 3 |
|
3% |
| 3/10 | 3 |
|
3% |
| 2/10 | 1 |
|
1% |
| 1/10 | 2 |
|
2% |
71.88% Average
The raw data average (mean) for all the Wellington Cable Car face-to-face reviews is 71.88% and is based on 96 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
75.30%
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 |
|---|---|---|---|
| Jeny Smolders | 7/10 | 2675 days | 100% |
| Gielis and Anne | 8/10 | 2919 days | 90% |
| Vermeulen | 9/10 | 2929 days | 90% |
| Sandra Webb | 10/10 | 2930 days | 91% |
| Anders Frank | 9/10 | 2951 days | 89% |
| Mark | 5/10 | 2963 days | 68% |
| Kimberley Gardien | 7/10 | 2964 days | 83% |
| Jet Henmans | 8/10 | 3000 days | 85% |
| Colin George | 10/10 | 3001 days | 87% |
| Frank Bien | 7/10 | 3003 days | 81% |
| Megan Telford | 8/10 | 3009 days | 85% |
| Stuart | 7/10 | 3009 days | 80% |
| David Santos | 6/10 | 3011 days | 74% |
| Sabrina and Hannes | 9/10 | 3029 days | 84% |
| Basia Mikozatorak | 8/10 | 3029 days | 83% |
| Heidi Hipp | 10/10 | 3253 days | 71% |
| Chloe and Guillame | 7/10 | 3268 days | 65% |
| Sebastiaan | 8/10 | 3269 days | 69% |
| Sybille | 8/10 | 3270 days | 68% |
| Marine | 7/10 | 3271 days | 65% |
| Pat Dye | 7/10 | 3275 days | 65% |
| Florian Bisault | 6/10 | 3279 days | 60% |
| Adam Pulkrabek | 5/10 | 3282 days | 53% |
| Chris Cullen | 6/10 | 3288 days | 59% |
| Louise Boje | 10/10 | 3294 days | 68% |
| Petra Fragner | 7/10 | 3294 days | 64% |
| Joel Papak | 7/10 | 3299 days | 63% |
| Johannes | 8/10 | 3302 days | 66% |
| Alexandra Nagelu | 9/10 | 3307 days | 67% |
| Florent Callet | 1/10 | 3309 days | 27% |
| Cindy Rizzo | 6/10 | 3309 days | 58% |
| Ulli | 10/10 | 3312 days | 67% |
| Stella and Merle | 7/10 | 3314 days | 62% |
| Christine Schtenker | 6/10 | 3314 days | 58% |
| Lisa Kalkert | 6/10 | 3317 days | 58% |
| Philip Piel | 5/10 | 3317 days | 51% |
| Nils Kissel | 10/10 | 3317 days | 67% |
| Mikkel Pallesen | 5/10 | 3318 days | 51% |
| Melissa Fuster | 5/10 | 3319 days | 51% |
| Iris Kerbler | 5/10 | 3322 days | 51% |
| Lara Baetz | 8/10 | 3333 days | 65% |
| Annika Oldenburger | 5/10 | 3349 days | 49% |
| Daria and Annika | 6/10 | 3350 days | 56% |
| Marc | 7/10 | 3352 days | 60% |
| Markus Wabing | 8/10 | 3369 days | 62% |
| hendrik king | 3/10 | 3399 days | 33% |
| Laura and Marie | 2/10 | 3695 days | 19% |
| Carolin Siegert | 9/10 | 3986 days | 24% |
| Hirsch Svenja | 9/10 | 4012 days | 23% |
| Mahr Svenja | 7/10 | 4012 days | 21% |
| Friederike Kranzin | 1/10 | 4016 days | 9% |
| Roy Matthieu | 6/10 | 4020 days | 19% |
| Cindy Benayoum | 4/10 | 4020 days | 15% |
| Bernhard Fulterer | 7/10 | 4025 days | 21% |
| I LOVE NZ | 6/10 | 4190 days | 10% |
| Julian Roots | 8/10 | 4374 days | 0% |
| Kathy Arthurs | 8/10 | 4374 days | 0% |
| Hans | 9/10 | 4454 days | 32% |
| Anne and John | 9/10 | 4463 days | 32% |
| Diana Allan | 9/10 | 4755 days | 32% |
| Lepied | 7/10 | 4755 days | 30% |
| Andy & Lynnie Nevin | 9/10 | 4762 days | 32% |
| Lotte Foged | 7/10 | 4766 days | 30% |
| CMJ | 7/10 | 4799 days | 30% |
| Curry | 7/10 | 4842 days | 30% |
| Jon_and_Family | 10/10 | 5074 days | 32% |
| Nicola Thackray | 10/10 | 5092 days | 32% |
| Wheeler | 10/10 | 5094 days | 32% |
| Omar Candon | 3/10 | 5106 days | 17% |
| Matthew Franklin | 7/10 | 5107 days | 30% |
| Markus Richert | 8/10 | 5127 days | 31% |
| Gea Middelbos | 5/10 | 5402 days | 24% |
| Remro | 4/10 | 5458 days | 21% |
| Pieter Middeldorp | 3/10 | 5466 days | 17% |
| Frans N | 10/10 | 5478 days | 32% |
| Bo Moenstead | 9/10 | 5507 days | 32% |
| Ann Grandchamp | 8/10 | 5512 days | 31% |
| Beute Hjel | 7/10 | 5514 days | 30% |
| Anne Ford | 8/10 | 5562 days | 31% |
| Miranda | 7/10 | 5682 days | 30% |
| monniere | 6/10 | 5714 days | 27% |
| DustyLaptop | 7/10 | 5743 days | 30% |
| BVanW | 4/10 | 5796 days | 21% |
| BrunoG | 8/10 | 5822 days | 31% |
| Craig | 7/10 | 5823 days | 30% |
| Tony | 7/10 | 5852 days | 30% |
| James | 5/10 | 5854 days | 24% |
| Claire | 8/10 | 5890 days | 31% |
| Maggie | 9/10 | 5922 days | 32% |
| Patricia | 9/10 | 5925 days | 32% |
| Katja | 9/10 | 6010 days | 32% |
| Peddy | 10/10 | 6033 days | 32% |
| Bronagh Mcartan | 8/10 | 6052 days | 31% |
| Carmen | 10/10 | 6056 days | 32% |
| Dave | 8/10 | 6063 days | 31% |
| Liz Brown | 10/10 | 6140 days | 32% |
| Amy Clark | 7/10 | 6175 days | 30% |
| Toby | 7/10 | 6176 days | 30% |
| Kerstin Brantryd | 9/10 | 6191 days | 32% |
| Leo | 10/10 | 6196 days | 32% |
| Nancy Dol | 8/10 | 6201 days | 31% |
| Christian Schwerdt | 3/10 | 6205 days | 17% |
| Carmen Dolny | 8/10 | 6205 days | 31% |
| Jim Curley | 10/10 | 6216 days | 32% |
| Bill Lambert | 9/10 | 6220 days | 32% |
| Bex | 8/10 | 6231 days | 31% |
| Fred | 5/10 | 6251 days | 24% |
| purplekat99 | 10/10 | 6260 days | 32% |
| Jessica Callen | 7/10 | 6406 days | 30% |
| Elaine | 6/10 | 6525 days | 27% |
| Daniel | 8/10 | 6530 days | 31% |
| Petra | 10/10 | 6544 days | 32% |
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 Wellington Cable Car experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-4.14% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 53 days. However the Wellington Cable Car 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 Wellington Cable Car experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -4.08% |
| 198 | -4.10% |
| 199 | -4.12% |
| 200 | -4.14% |
| 201 | -4.16% |
| 202 | -4.19% |
| 203 | -4.21% |
| … | … |
Balancing Adjustment
6.38% 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
78%
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.