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
93.16%
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 | 355 days | 100% |
| Lisa | 10/10 | 1054 days | 42% |
| Michael Holm | 9/10 | 2571 days | 4% |
| Stefan Zink | 10/10 | 2823 days | 3% |
| Fentrup | 9/10 | 2829 days | 3% |
| Katharina Koch | 10/10 | 2833 days | 3% |
| Aurelie and Ben Marie | 9/10 | 2835 days | 3% |
| Sebastian Braun | 9/10 | 2923 days | 3% |
| Joanne Woo | 10/10 | 2941 days | 3% |
| Chris | 6/10 | 2972 days | 3% |
| Olivier Reculeau | 10/10 | 3157 days | 3% |
| Susanne Breudel | 10/10 | 3162 days | 3% |
| Josh Legge | 10/10 | 3170 days | 3% |
| Daniel Weber | 9/10 | 3172 days | 3% |
| Virginia Fradin | 10/10 | 3176 days | 3% |
| Olivier Anciaux | 9/10 | 3179 days | 3% |
| Wendy van Boom | 10/10 | 3179 days | 3% |
| Bas Hoogteijling | 10/10 | 3182 days | 3% |
| Mira Huckfield | 10/10 | 3192 days | 3% |
| Maike Santelmann | 10/10 | 3204 days | 3% |
| Levin Stuers | 10/10 | 3209 days | 2% |
| magdalena gomez haedo | 9/10 | 3212 days | 2% |
| Lucca Weisbender | 10/10 | 3215 days | 2% |
| Anna Scholten | 10/10 | 3215 days | 2% |
| Nils Kissel | 10/10 | 3225 days | 2% |
| Madita and Lisann | 10/10 | 3261 days | 2% |
| sanneke tangel | 10/10 | 3267 days | 2% |
| Georgia Coleman | 10/10 | 3267 days | 2% |
| Virgil Spruit | 8/10 | 3271 days | 2% |
| Xue Rong Kok | 7/10 | 3277 days | 2% |
| Anthony Jacobs | 10/10 | 3399 days | 2% |
| Sofie Jebsen | 10/10 | 3541 days | 2% |
| Tobias | 10/10 | 3541 days | 2% |
| Annika Funk | 10/10 | 3577 days | 2% |
| Dawn Mulligan | 10/10 | 3593 days | 2% |
| Christophe Scieszka | 10/10 | 3611 days | 2% |
| Hubert | 8/10 | 3650 days | 2% |
| Ondrej Stepanek | 8/10 | 3886 days | 1% |
| Boneschova Jarka | 10/10 | 3886 days | 1% |
| Heike Heller | 10/10 | 3895 days | 1% |
| Andreas Mouteiro | 9/10 | 3895 days | 1% |
| Josefin Lind | 10/10 | 3896 days | 1% |
| Herman Holmgist | 10/10 | 3896 days | 1% |
| Felicitas | 9/10 | 3918 days | 1% |
| Antoine | 8/10 | 3926 days | 1% |
| Mara K | 10/10 | 3945 days | 1% |
| Emilie Chanbon | 10/10 | 3948 days | 1% |
| Alexis Redor | 10/10 | 3948 days | 1% |
| Julia Amberger | 8/10 | 3967 days | 1% |
| Annalina Drebald | 8/10 | 3967 days | 1% |
| balesdent | 9/10 | 3973 days | 1% |
| Alineet Gautier | 10/10 | 3976 days | 1% |
| Annika Schmidt | 10/10 | 4256 days | 0% |
| Patrick Stoeit | 10/10 | 4256 days | 0% |
| Audrey Ripoche | 9/10 | 4258 days | 0% |
| Rey Germain | 9/10 | 4258 days | 0% |
| Christofer Tonn | 10/10 | 4268 days | 0% |
| Ann Furlong | 10/10 | 4276 days | 0% |
| Trudy Ryan | 8/10 | 4276 days | 0% |
| Jill Fischer | 10/10 | 4282 days | 0% |
| Kim | 10/10 | 4282 days | 0% |
| Francois Marchar | 9/10 | 4292 days | 0% |
| Jan Zimmerman | 10/10 | 4297 days | 0% |
| Elvin Teo | 10/10 | 4310 days | 0% |
| Rob | 9/10 | 4358 days | 0% |
| Andreas Garbin | 10/10 | 4360 days | 0% |
| Joanna | 9/10 | 4378 days | 0% |
| Mellow | 10/10 | 4402 days | 1% |
| whalelover88 | 10/10 | 4555 days | 1% |
| Jos Schieveen | 8/10 | 4626 days | 1% |
| Goran Backlund | 9/10 | 4632 days | 1% |
| Nathan Sait | 10/10 | 4639 days | 1% |
| Toby Clark | 10/10 | 4639 days | 1% |
| Maxine Gilman | 10/10 | 4642 days | 1% |
| Harald | 9/10 | 4656 days | 1% |
| Dominik Langenegger | 9/10 | 4658 days | 1% |
| Rebecca Richardson | 9/10 | 4658 days | 1% |
| Andrew Powell | 9/10 | 4658 days | 1% |
| Peter Field | 10/10 | 4658 days | 1% |
| Eric Lombaard | 8/10 | 4659 days | 1% |
| Nicholas Prakenhammar | 10/10 | 4660 days | 1% |
| Peter Wall | 7/10 | 4660 days | 1% |
| Verne Heath | 8/10 | 4661 days | 1% |
| John O'Donnell | 10/10 | 4662 days | 1% |
| Paul Fairbrass | 10/10 | 4669 days | 1% |
| Frank Krivauek | 10/10 | 4670 days | 1% |
| Rocco Christian | 7/10 | 4670 days | 1% |
| Kurt & Noemi Buhler | 7/10 | 4671 days | 1% |
| Therese | 7/10 | 4674 days | 1% |
| Katie K | 9/10 | 4685 days | 1% |
| CMJ | 10/10 | 4707 days | 1% |
| Jacqueline | 10/10 | 4738 days | 1% |
| Marc & Pauline | 9/10 | 4744 days | 1% |
| Kevin & Chris | 9/10 | 4745 days | 1% |
| Robin & Sandra Dijke | 9/10 | 4747 days | 1% |
| Laura McCusker | 8/10 | 4754 days | 1% |
| Dexter | 10/10 | 4952 days | 1% |
| Jasmin Loeffler | 10/10 | 4958 days | 1% |
| Natascha Rachel | 10/10 | 4958 days | 1% |
| Res Kormann | 10/10 | 4971 days | 1% |
| Sarah James | 10/10 | 4981 days | 1% |
| Nick Taylor | 10/10 | 4981 days | 1% |
| Nicola Young | 10/10 | 4981 days | 1% |
| Stefan Elsenbruch | 9/10 | 4986 days | 1% |
| Stefanie | 7/10 | 4996 days | 1% |
| Koen Vanlede | 10/10 | 4999 days | 1% |
| Van Vliet | 8/10 | 5000 days | 1% |
| Vanessa Vogel | 10/10 | 5003 days | 1% |
| Marcel Camsch | 9/10 | 5005 days | 1% |
| Keely & Mark Haynes | 10/10 | 5006 days | 1% |
| Svea Sauter | 10/10 | 5006 days | 1% |
| henriket | 10/10 | 5007 days | 1% |
| Amanda Wells | 10/10 | 5007 days | 1% |
| K & J Overton | 9/10 | 5007 days | 1% |
| Jerry & Floon | 9/10 | 5011 days | 1% |
| Bartl | 10/10 | 5011 days | 1% |
| travellingfamilyof6 | 10/10 | 5013 days | 1% |
| WeddingMaven | 10/10 | 5013 days | 1% |
| Lieve Verdonck | 8/10 | 5014 days | 1% |
| Victoria Purver | 8/10 | 5016 days | 1% |
| Thelia Beament | 9/10 | 5016 days | 1% |
| Edwards | 9/10 | 5020 days | 1% |
| Mark Irwin | 9/10 | 5024 days | 1% |
| Agnes McMillan | 10/10 | 5025 days | 1% |
| Leslie | 9/10 | 5025 days | 1% |
| Selina Mueller | 10/10 | 5027 days | 1% |
| Jill Dean | 10/10 | 5028 days | 1% |
| Chloe Finster | 10/10 | 5028 days | 1% |
| Vanderhorst | 9/10 | 5029 days | 1% |
| Judith K. | 10/10 | 5031 days | 1% |
| Amanda Wallace | 9/10 | 5031 days | 1% |
| Mark Aarts | 10/10 | 5032 days | 1% |
| Forestal Youri | 9/10 | 5033 days | 1% |
| Dave and Lin Mungham | 10/10 | 5034 days | 1% |
| Jane Hancock | 10/10 | 5036 days | 1% |
| Stephi | 10/10 | 5041 days | 1% |
| Amanda | 10/10 | 5041 days | 1% |
| Mick Doherty | 9/10 | 5072 days | 1% |
| hendrik king | 7/10 | 5072 days | 1% |
| Shoe | 10/10 | 5103 days | 1% |
| marcvergroesen | 9/10 | 5317 days | 1% |
| Jenny Leyland | 9/10 | 5317 days | 1% |
| MarcyMark | 10/10 | 5347 days | 1% |
| katrina Marshall | 10/10 | 5364 days | 1% |
| Von | 9/10 | 5378 days | 1% |
| Judith | 8/10 | 5384 days | 1% |
| Doris Resch | 10/10 | 5384 days | 1% |
| Sheila Morgan | 10/10 | 5387 days | 1% |
| Maria Newton | 9/10 | 5388 days | 1% |
| Faller | 10/10 | 5401 days | 1% |
| Wim Van Gastel | 8/10 | 5404 days | 1% |
| Laura Walters | 9/10 | 5405 days | 1% |
| Chance McGuire | 10/10 | 5406 days | 1% |
| cees juffermans | 9/10 | 5419 days | 1% |
| Markus | 10/10 | 5422 days | 1% |
| Grainne Ahern | 10/10 | 5437 days | 1% |
| sutuckey | 10/10 | 5437 days | 1% |
| Honeymooners | 10/10 | 5437 days | 1% |
| sophiep | 9/10 | 5452 days | 1% |
| chuckchallenger | 10/10 | 5468 days | 1% |
| mdarras | 9/10 | 5472 days | 1% |
| joramv | 9/10 | 5472 days | 1% |
| Michelle Kraemer | 10/10 | 5475 days | 1% |
| Kimberly Skyes | 10/10 | 5475 days | 1% |
| Ruth Colmer | 9/10 | 5478 days | 1% |
| maleta | 8/10 | 5489 days | 1% |
| Simon_and_Jane_OZ | 9/10 | 5682 days | 1% |
| JoF | 10/10 | 5704 days | 1% |
| Christian Kamm | 10/10 | 5709 days | 1% |
| Michael Maddams | 7/10 | 5710 days | 1% |
| Joanna Harrnon | 10/10 | 5711 days | 1% |
| Sarah | 8/10 | 5712 days | 1% |
| David | 10/10 | 5712 days | 1% |
| jjakkeren | 9/10 | 5712 days | 1% |
| Alanna | 10/10 | 5714 days | 1% |
| ElissaH | 10/10 | 5714 days | 1% |
| Andrew Smith | 9/10 | 5718 days | 1% |
| Jean | 10/10 | 5729 days | 1% |
| CarinaB1 | 10/10 | 5733 days | 1% |
| Lindsey | 9/10 | 5744 days | 1% |
| Lisa | 10/10 | 5749 days | 1% |
| Laura | 8/10 | 5751 days | 1% |
| kiwibrit86 | 9/10 | 5754 days | 1% |
| Visken | 10/10 | 5756 days | 1% |
| Christina | 10/10 | 5761 days | 1% |
| RachaelO | 10/10 | 5762 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 | 5778 days | 1% |
| Keith | 10/10 | 5784 days | 1% |
| Saskia | 9/10 | 5784 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 | 5816 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 | 5863 days | 1% |
| abby | 10/10 | 5869 days | 1% |
| Paul | 10/10 | 5879 days | 1% |
| Peter | 10/10 | 5887 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 | 5947 days | 1% |
| Christine | 9/10 | 5961 days | 1% |
| Charlie Bond | 8/10 | 5994 days | 1% |
| SandyS | 10/10 | 6047 days | 1% |
| BexStar | 10/10 | 6061 days | 1% |
| Galen | 9/10 | 6078 days | 1% |
| Monica Black | 10/10 | 6078 days | 1% |
| Denise | 10/10 | 6095 days | 1% |
| Ria | 9/10 | 6099 days | 1% |
| Christian | 7/10 | 6099 days | 1% |
| Wiebke | 9/10 | 6103 days | 1% |
| Phil Connelly | 9/10 | 6104 days | 1% |
| Amanda | 9/10 | 6110 days | 1% |
| Erwin de Kleijn | 9/10 | 6117 days | 1% |
| Nick | 10/10 | 6126 days | 1% |
| John | 9/10 | 6126 days | 1% |
| Sandra Gustafson | 10/10 | 6154 days | 1% |
| Jo | 10/10 | 6154 days | 1% |
| Helena | 10/10 | 6155 days | 1% |
| Seldam | 8/10 | 6160 days | 1% |
| Andrew Purdam | 7/10 | 6168 days | 1% |
| Gerber Liselotte | 10/10 | 6186 days | 1% |
| Gabriela Herger | 8/10 | 6194 days | 1% |
| Jane Coleman | 8/10 | 6197 days | 1% |
| Wendy Williams | 9/10 | 6204 days | 1% |
| Claire | 8/10 | 6428 days | 1% |
| Will | 9/10 | 6428 days | 1% |
| JanKovar | 10/10 | 6430 days | 1% |
| Justin | 10/10 | 6433 days | 1% |
| Beth | 9/10 | 6439 days | 1% |
| Hanneke | 9/10 | 6440 days | 1% |
| Cat | 8/10 | 6442 days | 1% |
| MartinTrenker | 9/10 | 6448 days | 1% |
| Janneke | 10/10 | 6449 days | 1% |
| Renee | 9/10 | 6452 days | 1% |
| Elke | 8/10 | 6467 days | 1% |
| Malon | 10/10 | 6468 days | 1% |
| Ralph | 10/10 | 6477 days | 1% |
| Lucy | 10/10 | 6477 days | 1% |
| Gordon | 8/10 | 6489 days | 1% |
| Beate | 9/10 | 6490 days | 1% |
| MartinJago | 8/10 | 6501 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
-4.04% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 44 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 | -3.98% |
| 198 | -4.00% |
| 199 | -4.02% |
| 200 | -4.04% |
| 201 | -4.07% |
| 202 | -4.09% |
| 203 | -4.11% |
| … | … |
Balancing Adjustment
1.12% 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
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.