Kia ora, 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
93.22%
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 | 310 days | 100% |
| Lisa | 10/10 | 1009 days | 46% |
| Michael Holm | 9/10 | 2526 days | 4% |
| Stefan Zink | 10/10 | 2778 days | 3% |
| Fentrup | 9/10 | 2784 days | 3% |
| Katharina Koch | 10/10 | 2788 days | 3% |
| Aurelie and Ben Marie | 9/10 | 2790 days | 3% |
| Sebastian Braun | 9/10 | 2878 days | 3% |
| Joanne Woo | 10/10 | 2895 days | 3% |
| Chris | 6/10 | 2926 days | 3% |
| Olivier Reculeau | 10/10 | 3112 days | 3% |
| Susanne Breudel | 10/10 | 3117 days | 3% |
| Josh Legge | 10/10 | 3125 days | 3% |
| Daniel Weber | 9/10 | 3127 days | 3% |
| Virginia Fradin | 10/10 | 3131 days | 3% |
| Olivier Anciaux | 9/10 | 3134 days | 3% |
| Wendy van Boom | 10/10 | 3134 days | 3% |
| Bas Hoogteijling | 10/10 | 3137 days | 3% |
| Mira Huckfield | 10/10 | 3147 days | 3% |
| Maike Santelmann | 10/10 | 3159 days | 3% |
| Levin Stuers | 10/10 | 3164 days | 2% |
| magdalena gomez haedo | 9/10 | 3167 days | 2% |
| Lucca Weisbender | 10/10 | 3169 days | 2% |
| Anna Scholten | 10/10 | 3170 days | 2% |
| Nils Kissel | 10/10 | 3180 days | 2% |
| Madita and Lisann | 10/10 | 3216 days | 2% |
| sanneke tangel | 10/10 | 3222 days | 2% |
| Georgia Coleman | 10/10 | 3222 days | 2% |
| Virgil Spruit | 8/10 | 3226 days | 2% |
| Xue Rong Kok | 7/10 | 3231 days | 2% |
| Anthony Jacobs | 10/10 | 3353 days | 2% |
| Sofie Jebsen | 10/10 | 3496 days | 2% |
| Tobias | 10/10 | 3496 days | 2% |
| Annika Funk | 10/10 | 3532 days | 2% |
| Dawn Mulligan | 10/10 | 3548 days | 2% |
| Christophe Scieszka | 10/10 | 3565 days | 2% |
| Hubert | 8/10 | 3605 days | 2% |
| Ondrej Stepanek | 8/10 | 3841 days | 1% |
| Boneschova Jarka | 10/10 | 3841 days | 1% |
| Heike Heller | 10/10 | 3850 days | 1% |
| Andreas Mouteiro | 9/10 | 3850 days | 1% |
| Josefin Lind | 10/10 | 3851 days | 1% |
| Herman Holmgist | 10/10 | 3851 days | 1% |
| Felicitas | 9/10 | 3873 days | 1% |
| Antoine | 8/10 | 3881 days | 1% |
| Mara K | 10/10 | 3900 days | 1% |
| Emilie Chanbon | 10/10 | 3903 days | 1% |
| Alexis Redor | 10/10 | 3903 days | 1% |
| Julia Amberger | 8/10 | 3922 days | 1% |
| Annalina Drebald | 8/10 | 3922 days | 1% |
| balesdent | 9/10 | 3928 days | 1% |
| Alineet Gautier | 10/10 | 3931 days | 1% |
| Annika Schmidt | 10/10 | 4211 days | 0% |
| Patrick Stoeit | 10/10 | 4211 days | 0% |
| Audrey Ripoche | 9/10 | 4213 days | 0% |
| Rey Germain | 9/10 | 4213 days | 0% |
| Christofer Tonn | 10/10 | 4223 days | 0% |
| Ann Furlong | 10/10 | 4231 days | 0% |
| Trudy Ryan | 8/10 | 4231 days | 0% |
| Jill Fischer | 10/10 | 4237 days | 0% |
| Kim | 10/10 | 4237 days | 0% |
| Francois Marchar | 9/10 | 4247 days | 0% |
| Jan Zimmerman | 10/10 | 4252 days | 0% |
| Elvin Teo | 10/10 | 4265 days | 0% |
| Rob | 9/10 | 4313 days | 0% |
| Andreas Garbin | 10/10 | 4315 days | 0% |
| Joanna | 9/10 | 4333 days | 0% |
| Mellow | 10/10 | 4357 days | 0% |
| whalelover88 | 10/10 | 4510 days | 1% |
| Jos Schieveen | 8/10 | 4581 days | 1% |
| Goran Backlund | 9/10 | 4587 days | 1% |
| Nathan Sait | 10/10 | 4594 days | 1% |
| Toby Clark | 10/10 | 4594 days | 1% |
| Maxine Gilman | 10/10 | 4597 days | 1% |
| Harald | 9/10 | 4611 days | 1% |
| Dominik Langenegger | 9/10 | 4613 days | 1% |
| Rebecca Richardson | 9/10 | 4613 days | 1% |
| Andrew Powell | 9/10 | 4613 days | 1% |
| Peter Field | 10/10 | 4613 days | 1% |
| Eric Lombaard | 8/10 | 4614 days | 1% |
| Nicholas Prakenhammar | 10/10 | 4615 days | 1% |
| Peter Wall | 7/10 | 4615 days | 1% |
| Verne Heath | 8/10 | 4616 days | 1% |
| John O'Donnell | 10/10 | 4617 days | 1% |
| Paul Fairbrass | 10/10 | 4624 days | 1% |
| Frank Krivauek | 10/10 | 4625 days | 1% |
| Rocco Christian | 7/10 | 4625 days | 1% |
| Kurt & Noemi Buhler | 7/10 | 4626 days | 1% |
| Therese | 7/10 | 4629 days | 1% |
| Katie K | 9/10 | 4640 days | 1% |
| CMJ | 10/10 | 4662 days | 1% |
| Jacqueline | 10/10 | 4693 days | 1% |
| Marc & Pauline | 9/10 | 4699 days | 1% |
| Kevin & Chris | 9/10 | 4700 days | 1% |
| Robin & Sandra Dijke | 9/10 | 4702 days | 1% |
| Laura McCusker | 8/10 | 4709 days | 1% |
| Dexter | 10/10 | 4907 days | 1% |
| Jasmin Loeffler | 10/10 | 4913 days | 1% |
| Natascha Rachel | 10/10 | 4913 days | 1% |
| Res Kormann | 10/10 | 4926 days | 1% |
| Sarah James | 10/10 | 4936 days | 1% |
| Nick Taylor | 10/10 | 4936 days | 1% |
| Nicola Young | 10/10 | 4936 days | 1% |
| Stefan Elsenbruch | 9/10 | 4941 days | 1% |
| Stefanie | 7/10 | 4951 days | 1% |
| Koen Vanlede | 10/10 | 4954 days | 1% |
| Van Vliet | 8/10 | 4955 days | 1% |
| Vanessa Vogel | 10/10 | 4958 days | 1% |
| Marcel Camsch | 9/10 | 4960 days | 1% |
| Keely & Mark Haynes | 10/10 | 4961 days | 1% |
| Svea Sauter | 10/10 | 4961 days | 1% |
| henriket | 10/10 | 4962 days | 1% |
| Amanda Wells | 10/10 | 4962 days | 1% |
| K & J Overton | 9/10 | 4962 days | 1% |
| Jerry & Floon | 9/10 | 4966 days | 1% |
| Bartl | 10/10 | 4966 days | 1% |
| travellingfamilyof6 | 10/10 | 4968 days | 1% |
| WeddingMaven | 10/10 | 4968 days | 1% |
| Lieve Verdonck | 8/10 | 4969 days | 1% |
| Victoria Purver | 8/10 | 4971 days | 1% |
| Thelia Beament | 9/10 | 4971 days | 1% |
| Edwards | 9/10 | 4975 days | 1% |
| Mark Irwin | 9/10 | 4979 days | 1% |
| Agnes McMillan | 10/10 | 4980 days | 1% |
| Leslie | 9/10 | 4980 days | 1% |
| Selina Mueller | 10/10 | 4982 days | 1% |
| Jill Dean | 10/10 | 4983 days | 1% |
| Chloe Finster | 10/10 | 4983 days | 1% |
| Vanderhorst | 9/10 | 4984 days | 1% |
| Judith K. | 10/10 | 4986 days | 1% |
| Amanda Wallace | 9/10 | 4986 days | 1% |
| Mark Aarts | 10/10 | 4987 days | 1% |
| Forestal Youri | 9/10 | 4988 days | 1% |
| Dave and Lin Mungham | 10/10 | 4989 days | 1% |
| Jane Hancock | 10/10 | 4991 days | 1% |
| Stephi | 10/10 | 4996 days | 1% |
| Amanda | 10/10 | 4996 days | 1% |
| Mick Doherty | 9/10 | 5027 days | 1% |
| hendrik king | 7/10 | 5027 days | 1% |
| Shoe | 10/10 | 5058 days | 1% |
| marcvergroesen | 9/10 | 5272 days | 1% |
| Jenny Leyland | 9/10 | 5272 days | 1% |
| MarcyMark | 10/10 | 5302 days | 1% |
| katrina Marshall | 10/10 | 5319 days | 1% |
| Von | 9/10 | 5333 days | 1% |
| Judith | 8/10 | 5339 days | 1% |
| Doris Resch | 10/10 | 5339 days | 1% |
| Sheila Morgan | 10/10 | 5342 days | 1% |
| Maria Newton | 9/10 | 5343 days | 1% |
| Faller | 10/10 | 5356 days | 1% |
| Wim Van Gastel | 8/10 | 5359 days | 1% |
| Laura Walters | 9/10 | 5360 days | 1% |
| Chance McGuire | 10/10 | 5361 days | 1% |
| cees juffermans | 9/10 | 5374 days | 1% |
| Markus | 10/10 | 5377 days | 1% |
| Grainne Ahern | 10/10 | 5392 days | 1% |
| sutuckey | 10/10 | 5392 days | 1% |
| Honeymooners | 10/10 | 5392 days | 1% |
| sophiep | 9/10 | 5407 days | 1% |
| chuckchallenger | 10/10 | 5423 days | 1% |
| mdarras | 9/10 | 5427 days | 1% |
| joramv | 9/10 | 5427 days | 1% |
| Michelle Kraemer | 10/10 | 5430 days | 1% |
| Kimberly Skyes | 10/10 | 5430 days | 1% |
| Ruth Colmer | 9/10 | 5433 days | 1% |
| maleta | 8/10 | 5444 days | 1% |
| Simon_and_Jane_OZ | 9/10 | 5637 days | 1% |
| JoF | 10/10 | 5659 days | 1% |
| Christian Kamm | 10/10 | 5664 days | 1% |
| Michael Maddams | 7/10 | 5665 days | 1% |
| Joanna Harrnon | 10/10 | 5666 days | 1% |
| Sarah | 8/10 | 5666 days | 1% |
| David | 10/10 | 5667 days | 1% |
| jjakkeren | 9/10 | 5667 days | 1% |
| Alanna | 10/10 | 5668 days | 1% |
| ElissaH | 10/10 | 5669 days | 1% |
| Andrew Smith | 9/10 | 5673 days | 1% |
| Jean | 10/10 | 5683 days | 1% |
| CarinaB1 | 10/10 | 5688 days | 1% |
| Lindsey | 9/10 | 5698 days | 1% |
| Lisa | 10/10 | 5703 days | 1% |
| Laura | 8/10 | 5706 days | 1% |
| kiwibrit86 | 9/10 | 5708 days | 1% |
| Visken | 10/10 | 5710 days | 1% |
| Christina | 10/10 | 5715 days | 1% |
| RachaelO | 10/10 | 5717 days | 1% |
| Marianne | 10/10 | 5717 days | 1% |
| Peppa | 10/10 | 5717 days | 1% |
| Jackie | 9/10 | 5731 days | 1% |
| Patrick | 9/10 | 5731 days | 1% |
| Carla | 8/10 | 5733 days | 1% |
| Keith | 10/10 | 5738 days | 1% |
| Saskia | 9/10 | 5739 days | 1% |
| Patrick | 10/10 | 5743 days | 1% |
| Charlie | 9/10 | 5747 days | 1% |
| Ten | 10/10 | 5747 days | 1% |
| Kevin Dangerfield | 10/10 | 5756 days | 1% |
| Graham | 9/10 | 5771 days | 1% |
| David | 10/10 | 5780 days | 1% |
| Eveline | 10/10 | 5780 days | 1% |
| Mette | 10/10 | 5787 days | 1% |
| Rowan | 9/10 | 5812 days | 1% |
| Hanna | 10/10 | 5812 days | 1% |
| Sally Walker | 10/10 | 5818 days | 1% |
| abby | 10/10 | 5823 days | 1% |
| Paul | 10/10 | 5834 days | 1% |
| Peter | 10/10 | 5842 days | 1% |
| Anna | 10/10 | 5864 days | 1% |
| Liz | 9/10 | 5873 days | 1% |
| Laura | 8/10 | 5873 days | 1% |
| Amy Shields | 7/10 | 5877 days | 1% |
| Erin | 9/10 | 5885 days | 1% |
| George Burgas | 7/10 | 5891 days | 1% |
| Sharon Curly | 7/10 | 5899 days | 1% |
| Peddy | 8/10 | 5902 days | 1% |
| Christine | 9/10 | 5915 days | 1% |
| Charlie Bond | 8/10 | 5948 days | 1% |
| SandyS | 10/10 | 6002 days | 1% |
| BexStar | 10/10 | 6015 days | 1% |
| Galen | 9/10 | 6033 days | 1% |
| Monica Black | 10/10 | 6033 days | 1% |
| Denise | 10/10 | 6050 days | 1% |
| Ria | 9/10 | 6054 days | 1% |
| Christian | 7/10 | 6054 days | 1% |
| Wiebke | 9/10 | 6058 days | 1% |
| Phil Connelly | 9/10 | 6059 days | 1% |
| Amanda | 9/10 | 6065 days | 1% |
| Erwin de Kleijn | 9/10 | 6072 days | 1% |
| Nick | 10/10 | 6081 days | 1% |
| John | 9/10 | 6081 days | 1% |
| Sandra Gustafson | 10/10 | 6109 days | 1% |
| Jo | 10/10 | 6109 days | 1% |
| Helena | 10/10 | 6110 days | 1% |
| Seldam | 8/10 | 6115 days | 1% |
| Andrew Purdam | 7/10 | 6123 days | 1% |
| Gerber Liselotte | 10/10 | 6141 days | 1% |
| Gabriela Herger | 8/10 | 6149 days | 1% |
| Jane Coleman | 8/10 | 6152 days | 1% |
| Wendy Williams | 9/10 | 6159 days | 1% |
| Claire | 8/10 | 6383 days | 1% |
| Will | 9/10 | 6383 days | 1% |
| JanKovar | 10/10 | 6385 days | 1% |
| Justin | 10/10 | 6388 days | 1% |
| Beth | 9/10 | 6394 days | 1% |
| Hanneke | 9/10 | 6395 days | 1% |
| Cat | 8/10 | 6397 days | 1% |
| MartinTrenker | 9/10 | 6403 days | 1% |
| Janneke | 10/10 | 6404 days | 1% |
| Renee | 9/10 | 6407 days | 1% |
| Elke | 8/10 | 6422 days | 1% |
| Malon | 10/10 | 6423 days | 1% |
| Ralph | 10/10 | 6432 days | 1% |
| Lucy | 10/10 | 6432 days | 1% |
| Gordon | 8/10 | 6444 days | 1% |
| Beate | 9/10 | 6445 days | 1% |
| MartinJago | 8/10 | 6456 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
-3.40% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 64 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 | -3.35% |
| 198 | -3.37% |
| 199 | -3.38% |
| 200 | -3.40% |
| 201 | -3.42% |
| 202 | -3.44% |
| 203 | -3.45% |
| … | … |
Balancing Adjustment
1.03% 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
91%
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.