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 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
75.48%
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 | 2730 days | 100% |
| Gielis and Anne | 8/10 | 2974 days | 89% |
| Vermeulen | 9/10 | 2984 days | 89% |
| Sandra Webb | 10/10 | 2985 days | 90% |
| Anders Frank | 9/10 | 3006 days | 88% |
| Mark | 5/10 | 3018 days | 65% |
| Kimberley Gardien | 7/10 | 3019 days | 81% |
| Jet Henmans | 8/10 | 3055 days | 83% |
| Colin George | 10/10 | 3056 days | 85% |
| Frank Bien | 7/10 | 3058 days | 78% |
| Megan Telford | 8/10 | 3064 days | 83% |
| Stuart | 7/10 | 3064 days | 78% |
| David Santos | 6/10 | 3066 days | 72% |
| Sabrina and Hannes | 9/10 | 3084 days | 82% |
| Basia Mikozatorak | 8/10 | 3084 days | 81% |
| Heidi Hipp | 10/10 | 3308 days | 67% |
| Chloe and Guillame | 7/10 | 3323 days | 61% |
| Sebastiaan | 8/10 | 3324 days | 65% |
| Sybille | 8/10 | 3325 days | 65% |
| Marine | 7/10 | 3326 days | 61% |
| Pat Dye | 7/10 | 3330 days | 61% |
| Florian Bisault | 6/10 | 3334 days | 55% |
| Adam Pulkrabek | 5/10 | 3337 days | 48% |
| Chris Cullen | 6/10 | 3343 days | 55% |
| Louise Boje | 10/10 | 3349 days | 64% |
| Petra Fragner | 7/10 | 3349 days | 59% |
| Joel Papak | 7/10 | 3354 days | 59% |
| Johannes | 8/10 | 3357 days | 62% |
| Alexandra Nagelu | 9/10 | 3362 days | 63% |
| Florent Callet | 1/10 | 3364 days | 21% |
| Cindy Rizzo | 6/10 | 3364 days | 53% |
| Ulli | 10/10 | 3367 days | 63% |
| Stella and Merle | 7/10 | 3369 days | 58% |
| Christine Schtenker | 6/10 | 3369 days | 53% |
| Lisa Kalkert | 6/10 | 3372 days | 53% |
| Philip Piel | 5/10 | 3372 days | 46% |
| Nils Kissel | 10/10 | 3372 days | 63% |
| Mikkel Pallesen | 5/10 | 3373 days | 46% |
| Melissa Fuster | 5/10 | 3374 days | 46% |
| Iris Kerbler | 5/10 | 3377 days | 46% |
| Lara Baetz | 8/10 | 3388 days | 60% |
| Annika Oldenburger | 5/10 | 3404 days | 44% |
| Daria and Annika | 6/10 | 3405 days | 51% |
| Marc | 7/10 | 3407 days | 56% |
| Markus Wabing | 8/10 | 3424 days | 58% |
| hendrik king | 3/10 | 3454 days | 27% |
| Laura and Marie | 2/10 | 3750 days | 12% |
| Carolin Siegert | 9/10 | 4041 days | 15% |
| Hirsch Svenja | 9/10 | 4067 days | 14% |
| Mahr Svenja | 7/10 | 4067 days | 12% |
| Friederike Kranzin | 1/10 | 4071 days | 1% |
| Roy Matthieu | 6/10 | 4075 days | 10% |
| Cindy Benayoum | 4/10 | 4075 days | 6% |
| Bernhard Fulterer | 7/10 | 4080 days | 11% |
| I LOVE NZ | 6/10 | 4245 days | 0% |
| Julian Roots | 8/10 | 4429 days | 27% |
| Kathy Arthurs | 8/10 | 4429 days | 27% |
| Hans | 9/10 | 4509 days | 27% |
| Anne and John | 9/10 | 4518 days | 27% |
| Diana Allan | 9/10 | 4810 days | 27% |
| Lepied | 7/10 | 4810 days | 25% |
| Andy & Lynnie Nevin | 9/10 | 4817 days | 27% |
| Lotte Foged | 7/10 | 4821 days | 25% |
| CMJ | 7/10 | 4854 days | 25% |
| Curry | 7/10 | 4897 days | 25% |
| Jon_and_Family | 10/10 | 5129 days | 28% |
| Nicola Thackray | 10/10 | 5147 days | 28% |
| Wheeler | 10/10 | 5149 days | 28% |
| Omar Candon | 3/10 | 5161 days | 11% |
| Matthew Franklin | 7/10 | 5162 days | 25% |
| Markus Richert | 8/10 | 5182 days | 27% |
| Gea Middelbos | 5/10 | 5457 days | 19% |
| Remro | 4/10 | 5513 days | 15% |
| Pieter Middeldorp | 3/10 | 5521 days | 11% |
| Frans N | 10/10 | 5533 days | 28% |
| Bo Moenstead | 9/10 | 5562 days | 27% |
| Ann Grandchamp | 8/10 | 5567 days | 27% |
| Beute Hjel | 7/10 | 5569 days | 25% |
| Anne Ford | 8/10 | 5617 days | 27% |
| Miranda | 7/10 | 5737 days | 25% |
| monniere | 6/10 | 5769 days | 23% |
| DustyLaptop | 7/10 | 5798 days | 25% |
| BVanW | 4/10 | 5851 days | 15% |
| BrunoG | 8/10 | 5877 days | 27% |
| Craig | 7/10 | 5878 days | 25% |
| Tony | 7/10 | 5907 days | 25% |
| James | 5/10 | 5909 days | 19% |
| Claire | 8/10 | 5945 days | 27% |
| Maggie | 9/10 | 5977 days | 27% |
| Patricia | 9/10 | 5980 days | 27% |
| Katja | 9/10 | 6065 days | 27% |
| Peddy | 10/10 | 6088 days | 28% |
| Bronagh Mcartan | 8/10 | 6107 days | 27% |
| Carmen | 10/10 | 6111 days | 28% |
| Dave | 8/10 | 6118 days | 27% |
| Liz Brown | 10/10 | 6195 days | 28% |
| Amy Clark | 7/10 | 6230 days | 25% |
| Toby | 7/10 | 6231 days | 25% |
| Kerstin Brantryd | 9/10 | 6246 days | 27% |
| Leo | 10/10 | 6251 days | 28% |
| Nancy Dol | 8/10 | 6256 days | 27% |
| Christian Schwerdt | 3/10 | 6260 days | 11% |
| Carmen Dolny | 8/10 | 6260 days | 27% |
| Jim Curley | 10/10 | 6271 days | 28% |
| Bill Lambert | 9/10 | 6275 days | 27% |
| Bex | 8/10 | 6286 days | 27% |
| Fred | 5/10 | 6306 days | 19% |
| purplekat99 | 10/10 | 6315 days | 28% |
| Jessica Callen | 7/10 | 6461 days | 25% |
| Elaine | 6/10 | 6580 days | 23% |
| Daniel | 8/10 | 6585 days | 27% |
| Petra | 10/10 | 6599 days | 28% |
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
-3.44% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 66 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 | -3.39% |
| 198 | -3.41% |
| 199 | -3.43% |
| 200 | -3.44% |
| 201 | -3.46% |
| 202 | -3.48% |
| 203 | -3.49% |
| … | … |
Balancing Adjustment
5.94% 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.