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
82.84%
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 | 490 days | 100% |
| Amy Lord | 10/10 | 2626 days | 4% |
| Chloe B | 8/10 | 2649 days | 4% |
| Richard | 10/10 | 2705 days | 3% |
| Anis Quentin | 9/10 | 2714 days | 3% |
| Dorthe Soeholm | 9/10 | 2986 days | 3% |
| Theerada Wongkaew | 10/10 | 3025 days | 3% |
| Joonas Lehtomaki | 9/10 | 3030 days | 3% |
| Jonathan Verschuuren | 8/10 | 3031 days | 3% |
| Laura David | 9/10 | 3033 days | 3% |
| Michael | 10/10 | 3034 days | 3% |
| Anne | 8/10 | 3034 days | 3% |
| Heyuuiutha Lokithas | 7/10 | 3036 days | 3% |
| Philip Sheridan | 7/10 | 3042 days | 3% |
| Sandra Reynders | 8/10 | 3043 days | 3% |
| Colin George | 10/10 | 3044 days | 3% |
| Alexandra Luerner | 10/10 | 3046 days | 3% |
| Frank Bien | 10/10 | 3046 days | 3% |
| Felicity Ford | 7/10 | 3047 days | 2% |
| Louis Nilsson | 10/10 | 3052 days | 3% |
| Gilbert Baptiste | 6/10 | 3052 days | 2% |
| Emilie Bavard | 6/10 | 3052 days | 2% |
| Barbara | 10/10 | 3061 days | 3% |
| Paul Tysoe | 8/10 | 3069 days | 3% |
| Jessica Nasstrom | 6/10 | 3075 days | 2% |
| ben carroll | 10/10 | 3075 days | 3% |
| Eveline | 8/10 | 3085 days | 3% |
| Henry Ang | 7/10 | 3136 days | 2% |
| Michelle Smit | 9/10 | 3198 days | 2% |
| Gesa Roemer | 4/10 | 3297 days | 1% |
| Gerbrand Smidt | 9/10 | 3304 days | 2% |
| Silvia | 5/10 | 3307 days | 2% |
| Jennifer Nguyen | 8/10 | 3315 days | 2% |
| Robin Stamm | 8/10 | 3315 days | 2% |
| Jonathan Foskett | 6/10 | 3316 days | 2% |
| Clara Guinard | 7/10 | 3318 days | 2% |
| Hannes | 9/10 | 3319 days | 2% |
| John and Jan | 9/10 | 3323 days | 2% |
| Adrienne Hoet | 6/10 | 3324 days | 2% |
| Benoit Leclerc | 7/10 | 3336 days | 2% |
| Raul Ellermann | 6/10 | 3341 days | 2% |
| Catharina Cuntz | 6/10 | 3356 days | 2% |
| Klaas Huis | 8/10 | 3357 days | 2% |
| Maxima Buisan | 7/10 | 3362 days | 2% |
| Niels Hoogendooen | 6/10 | 3364 days | 2% |
| Martina | 9/10 | 3371 days | 2% |
| Martin Bakker | 9/10 | 3399 days | 2% |
| Elisabeth Ringswandl | 9/10 | 3675 days | 1% |
| Thomas Haslbeck | 8/10 | 3675 days | 1% |
| Miriam Burchartz | 10/10 | 3676 days | 1% |
| Leonie Jennings | 9/10 | 3720 days | 1% |
| Trevor Wichman | 8/10 | 3720 days | 1% |
| Sibylle and Nadine | 9/10 | 3768 days | 1% |
| Anne Courtenay | 8/10 | 4059 days | 0% |
| Friederike Kranzin | 10/10 | 4059 days | 0% |
| Amanda | 9/10 | 4062 days | 0% |
| Derek | 8/10 | 4062 days | 0% |
| Juliane | 10/10 | 4064 days | 0% |
| Hannah | 8/10 | 4064 days | 0% |
| Dan Lawson | 10/10 | 4092 days | 0% |
| Henry Thiel | 3/10 | 4092 days | 0% |
| Sina Sacranie | 10/10 | 4092 days | 0% |
| Julia Bonisch | 8/10 | 4095 days | 0% |
| Rupert | 9/10 | 4106 days | 0% |
| Dupont | 7/10 | 4423 days | 1% |
| David Lee | 8/10 | 4429 days | 1% |
| Henrik Steinruecken | 6/10 | 4489 days | 1% |
| Wenmechers | 8/10 | 4497 days | 1% |
| Martin Thomas | 9/10 | 4499 days | 1% |
| Paul Lawrence | 8/10 | 4505 days | 1% |
| Gary Brooks | 8/10 | 4507 days | 1% |
| Marian | 7/10 | 4509 days | 1% |
| Adam Hassan | 9/10 | 4512 days | 1% |
| Gerard van de Ven | 9/10 | 4512 days | 1% |
| Lutz Huuemorder | 8/10 | 4513 days | 1% |
| Julie Lamart | 9/10 | 4516 days | 1% |
| Shannon Taylor | 7/10 | 4516 days | 1% |
| Kerstin | 8/10 | 4522 days | 1% |
| Denny | 10/10 | 4629 days | 1% |
| Petr Stepanek | 10/10 | 4774 days | 1% |
| Sebastian Hol | 5/10 | 4778 days | 1% |
| Jochem Snyders | 9/10 | 4785 days | 1% |
| Vitek | 8/10 | 4786 days | 1% |
| Daniel | 7/10 | 4786 days | 1% |
| Carolin Haas | 5/10 | 4792 days | 1% |
| Pierre Boulanger | 9/10 | 4794 days | 1% |
| Dave Simpson | 7/10 | 4796 days | 1% |
| Monica | 10/10 | 4797 days | 1% |
| Mags Adams | 9/10 | 4797 days | 1% |
| Hardy | 10/10 | 4797 days | 1% |
| Nelly & Lisa | 8/10 | 4798 days | 1% |
| Lepied | 7/10 | 4798 days | 1% |
| Graeme E | 9/10 | 4802 days | 1% |
| Colin Philpott | 9/10 | 4804 days | 1% |
| Kim Thorsted | 7/10 | 4805 days | 1% |
| R Laurysen | 7/10 | 4808 days | 1% |
| Corv V D Hof | 8/10 | 4808 days | 1% |
| Anika | 7/10 | 4810 days | 1% |
| Lilja Bjork Hermannsdottir | 9/10 | 4810 days | 1% |
| Remy van Heugten | 6/10 | 4810 days | 1% |
| Stefan Roehrbein | 8/10 | 4811 days | 1% |
| J Knol | 8/10 | 4837 days | 1% |
| Niels Daubjerg | 9/10 | 4874 days | 1% |
| Peter, Noelle & Susanne | 7/10 | 4876 days | 1% |
| Rebecca & Hugh Small | 5/10 | 4883 days | 1% |
| David & Mary-Jane Ryder | 9/10 | 4885 days | 1% |
| Caroline | 8/10 | 4887 days | 1% |
| Erik Folkersen | 8/10 | 4887 days | 1% |
| Wolfgang Goggel | 10/10 | 4887 days | 1% |
| Leif Sorensen | 8/10 | 4887 days | 1% |
| Andy Lever | 8/10 | 4888 days | 1% |
| Rudy Witt | 7/10 | 4889 days | 1% |
| Matthys van den Heuuel | 7/10 | 4893 days | 1% |
| Robin van der Linden | 8/10 | 5099 days | 1% |
| Petra | 10/10 | 5111 days | 1% |
| Karin & Bastiaan | 8/10 | 5112 days | 1% |
| Kris Gijbels | 9/10 | 5126 days | 1% |
| Danielle | 6/10 | 5126 days | 1% |
| Nathalie | 3/10 | 5132 days | 0% |
| Nicola Thackray | 8/10 | 5135 days | 1% |
| Strieson | 7/10 | 5149 days | 1% |
| Ini & Cees | 7/10 | 5150 days | 1% |
| Peter | 7/10 | 5153 days | 1% |
| Mark Leeuwenburgh | 8/10 | 5153 days | 1% |
| Angela | 9/10 | 5164 days | 1% |
| Eva Weichs | 7/10 | 5166 days | 1% |
| Nicole | 5/10 | 5167 days | 1% |
| Rossiter | 9/10 | 5169 days | 1% |
| Derek Woodward | 10/10 | 5170 days | 1% |
| Elinor Bell | 1/10 | 5171 days | 0% |
| Robin Schomburg | 10/10 | 5173 days | 1% |
| Katrin & Mark | 7/10 | 5176 days | 1% |
| Claudia | 8/10 | 5440 days | 1% |
| krisevelyn | 4/10 | 5452 days | 0% |
| Richard Spore | 9/10 | 5500 days | 1% |
| Mike Peirce | 8/10 | 5507 days | 1% |
| Venot | 8/10 | 5516 days | 1% |
| Christen Hans | 4/10 | 5527 days | 0% |
| Jamie Hallifax | 8/10 | 5532 days | 1% |
| Emily Walters | 8/10 | 5539 days | 1% |
| Ines Diana | 5/10 | 5540 days | 1% |
| Wolfgang G | 10/10 | 5547 days | 1% |
| mariekef | 8/10 | 5587 days | 1% |
| selinab | 7/10 | 5596 days | 1% |
| Peter Essink | 7/10 | 5605 days | 1% |
| Karin Linder | 8/10 | 5607 days | 1% |
| Helen Pet | 8/10 | 5611 days | 1% |
| Richard Kesteleyn | 2/10 | 5611 days | 0% |
| Solveig Mosinski | 8/10 | 5615 days | 1% |
| Christine Van Den Berg Michele Imbach | 10/10 | 5626 days | 1% |
| Wim Put | 8/10 | 5629 days | 1% |
| eowyn2k | 3/10 | 5633 days | 0% |
| skorn | 7/10 | 5727 days | 1% |
| SSheil | 7/10 | 5835 days | 1% |
| UlaR | 10/10 | 5839 days | 1% |
| straw64 | 8/10 | 5847 days | 1% |
| dieteru | 8/10 | 5847 days | 1% |
| Sarah_rae | 8/10 | 5863 days | 1% |
| Gerd Hebbel | 6/10 | 5863 days | 1% |
| Mick | 7/10 | 5863 days | 1% |
| Jasmin | 9/10 | 5877 days | 1% |
| Stefau | 7/10 | 5877 days | 1% |
| MrHebbard | 6/10 | 5880 days | 1% |
| siemen | 2/10 | 5888 days | 0% |
| Van Dam | 7/10 | 5909 days | 1% |
| Gunhild | 8/10 | 5911 days | 1% |
| Oliver | 8/10 | 5911 days | 1% |
| Pavol | 8/10 | 5911 days | 1% |
| KTinga | 8/10 | 5918 days | 1% |
| Michael | 8/10 | 5927 days | 1% |
| Gerits | 7/10 | 5959 days | 1% |
| Sluijs | 7/10 | 5964 days | 1% |
| Inga | 6/10 | 5973 days | 1% |
| Nadia | 7/10 | 5980 days | 1% |
| Naomi Horton | 7/10 | 6240 days | 1% |
| Roger Repolusk | 7/10 | 6244 days | 1% |
| Lena1 | 7/10 | 6247 days | 1% |
| Vaclaf | 8/10 | 6258 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
-3.68% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 61 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 | -3.63% |
| 198 | -3.65% |
| 199 | -3.66% |
| 200 | -3.68% |
| 201 | -3.70% |
| 202 | -3.72% |
| 203 | -3.74% |
| … | … |
Balancing Adjustment
3.24% 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
82%
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.