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 Fox Glacier Guiding.
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.
Fox Glacier Guiding
Valid Reviews
212 Valid Reviews
The Fox Glacier Guiding experience has a total of 212 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 212 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 71 |
|
33% |
| 9/10 | 52 |
|
25% |
| 8/10 | 54 |
|
25% |
| 7/10 | 18 |
|
8% |
| 6/10 | 7 |
|
3% |
| 5/10 | 3 |
|
1% |
| 4/10 | 6 |
|
3% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 1 |
|
0% |
85.75% Average
The raw data average (mean) for all the Fox Glacier Guiding valid reviews is 85.75% and is based on 212 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
185 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 212 valid reviews, the experience has 185 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 185 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 57 |
|
31% |
| 9/10 | 47 |
|
25% |
| 8/10 | 51 |
|
28% |
| 7/10 | 17 |
|
9% |
| 6/10 | 7 |
|
4% |
| 5/10 | 2 |
|
1% |
| 4/10 | 4 |
|
2% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
85.84% Average
The raw data average (mean) for all the Fox Glacier Guiding face-to-face reviews is 85.84% and is based on 185 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
88.58%
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 |
|---|---|---|---|
| Ingrid | 10/10 | 1333 days | 100% |
| Mona Uttendorf | 10/10 | 3013 days | 14% |
| Sebastian Braun | 10/10 | 3018 days | 14% |
| Tanya Davies | 10/10 | 3067 days | 14% |
| Danielle Stam | 7/10 | 3321 days | 10% |
| Carmen | 10/10 | 3637 days | 8% |
| Claudia Hillebrand | 4/10 | 3985 days | 3% |
| Max Backelandt | 9/10 | 3991 days | 4% |
| Marie Toulemonde | 10/10 | 3991 days | 4% |
| Mark | 7/10 | 3994 days | 4% |
| Daniel Robledo | 8/10 | 4013 days | 4% |
| Maria Camen Santos Lopez | 9/10 | 4013 days | 4% |
| Mara | 9/10 | 4014 days | 4% |
| Andrea Morello | 7/10 | 4014 days | 3% |
| Maria = Moller Hansen | 9/10 | 4023 days | 4% |
| Simon Tanguy | 9/10 | 4031 days | 4% |
| Gassat | 4/10 | 4034 days | 2% |
| Lena Jensen | 9/10 | 4047 days | 3% |
| Jesper Andersen | 9/10 | 4047 days | 3% |
| Claire Lieval | 9/10 | 4059 days | 3% |
| Pioter Jurkowski | 7/10 | 4071 days | 3% |
| Jesse Farrell | 8/10 | 4080 days | 3% |
| Philipp Haass | 6/10 | 4080 days | 3% |
| Chantal | 10/10 | 4084 days | 3% |
| Ken S | 10/10 | 4102 days | 3% |
| Ron Stenhouse | 6/10 | 4346 days | 0% |
| Elizabeth Stenhouse | 8/10 | 4346 days | 0% |
| Andreas Jarvel | 9/10 | 4360 days | 0% |
| Pete Wilson | 4/10 | 4363 days | 0% |
| Marcel | 7/10 | 4370 days | 0% |
| Maria | 8/10 | 4370 days | 0% |
| Clare Cannon | 8/10 | 4387 days | 5% |
| Sara Omary | 9/10 | 4387 days | 5% |
| S M | 10/10 | 4405 days | 5% |
| Alison Langley | 8/10 | 4449 days | 5% |
| Liam Day | 9/10 | 4453 days | 5% |
| Martyn Kool | 8/10 | 4453 days | 5% |
| Michael Kretzschmar | 9/10 | 4453 days | 5% |
| Marieke | 9/10 | 4453 days | 5% |
| Kevin Desjandino | 10/10 | 4454 days | 5% |
| Sharon Yates | 10/10 | 4455 days | 5% |
| Frans Derks | 8/10 | 4460 days | 5% |
| Alexandra van den Brack | 8/10 | 4464 days | 5% |
| Frank and Suzanne | 8/10 | 4467 days | 5% |
| Erik Funk | 8/10 | 4474 days | 5% |
| tanyap | 4/10 | 4497 days | 3% |
| Rob Klauer | 8/10 | 4730 days | 5% |
| Petr Stepanek | 7/10 | 4734 days | 5% |
| Alan Brady | 9/10 | 4739 days | 5% |
| sidcupjon | 9/10 | 4742 days | 5% |
| Robert & Bridget Holden | 8/10 | 4751 days | 5% |
| Vincent & Lian | 9/10 | 4752 days | 5% |
| Stam | 9/10 | 4753 days | 5% |
| Tim & Judith | 8/10 | 4754 days | 5% |
| Rob Gill | 10/10 | 4755 days | 5% |
| Cindy & Glen Kerunsky | 10/10 | 4758 days | 5% |
| R Seiferling | 10/10 | 4763 days | 5% |
| Ursi Meier | 9/10 | 4765 days | 5% |
| Thomas Krause | 8/10 | 4765 days | 5% |
| Hugo ten Brink | 8/10 | 4769 days | 5% |
| kiwifrenchy | 10/10 | 4771 days | 5% |
| Katja Klein | 9/10 | 4816 days | 5% |
| Judith | 8/10 | 4822 days | 5% |
| damaca | 10/10 | 4863 days | 5% |
| KarenW | 10/10 | 4924 days | 5% |
| neilqecosse | 9/10 | 4924 days | 5% |
| MeganJane_85 | 1/10 | 5047 days | 2% |
| Marcus | 9/10 | 5067 days | 5% |
| Lisa Milton | 10/10 | 5070 days | 5% |
| Ken Talan | 10/10 | 5073 days | 5% |
| Alita Smith | 9/10 | 5080 days | 5% |
| Leroy Dimitri | 10/10 | 5090 days | 5% |
| Mr & Mrs Palmer | 9/10 | 5094 days | 5% |
| Sayaka | 10/10 | 5094 days | 5% |
| Stoop | 8/10 | 5094 days | 5% |
| Jacob | 9/10 | 5095 days | 5% |
| Maike | 9/10 | 5096 days | 5% |
| Kauzta | 10/10 | 5096 days | 5% |
| Laura Malins | 8/10 | 5098 days | 5% |
| K & J Overton | 8/10 | 5102 days | 5% |
| Betten | 10/10 | 5107 days | 5% |
| taniadeanryanbrittany | 8/10 | 5108 days | 5% |
| Nicolas | 7/10 | 5109 days | 5% |
| Lenore Dejong | 9/10 | 5110 days | 5% |
| Manu & Gabi | 10/10 | 5113 days | 5% |
| Laura Hayes | 10/10 | 5123 days | 5% |
| Maite Severins | 7/10 | 5127 days | 5% |
| Helen Keighley | 10/10 | 5128 days | 5% |
| Ryan Tull | 10/10 | 5131 days | 5% |
| Calvin Parsons | 8/10 | 5136 days | 5% |
| Christian Foerster | 7/10 | 5136 days | 5% |
| Kristie | 10/10 | 5159 days | 5% |
| elpo | 9/10 | 5381 days | 5% |
| Baumgarten | 8/10 | 5409 days | 5% |
| Stephen M | 7/10 | 5454 days | 5% |
| Corine van Been | 8/10 | 5455 days | 5% |
| s_butler | 10/10 | 5461 days | 5% |
| Benedict Fluthman | 6/10 | 5463 days | 4% |
| Peter Schmidt | 5/10 | 5473 days | 4% |
| Nicky and Andy Prescott | 10/10 | 5475 days | 5% |
| Jackie | 9/10 | 5492 days | 5% |
| Vincente Garrido | 8/10 | 5496 days | 5% |
| Keith Wilde | 10/10 | 5496 days | 5% |
| Ian E | 8/10 | 5497 days | 5% |
| kate | 5/10 | 5498 days | 4% |
| Rob | 8/10 | 5499 days | 5% |
| emily walters | 10/10 | 5501 days | 5% |
| Peter Ortner | 9/10 | 5510 days | 5% |
| Nigel Armstrong | 10/10 | 5512 days | 5% |
| Grainne Ahern | 4/10 | 5532 days | 3% |
| Chidlebyte | 10/10 | 5532 days | 5% |
| gabei | 7/10 | 5547 days | 5% |
| mariak | 7/10 | 5549 days | 5% |
| marijad | 10/10 | 5551 days | 5% |
| Paul Nugent | 8/10 | 5563 days | 5% |
| Misha | 10/10 | 5563 days | 5% |
| Alan Riley | 8/10 | 5575 days | 5% |
| Ann Riley | 8/10 | 5575 days | 5% |
| Eimear Doyle | 9/10 | 5575 days | 5% |
| MV Vroenhoven | 10/10 | 5578 days | 5% |
| Sara Reekmans | 9/10 | 5586 days | 5% |
| Emily and Alex | 9/10 | 5590 days | 5% |
| neilchelt | 10/10 | 5593 days | 5% |
| jank | 10/10 | 5654 days | 5% |
| alanvn | 9/10 | 5676 days | 5% |
| bogaard | 10/10 | 5689 days | 5% |
| lorah | 10/10 | 5697 days | 5% |
| joevw | 9/10 | 5762 days | 5% |
| OliverG1 | 8/10 | 5795 days | 5% |
| Tim_P | 6/10 | 5804 days | 4% |
| Nathalie | 8/10 | 5804 days | 5% |
| Sofie | 9/10 | 5807 days | 5% |
| ElissaH | 10/10 | 5809 days | 5% |
| KjellR | 9/10 | 5809 days | 5% |
| BonnieH | 9/10 | 5809 days | 5% |
| CharityW | 8/10 | 5809 days | 5% |
| Paul | 10/10 | 5811 days | 5% |
| eskim1018 | 9/10 | 5819 days | 5% |
| ChrisD | 10/10 | 5823 days | 5% |
| Christian Moll | 9/10 | 5823 days | 5% |
| david | 10/10 | 5823 days | 5% |
| Doll | 10/10 | 5831 days | 5% |
| A | 10/10 | 5839 days | 5% |
| Tolsten | 10/10 | 5839 days | 5% |
| GaryW | 8/10 | 5842 days | 5% |
| ElizabethF | 9/10 | 5842 days | 5% |
| Claudia | 4/10 | 5844 days | 3% |
| Jason | 7/10 | 5846 days | 5% |
| John | 8/10 | 5849 days | 5% |
| Hans | 8/10 | 5856 days | 5% |
| Carly | 7/10 | 5858 days | 5% |
| Jeffrey C | 10/10 | 5866 days | 5% |
| SueB | 10/10 | 5866 days | 5% |
| Dalit | 10/10 | 5873 days | 5% |
| Jon | 10/10 | 5878 days | 5% |
| Kathrin | 9/10 | 5880 days | 5% |
| Oliver | 8/10 | 5882 days | 5% |
| Patrick | 8/10 | 5884 days | 5% |
| Andrew | 8/10 | 5884 days | 5% |
| Graham | 6/10 | 5893 days | 4% |
| Maria | 10/10 | 5920 days | 5% |
| Jordi | 6/10 | 5928 days | 4% |
| nicole | 10/10 | 5930 days | 5% |
| Rowan | 9/10 | 5953 days | 5% |
| abby | 9/10 | 5964 days | 5% |
| Andrew | 9/10 | 5974 days | 5% |
| Anna | 10/10 | 6005 days | 5% |
| Atsuko | 8/10 | 6014 days | 5% |
| Trina | 10/10 | 6032 days | 5% |
| Terri Scott | 10/10 | 6043 days | 5% |
| Brian | 10/10 | 6056 days | 5% |
| Wolfgang | 8/10 | 6080 days | 5% |
| Gorka Rojas | 9/10 | 6080 days | 5% |
| Ashlee Roberts | 10/10 | 6104 days | 5% |
| Corin Kraft | 10/10 | 6149 days | 5% |
| Anke | 9/10 | 6157 days | 5% |
| Olga | 7/10 | 6173 days | 5% |
| Ben | 8/10 | 6178 days | 5% |
| Chris | 7/10 | 6184 days | 5% |
| Elizabeth Woodruff | 5/10 | 6187 days | 4% |
| Sandra Verbaarschot | 10/10 | 6187 days | 5% |
| Denise | 10/10 | 6190 days | 5% |
| Lisa Jones | 10/10 | 6194 days | 5% |
| Richard Anthony | 8/10 | 6194 days | 5% |
| Renske Tehurne | 8/10 | 6198 days | 5% |
| Robert | 10/10 | 6199 days | 5% |
| Elise | 10/10 | 6199 days | 5% |
| Fung | 10/10 | 6199 days | 5% |
| Omri Hasson | 9/10 | 6204 days | 5% |
| Aharon | 10/10 | 6205 days | 5% |
| Sue | 8/10 | 6211 days | 5% |
| Ondrej Kacena | 8/10 | 6218 days | 5% |
| Laurie | 8/10 | 6218 days | 5% |
| Eric P | 10/10 | 6226 days | 5% |
| Alex | 8/10 | 6235 days | 5% |
| Natalie | 10/10 | 6247 days | 5% |
| Paul Cowie | 7/10 | 6282 days | 5% |
| Ard | 8/10 | 6282 days | 5% |
| Gabriel Faber | 8/10 | 6282 days | 5% |
| Michael | 8/10 | 6292 days | 5% |
| purplekat99 | 8/10 | 6294 days | 5% |
| Wendy Williams | 9/10 | 6299 days | 5% |
| MrsWesley | 6/10 | 6534 days | 4% |
| John | 7/10 | 6540 days | 5% |
| Heike | 9/10 | 6547 days | 5% |
| Colin Sinclair | 10/10 | 6548 days | 5% |
| Angela Shearer | 8/10 | 6548 days | 5% |
| Loic | 9/10 | 6572 days | 5% |
| Reggie | 9/10 | 6573 days | 5% |
| FluerBlum | 8/10 | 6585 days | 5% |
| Hermann | 10/10 | 6586 days | 5% |
| Franz-Josef | 9/10 | 6589 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 Fox Glacier Guiding experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-4.13% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 54 days. However the Fox Glacier Guiding 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 Fox Glacier Guiding experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -4.07% |
| 198 | -4.09% |
| 199 | -4.11% |
| 200 | -4.13% |
| 201 | -4.16% |
| 202 | -4.18% |
| 203 | -4.20% |
| … | … |
Balancing Adjustment
1.93% 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
86%
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.