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 Whakarewarewa.
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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Whakarewarewa
Valid Reviews
178 Valid Reviews
The Whakarewarewa experience has a total of 179 reviews. There are 178 valid reviews that are included when calculating the ranking score and 1 invalid review 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 178 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 26 |
|
15% |
| 9/10 | 33 |
|
19% |
| 8/10 | 53 |
|
30% |
| 7/10 | 37 |
|
21% |
| 6/10 | 14 |
|
8% |
| 5/10 | 6 |
|
3% |
| 4/10 | 3 |
|
2% |
| 3/10 | 3 |
|
2% |
| 2/10 | 2 |
|
1% |
| 1/10 | 1 |
|
1% |
77.53% Average
The raw data average (mean) for all the Whakarewarewa valid reviews is 77.53% and is based on 178 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
169 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 178 valid reviews, the experience has 169 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 169 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 24 |
|
14% |
| 9/10 | 31 |
|
18% |
| 8/10 | 51 |
|
30% |
| 7/10 | 35 |
|
21% |
| 6/10 | 14 |
|
8% |
| 5/10 | 6 |
|
4% |
| 4/10 | 3 |
|
2% |
| 3/10 | 2 |
|
1% |
| 2/10 | 2 |
|
1% |
| 1/10 | 1 |
|
1% |
77.46% Average
The raw data average (mean) for all the Whakarewarewa face-to-face reviews is 77.46% and is based on 169 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
82.81%
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 |
|---|---|---|---|
| Jane | 9/10 | 512 days | 100% |
| Amy Lord | 10/10 | 2648 days | 4% |
| Chloe B | 8/10 | 2672 days | 4% |
| Richard | 10/10 | 2727 days | 4% |
| Anis Quentin | 9/10 | 2736 days | 3% |
| Dorthe Soeholm | 9/10 | 3008 days | 3% |
| Theerada Wongkaew | 10/10 | 3047 days | 3% |
| Joonas Lehtomaki | 9/10 | 3052 days | 3% |
| Jonathan Verschuuren | 8/10 | 3053 days | 3% |
| Laura David | 9/10 | 3055 days | 3% |
| Michael | 10/10 | 3056 days | 3% |
| Anne | 8/10 | 3056 days | 3% |
| Heyuuiutha Lokithas | 7/10 | 3058 days | 3% |
| Philip Sheridan | 7/10 | 3064 days | 3% |
| Sandra Reynders | 8/10 | 3065 days | 3% |
| Colin George | 10/10 | 3066 days | 3% |
| Alexandra Luerner | 10/10 | 3068 days | 3% |
| Frank Bien | 10/10 | 3068 days | 3% |
| Felicity Ford | 7/10 | 3069 days | 3% |
| Louis Nilsson | 10/10 | 3074 days | 3% |
| Gilbert Baptiste | 6/10 | 3074 days | 2% |
| Emilie Bavard | 6/10 | 3074 days | 2% |
| Barbara | 10/10 | 3083 days | 3% |
| Paul Tysoe | 8/10 | 3091 days | 3% |
| Jessica Nasstrom | 6/10 | 3097 days | 2% |
| ben carroll | 10/10 | 3098 days | 3% |
| Eveline | 8/10 | 3107 days | 3% |
| Henry Ang | 7/10 | 3159 days | 2% |
| Michelle Smit | 9/10 | 3221 days | 2% |
| Gesa Roemer | 4/10 | 3319 days | 1% |
| Gerbrand Smidt | 9/10 | 3326 days | 2% |
| Silvia | 5/10 | 3329 days | 2% |
| Jennifer Nguyen | 8/10 | 3337 days | 2% |
| Robin Stamm | 8/10 | 3337 days | 2% |
| Jonathan Foskett | 6/10 | 3338 days | 2% |
| Clara Guinard | 7/10 | 3340 days | 2% |
| Hannes | 9/10 | 3341 days | 2% |
| John and Jan | 9/10 | 3345 days | 2% |
| Adrienne Hoet | 6/10 | 3346 days | 2% |
| Benoit Leclerc | 7/10 | 3358 days | 2% |
| Raul Ellermann | 6/10 | 3363 days | 2% |
| Catharina Cuntz | 6/10 | 3378 days | 2% |
| Klaas Huis | 8/10 | 3379 days | 2% |
| Maxima Buisan | 7/10 | 3384 days | 2% |
| Niels Hoogendooen | 6/10 | 3386 days | 2% |
| Martina | 9/10 | 3393 days | 2% |
| Martin Bakker | 9/10 | 3421 days | 2% |
| Elisabeth Ringswandl | 9/10 | 3697 days | 1% |
| Thomas Haslbeck | 8/10 | 3697 days | 1% |
| Miriam Burchartz | 10/10 | 3698 days | 1% |
| Leonie Jennings | 9/10 | 3742 days | 1% |
| Trevor Wichman | 8/10 | 3742 days | 1% |
| Sibylle and Nadine | 9/10 | 3790 days | 1% |
| Anne Courtenay | 8/10 | 4081 days | 0% |
| Friederike Kranzin | 10/10 | 4081 days | 0% |
| Amanda | 9/10 | 4084 days | 0% |
| Derek | 8/10 | 4084 days | 0% |
| Juliane | 10/10 | 4086 days | 0% |
| Hannah | 8/10 | 4086 days | 0% |
| Dan Lawson | 10/10 | 4114 days | 0% |
| Henry Thiel | 3/10 | 4114 days | 0% |
| Sina Sacranie | 10/10 | 4114 days | 0% |
| Julia Bonisch | 8/10 | 4117 days | 0% |
| Rupert | 9/10 | 4128 days | 0% |
| Dupont | 7/10 | 4445 days | 1% |
| David Lee | 8/10 | 4451 days | 1% |
| Henrik Steinruecken | 6/10 | 4511 days | 1% |
| Wenmechers | 8/10 | 4519 days | 1% |
| Martin Thomas | 9/10 | 4521 days | 1% |
| Paul Lawrence | 8/10 | 4527 days | 1% |
| Gary Brooks | 8/10 | 4529 days | 1% |
| Marian | 7/10 | 4531 days | 1% |
| Adam Hassan | 9/10 | 4534 days | 1% |
| Gerard van de Ven | 9/10 | 4534 days | 1% |
| Lutz Huuemorder | 8/10 | 4535 days | 1% |
| Julie Lamart | 9/10 | 4538 days | 1% |
| Shannon Taylor | 7/10 | 4538 days | 1% |
| Kerstin | 8/10 | 4544 days | 1% |
| Denny | 10/10 | 4651 days | 1% |
| Petr Stepanek | 10/10 | 4796 days | 1% |
| Sebastian Hol | 5/10 | 4800 days | 1% |
| Jochem Snyders | 9/10 | 4807 days | 1% |
| Vitek | 8/10 | 4808 days | 1% |
| Daniel | 7/10 | 4808 days | 1% |
| Carolin Haas | 5/10 | 4814 days | 1% |
| Pierre Boulanger | 9/10 | 4816 days | 1% |
| Dave Simpson | 7/10 | 4818 days | 1% |
| Monica | 10/10 | 4819 days | 1% |
| Mags Adams | 9/10 | 4819 days | 1% |
| Hardy | 10/10 | 4819 days | 1% |
| Nelly & Lisa | 8/10 | 4820 days | 1% |
| Lepied | 7/10 | 4820 days | 1% |
| Graeme E | 9/10 | 4824 days | 1% |
| Colin Philpott | 9/10 | 4826 days | 1% |
| Kim Thorsted | 7/10 | 4827 days | 1% |
| R Laurysen | 7/10 | 4830 days | 1% |
| Corv V D Hof | 8/10 | 4830 days | 1% |
| Anika | 7/10 | 4832 days | 1% |
| Lilja Bjork Hermannsdottir | 9/10 | 4832 days | 1% |
| Remy van Heugten | 6/10 | 4832 days | 1% |
| Stefan Roehrbein | 8/10 | 4833 days | 1% |
| J Knol | 8/10 | 4859 days | 1% |
| Niels Daubjerg | 9/10 | 4896 days | 1% |
| Peter, Noelle & Susanne | 7/10 | 4898 days | 1% |
| Rebecca & Hugh Small | 5/10 | 4905 days | 1% |
| David & Mary-Jane Ryder | 9/10 | 4907 days | 1% |
| Caroline | 8/10 | 4909 days | 1% |
| Erik Folkersen | 8/10 | 4909 days | 1% |
| Wolfgang Goggel | 10/10 | 4909 days | 1% |
| Leif Sorensen | 8/10 | 4909 days | 1% |
| Andy Lever | 8/10 | 4910 days | 1% |
| Rudy Witt | 7/10 | 4911 days | 1% |
| Matthys van den Heuuel | 7/10 | 4915 days | 1% |
| Robin van der Linden | 8/10 | 5121 days | 1% |
| Petra | 10/10 | 5133 days | 1% |
| Karin & Bastiaan | 8/10 | 5134 days | 1% |
| Kris Gijbels | 9/10 | 5148 days | 1% |
| Danielle | 6/10 | 5148 days | 1% |
| Nathalie | 3/10 | 5154 days | 0% |
| Nicola Thackray | 8/10 | 5157 days | 1% |
| Strieson | 7/10 | 5171 days | 1% |
| Ini & Cees | 7/10 | 5172 days | 1% |
| Peter | 7/10 | 5175 days | 1% |
| Mark Leeuwenburgh | 8/10 | 5175 days | 1% |
| Angela | 9/10 | 5186 days | 1% |
| Eva Weichs | 7/10 | 5188 days | 1% |
| Nicole | 5/10 | 5189 days | 1% |
| Rossiter | 9/10 | 5191 days | 1% |
| Derek Woodward | 10/10 | 5192 days | 1% |
| Elinor Bell | 1/10 | 5193 days | 0% |
| Robin Schomburg | 10/10 | 5195 days | 1% |
| Katrin & Mark | 7/10 | 5198 days | 1% |
| Claudia | 8/10 | 5462 days | 1% |
| krisevelyn | 4/10 | 5474 days | 0% |
| Richard Spore | 9/10 | 5522 days | 1% |
| Mike Peirce | 8/10 | 5529 days | 1% |
| Venot | 8/10 | 5538 days | 1% |
| Christen Hans | 4/10 | 5549 days | 0% |
| Jamie Hallifax | 8/10 | 5554 days | 1% |
| Emily Walters | 8/10 | 5561 days | 1% |
| Ines Diana | 5/10 | 5562 days | 1% |
| Wolfgang G | 10/10 | 5569 days | 1% |
| mariekef | 8/10 | 5609 days | 1% |
| selinab | 7/10 | 5618 days | 1% |
| Peter Essink | 7/10 | 5627 days | 1% |
| Karin Linder | 8/10 | 5629 days | 1% |
| Helen Pet | 8/10 | 5633 days | 1% |
| Richard Kesteleyn | 2/10 | 5633 days | 0% |
| Solveig Mosinski | 8/10 | 5637 days | 1% |
| Christine Van Den Berg Michele Imbach | 10/10 | 5648 days | 1% |
| Wim Put | 8/10 | 5651 days | 1% |
| eowyn2k | 3/10 | 5655 days | 0% |
| skorn | 7/10 | 5749 days | 1% |
| SSheil | 7/10 | 5857 days | 1% |
| UlaR | 10/10 | 5861 days | 1% |
| straw64 | 8/10 | 5869 days | 1% |
| dieteru | 8/10 | 5869 days | 1% |
| Sarah_rae | 8/10 | 5885 days | 1% |
| Gerd Hebbel | 6/10 | 5885 days | 1% |
| Mick | 7/10 | 5886 days | 1% |
| Jasmin | 9/10 | 5900 days | 1% |
| Stefau | 7/10 | 5900 days | 1% |
| MrHebbard | 6/10 | 5902 days | 1% |
| siemen | 2/10 | 5911 days | 0% |
| Van Dam | 7/10 | 5931 days | 1% |
| Gunhild | 8/10 | 5934 days | 1% |
| Oliver | 8/10 | 5934 days | 1% |
| Pavol | 8/10 | 5934 days | 1% |
| KTinga | 8/10 | 5940 days | 1% |
| Michael | 8/10 | 5950 days | 1% |
| Gerits | 7/10 | 5982 days | 1% |
| Sluijs | 7/10 | 5986 days | 1% |
| Inga | 6/10 | 5995 days | 1% |
| Nadia | 7/10 | 6003 days | 1% |
| Naomi Horton | 7/10 | 6262 days | 1% |
| Roger Repolusk | 7/10 | 6266 days | 1% |
| Lena1 | 7/10 | 6270 days | 1% |
| Vaclaf | 8/10 | 6280 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 Whakarewarewa experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-3.23% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 73 days. However the Whakarewarewa 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 Whakarewarewa experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.18% |
| 198 | -3.19% |
| 199 | -3.21% |
| 200 | -3.23% |
| 201 | -3.24% |
| 202 | -3.26% |
| 203 | -3.27% |
| … | … |
Balancing Adjustment
3.12% 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
83%
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.