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 Dolphin Encounter Kaikoura.
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.
Dolphin Encounter Kaikoura
Valid Reviews
256 Valid Reviews
The Dolphin Encounter Kaikoura experience has a total of 258 reviews. There are 256 valid reviews that are included when calculating the ranking score and 2 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 256 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 136 |
|
53% |
| 9/10 | 75 |
|
29% |
| 8/10 | 31 |
|
12% |
| 7/10 | 13 |
|
5% |
| 6/10 | 1 |
|
0% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
92.97% Average
The raw data average (mean) for all the Dolphin Encounter Kaikoura valid reviews is 92.97% and is based on 256 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
210 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 256 valid reviews, the experience has 210 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 210 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 104 |
|
50% |
| 9/10 | 66 |
|
31% |
| 8/10 | 30 |
|
14% |
| 7/10 | 10 |
|
5% |
| 6/10 | 0 |
|
0% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
92.57% Average
The raw data average (mean) for all the Dolphin Encounter Kaikoura face-to-face reviews is 92.57% and is based on 210 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
93.16%
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 |
|---|---|---|---|
| Wil | 9/10 | 356 days | 100% |
| Lisa | 10/10 | 1055 days | 42% |
| Michael Holm | 9/10 | 2572 days | 4% |
| Stefan Zink | 10/10 | 2824 days | 3% |
| Fentrup | 9/10 | 2830 days | 3% |
| Katharina Koch | 10/10 | 2834 days | 3% |
| Aurelie and Ben Marie | 9/10 | 2836 days | 3% |
| Sebastian Braun | 9/10 | 2924 days | 3% |
| Joanne Woo | 10/10 | 2941 days | 3% |
| Chris | 6/10 | 2972 days | 3% |
| Olivier Reculeau | 10/10 | 3158 days | 3% |
| Susanne Breudel | 10/10 | 3163 days | 3% |
| Josh Legge | 10/10 | 3171 days | 3% |
| Daniel Weber | 9/10 | 3173 days | 3% |
| Virginia Fradin | 10/10 | 3177 days | 3% |
| Olivier Anciaux | 9/10 | 3180 days | 3% |
| Wendy van Boom | 10/10 | 3180 days | 3% |
| Bas Hoogteijling | 10/10 | 3183 days | 3% |
| Mira Huckfield | 10/10 | 3193 days | 3% |
| Maike Santelmann | 10/10 | 3205 days | 3% |
| Levin Stuers | 10/10 | 3210 days | 2% |
| magdalena gomez haedo | 9/10 | 3213 days | 2% |
| Lucca Weisbender | 10/10 | 3215 days | 2% |
| Anna Scholten | 10/10 | 3216 days | 2% |
| Nils Kissel | 10/10 | 3226 days | 2% |
| Madita and Lisann | 10/10 | 3262 days | 2% |
| sanneke tangel | 10/10 | 3268 days | 2% |
| Georgia Coleman | 10/10 | 3268 days | 2% |
| Virgil Spruit | 8/10 | 3272 days | 2% |
| Xue Rong Kok | 7/10 | 3277 days | 2% |
| Anthony Jacobs | 10/10 | 3399 days | 2% |
| Sofie Jebsen | 10/10 | 3542 days | 2% |
| Tobias | 10/10 | 3542 days | 2% |
| Annika Funk | 10/10 | 3578 days | 2% |
| Dawn Mulligan | 10/10 | 3594 days | 2% |
| Christophe Scieszka | 10/10 | 3611 days | 2% |
| Hubert | 8/10 | 3651 days | 2% |
| Ondrej Stepanek | 8/10 | 3887 days | 1% |
| Boneschova Jarka | 10/10 | 3887 days | 1% |
| Heike Heller | 10/10 | 3896 days | 1% |
| Andreas Mouteiro | 9/10 | 3896 days | 1% |
| Josefin Lind | 10/10 | 3897 days | 1% |
| Herman Holmgist | 10/10 | 3897 days | 1% |
| Felicitas | 9/10 | 3919 days | 1% |
| Antoine | 8/10 | 3927 days | 1% |
| Mara K | 10/10 | 3946 days | 1% |
| Emilie Chanbon | 10/10 | 3949 days | 1% |
| Alexis Redor | 10/10 | 3949 days | 1% |
| Julia Amberger | 8/10 | 3968 days | 1% |
| Annalina Drebald | 8/10 | 3968 days | 1% |
| balesdent | 9/10 | 3974 days | 1% |
| Alineet Gautier | 10/10 | 3977 days | 1% |
| Annika Schmidt | 10/10 | 4257 days | 0% |
| Patrick Stoeit | 10/10 | 4257 days | 0% |
| Audrey Ripoche | 9/10 | 4259 days | 0% |
| Rey Germain | 9/10 | 4259 days | 0% |
| Christofer Tonn | 10/10 | 4269 days | 0% |
| Ann Furlong | 10/10 | 4277 days | 0% |
| Trudy Ryan | 8/10 | 4277 days | 0% |
| Jill Fischer | 10/10 | 4283 days | 0% |
| Kim | 10/10 | 4283 days | 0% |
| Francois Marchar | 9/10 | 4293 days | 0% |
| Jan Zimmerman | 10/10 | 4298 days | 0% |
| Elvin Teo | 10/10 | 4311 days | 0% |
| Rob | 9/10 | 4359 days | 0% |
| Andreas Garbin | 10/10 | 4361 days | 0% |
| Joanna | 9/10 | 4379 days | 0% |
| Mellow | 10/10 | 4403 days | 1% |
| whalelover88 | 10/10 | 4556 days | 1% |
| Jos Schieveen | 8/10 | 4627 days | 1% |
| Goran Backlund | 9/10 | 4633 days | 1% |
| Nathan Sait | 10/10 | 4640 days | 1% |
| Toby Clark | 10/10 | 4640 days | 1% |
| Maxine Gilman | 10/10 | 4643 days | 1% |
| Harald | 9/10 | 4657 days | 1% |
| Dominik Langenegger | 9/10 | 4659 days | 1% |
| Rebecca Richardson | 9/10 | 4659 days | 1% |
| Andrew Powell | 9/10 | 4659 days | 1% |
| Peter Field | 10/10 | 4659 days | 1% |
| Eric Lombaard | 8/10 | 4660 days | 1% |
| Nicholas Prakenhammar | 10/10 | 4661 days | 1% |
| Peter Wall | 7/10 | 4661 days | 1% |
| Verne Heath | 8/10 | 4662 days | 1% |
| John O'Donnell | 10/10 | 4663 days | 1% |
| Paul Fairbrass | 10/10 | 4670 days | 1% |
| Frank Krivauek | 10/10 | 4671 days | 1% |
| Rocco Christian | 7/10 | 4671 days | 1% |
| Kurt & Noemi Buhler | 7/10 | 4672 days | 1% |
| Therese | 7/10 | 4675 days | 1% |
| Katie K | 9/10 | 4686 days | 1% |
| CMJ | 10/10 | 4708 days | 1% |
| Jacqueline | 10/10 | 4739 days | 1% |
| Marc & Pauline | 9/10 | 4745 days | 1% |
| Kevin & Chris | 9/10 | 4746 days | 1% |
| Robin & Sandra Dijke | 9/10 | 4748 days | 1% |
| Laura McCusker | 8/10 | 4755 days | 1% |
| Dexter | 10/10 | 4953 days | 1% |
| Jasmin Loeffler | 10/10 | 4959 days | 1% |
| Natascha Rachel | 10/10 | 4959 days | 1% |
| Res Kormann | 10/10 | 4972 days | 1% |
| Sarah James | 10/10 | 4982 days | 1% |
| Nick Taylor | 10/10 | 4982 days | 1% |
| Nicola Young | 10/10 | 4982 days | 1% |
| Stefan Elsenbruch | 9/10 | 4987 days | 1% |
| Stefanie | 7/10 | 4997 days | 1% |
| Koen Vanlede | 10/10 | 5000 days | 1% |
| Van Vliet | 8/10 | 5001 days | 1% |
| Vanessa Vogel | 10/10 | 5004 days | 1% |
| Marcel Camsch | 9/10 | 5006 days | 1% |
| Keely & Mark Haynes | 10/10 | 5007 days | 1% |
| Svea Sauter | 10/10 | 5007 days | 1% |
| henriket | 10/10 | 5008 days | 1% |
| Amanda Wells | 10/10 | 5008 days | 1% |
| K & J Overton | 9/10 | 5008 days | 1% |
| Jerry & Floon | 9/10 | 5012 days | 1% |
| Bartl | 10/10 | 5012 days | 1% |
| travellingfamilyof6 | 10/10 | 5014 days | 1% |
| WeddingMaven | 10/10 | 5014 days | 1% |
| Lieve Verdonck | 8/10 | 5015 days | 1% |
| Victoria Purver | 8/10 | 5017 days | 1% |
| Thelia Beament | 9/10 | 5017 days | 1% |
| Edwards | 9/10 | 5021 days | 1% |
| Mark Irwin | 9/10 | 5025 days | 1% |
| Agnes McMillan | 10/10 | 5026 days | 1% |
| Leslie | 9/10 | 5026 days | 1% |
| Selina Mueller | 10/10 | 5028 days | 1% |
| Jill Dean | 10/10 | 5029 days | 1% |
| Chloe Finster | 10/10 | 5029 days | 1% |
| Vanderhorst | 9/10 | 5030 days | 1% |
| Judith K. | 10/10 | 5032 days | 1% |
| Amanda Wallace | 9/10 | 5032 days | 1% |
| Mark Aarts | 10/10 | 5033 days | 1% |
| Forestal Youri | 9/10 | 5034 days | 1% |
| Dave and Lin Mungham | 10/10 | 5035 days | 1% |
| Jane Hancock | 10/10 | 5037 days | 1% |
| Stephi | 10/10 | 5042 days | 1% |
| Amanda | 10/10 | 5042 days | 1% |
| Mick Doherty | 9/10 | 5073 days | 1% |
| hendrik king | 7/10 | 5073 days | 1% |
| Shoe | 10/10 | 5104 days | 1% |
| marcvergroesen | 9/10 | 5318 days | 1% |
| Jenny Leyland | 9/10 | 5318 days | 1% |
| MarcyMark | 10/10 | 5348 days | 1% |
| katrina Marshall | 10/10 | 5365 days | 1% |
| Von | 9/10 | 5379 days | 1% |
| Judith | 8/10 | 5385 days | 1% |
| Doris Resch | 10/10 | 5385 days | 1% |
| Sheila Morgan | 10/10 | 5388 days | 1% |
| Maria Newton | 9/10 | 5389 days | 1% |
| Faller | 10/10 | 5402 days | 1% |
| Wim Van Gastel | 8/10 | 5405 days | 1% |
| Laura Walters | 9/10 | 5406 days | 1% |
| Chance McGuire | 10/10 | 5407 days | 1% |
| cees juffermans | 9/10 | 5420 days | 1% |
| Markus | 10/10 | 5423 days | 1% |
| Grainne Ahern | 10/10 | 5438 days | 1% |
| sutuckey | 10/10 | 5438 days | 1% |
| Honeymooners | 10/10 | 5438 days | 1% |
| sophiep | 9/10 | 5453 days | 1% |
| chuckchallenger | 10/10 | 5469 days | 1% |
| mdarras | 9/10 | 5473 days | 1% |
| joramv | 9/10 | 5473 days | 1% |
| Michelle Kraemer | 10/10 | 5476 days | 1% |
| Kimberly Skyes | 10/10 | 5476 days | 1% |
| Ruth Colmer | 9/10 | 5479 days | 1% |
| maleta | 8/10 | 5490 days | 1% |
| Simon_and_Jane_OZ | 9/10 | 5683 days | 1% |
| JoF | 10/10 | 5705 days | 1% |
| Christian Kamm | 10/10 | 5710 days | 1% |
| Michael Maddams | 7/10 | 5711 days | 1% |
| Joanna Harrnon | 10/10 | 5712 days | 1% |
| Sarah | 8/10 | 5712 days | 1% |
| David | 10/10 | 5713 days | 1% |
| jjakkeren | 9/10 | 5713 days | 1% |
| Alanna | 10/10 | 5714 days | 1% |
| ElissaH | 10/10 | 5715 days | 1% |
| Andrew Smith | 9/10 | 5719 days | 1% |
| Jean | 10/10 | 5729 days | 1% |
| CarinaB1 | 10/10 | 5734 days | 1% |
| Lindsey | 9/10 | 5744 days | 1% |
| Lisa | 10/10 | 5749 days | 1% |
| Laura | 8/10 | 5752 days | 1% |
| kiwibrit86 | 9/10 | 5754 days | 1% |
| Visken | 10/10 | 5756 days | 1% |
| Christina | 10/10 | 5761 days | 1% |
| RachaelO | 10/10 | 5763 days | 1% |
| Marianne | 10/10 | 5763 days | 1% |
| Peppa | 10/10 | 5763 days | 1% |
| Jackie | 9/10 | 5777 days | 1% |
| Patrick | 9/10 | 5777 days | 1% |
| Carla | 8/10 | 5779 days | 1% |
| Keith | 10/10 | 5784 days | 1% |
| Saskia | 9/10 | 5785 days | 1% |
| Patrick | 10/10 | 5789 days | 1% |
| Charlie | 9/10 | 5793 days | 1% |
| Ten | 10/10 | 5793 days | 1% |
| Kevin Dangerfield | 10/10 | 5802 days | 1% |
| Graham | 9/10 | 5817 days | 1% |
| David | 10/10 | 5826 days | 1% |
| Eveline | 10/10 | 5826 days | 1% |
| Mette | 10/10 | 5833 days | 1% |
| Rowan | 9/10 | 5858 days | 1% |
| Hanna | 10/10 | 5858 days | 1% |
| Sally Walker | 10/10 | 5864 days | 1% |
| abby | 10/10 | 5869 days | 1% |
| Paul | 10/10 | 5880 days | 1% |
| Peter | 10/10 | 5888 days | 1% |
| Anna | 10/10 | 5910 days | 1% |
| Liz | 9/10 | 5919 days | 1% |
| Laura | 8/10 | 5919 days | 1% |
| Amy Shields | 7/10 | 5923 days | 1% |
| Erin | 9/10 | 5931 days | 1% |
| George Burgas | 7/10 | 5937 days | 1% |
| Sharon Curly | 7/10 | 5945 days | 1% |
| Peddy | 8/10 | 5948 days | 1% |
| Christine | 9/10 | 5961 days | 1% |
| Charlie Bond | 8/10 | 5994 days | 1% |
| SandyS | 10/10 | 6048 days | 1% |
| BexStar | 10/10 | 6061 days | 1% |
| Galen | 9/10 | 6079 days | 1% |
| Monica Black | 10/10 | 6079 days | 1% |
| Denise | 10/10 | 6096 days | 1% |
| Ria | 9/10 | 6100 days | 1% |
| Christian | 7/10 | 6100 days | 1% |
| Wiebke | 9/10 | 6104 days | 1% |
| Phil Connelly | 9/10 | 6105 days | 1% |
| Amanda | 9/10 | 6111 days | 1% |
| Erwin de Kleijn | 9/10 | 6118 days | 1% |
| Nick | 10/10 | 6127 days | 1% |
| John | 9/10 | 6127 days | 1% |
| Sandra Gustafson | 10/10 | 6155 days | 1% |
| Jo | 10/10 | 6155 days | 1% |
| Helena | 10/10 | 6156 days | 1% |
| Seldam | 8/10 | 6161 days | 1% |
| Andrew Purdam | 7/10 | 6169 days | 1% |
| Gerber Liselotte | 10/10 | 6187 days | 1% |
| Gabriela Herger | 8/10 | 6195 days | 1% |
| Jane Coleman | 8/10 | 6198 days | 1% |
| Wendy Williams | 9/10 | 6205 days | 1% |
| Claire | 8/10 | 6429 days | 1% |
| Will | 9/10 | 6429 days | 1% |
| JanKovar | 10/10 | 6431 days | 1% |
| Justin | 10/10 | 6434 days | 1% |
| Beth | 9/10 | 6440 days | 1% |
| Hanneke | 9/10 | 6441 days | 1% |
| Cat | 8/10 | 6443 days | 1% |
| MartinTrenker | 9/10 | 6449 days | 1% |
| Janneke | 10/10 | 6450 days | 1% |
| Renee | 9/10 | 6453 days | 1% |
| Elke | 8/10 | 6468 days | 1% |
| Malon | 10/10 | 6469 days | 1% |
| Ralph | 10/10 | 6478 days | 1% |
| Lucy | 10/10 | 6478 days | 1% |
| Gordon | 8/10 | 6490 days | 1% |
| Beate | 9/10 | 6491 days | 1% |
| MartinJago | 8/10 | 6502 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 Dolphin Encounter Kaikoura experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-4.05% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 43 days. However the Dolphin Encounter Kaikoura 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 Dolphin Encounter Kaikoura experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.99% |
| 198 | -4.01% |
| 199 | -4.03% |
| 200 | -4.05% |
| 201 | -4.07% |
| 202 | -4.09% |
| 203 | -4.11% |
| … | … |
Balancing Adjustment
1.13% 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
90%
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.