Hey, 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
92.81%
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 | 746 days | 100% |
| Lisa | 10/10 | 1445 days | 20% |
| Michael Holm | 9/10 | 2962 days | 4% |
| Stefan Zink | 10/10 | 3214 days | 3% |
| Fentrup | 9/10 | 3220 days | 3% |
| Katharina Koch | 10/10 | 3224 days | 3% |
| Aurelie and Ben Marie | 9/10 | 3226 days | 3% |
| Sebastian Braun | 9/10 | 3314 days | 3% |
| Joanne Woo | 10/10 | 3331 days | 3% |
| Chris | 6/10 | 3362 days | 3% |
| Olivier Reculeau | 10/10 | 3548 days | 2% |
| Susanne Breudel | 10/10 | 3553 days | 2% |
| Josh Legge | 10/10 | 3561 days | 2% |
| Daniel Weber | 9/10 | 3563 days | 2% |
| Virginia Fradin | 10/10 | 3567 days | 2% |
| Olivier Anciaux | 9/10 | 3570 days | 2% |
| Wendy van Boom | 10/10 | 3570 days | 2% |
| Bas Hoogteijling | 10/10 | 3573 days | 2% |
| Mira Huckfield | 10/10 | 3583 days | 2% |
| Maike Santelmann | 10/10 | 3595 days | 2% |
| Levin Stuers | 10/10 | 3600 days | 2% |
| magdalena gomez haedo | 9/10 | 3603 days | 2% |
| Lucca Weisbender | 10/10 | 3605 days | 2% |
| Anna Scholten | 10/10 | 3606 days | 2% |
| Nils Kissel | 10/10 | 3616 days | 2% |
| Madita and Lisann | 10/10 | 3652 days | 2% |
| sanneke tangel | 10/10 | 3658 days | 2% |
| Georgia Coleman | 10/10 | 3658 days | 2% |
| Virgil Spruit | 8/10 | 3662 days | 2% |
| Xue Rong Kok | 7/10 | 3667 days | 2% |
| Anthony Jacobs | 10/10 | 3789 days | 2% |
| Sofie Jebsen | 10/10 | 3932 days | 1% |
| Tobias | 10/10 | 3932 days | 1% |
| Annika Funk | 10/10 | 3968 days | 1% |
| Dawn Mulligan | 10/10 | 3984 days | 1% |
| Christophe Scieszka | 10/10 | 4001 days | 1% |
| Hubert | 8/10 | 4041 days | 1% |
| Ondrej Stepanek | 8/10 | 4277 days | 0% |
| Boneschova Jarka | 10/10 | 4277 days | 0% |
| Heike Heller | 10/10 | 4286 days | 0% |
| Andreas Mouteiro | 9/10 | 4286 days | 0% |
| Josefin Lind | 10/10 | 4287 days | 0% |
| Herman Holmgist | 10/10 | 4287 days | 0% |
| Felicitas | 9/10 | 4309 days | 0% |
| Antoine | 8/10 | 4317 days | 0% |
| Mara K | 10/10 | 4336 days | 0% |
| Emilie Chanbon | 10/10 | 4339 days | 0% |
| Alexis Redor | 10/10 | 4339 days | 0% |
| Julia Amberger | 8/10 | 4358 days | 0% |
| Annalina Drebald | 8/10 | 4358 days | 0% |
| balesdent | 9/10 | 4364 days | 0% |
| Alineet Gautier | 10/10 | 4367 days | 0% |
| Annika Schmidt | 10/10 | 4647 days | 1% |
| Patrick Stoeit | 10/10 | 4647 days | 1% |
| Audrey Ripoche | 9/10 | 4649 days | 1% |
| Rey Germain | 9/10 | 4649 days | 1% |
| Christofer Tonn | 10/10 | 4659 days | 1% |
| Ann Furlong | 10/10 | 4667 days | 1% |
| Trudy Ryan | 8/10 | 4667 days | 1% |
| Jill Fischer | 10/10 | 4673 days | 1% |
| Kim | 10/10 | 4673 days | 1% |
| Francois Marchar | 9/10 | 4683 days | 1% |
| Jan Zimmerman | 10/10 | 4688 days | 1% |
| Elvin Teo | 10/10 | 4701 days | 1% |
| Rob | 9/10 | 4749 days | 1% |
| Andreas Garbin | 10/10 | 4751 days | 1% |
| Joanna | 9/10 | 4769 days | 1% |
| Mellow | 10/10 | 4793 days | 1% |
| whalelover88 | 10/10 | 4946 days | 1% |
| Jos Schieveen | 8/10 | 5017 days | 1% |
| Goran Backlund | 9/10 | 5023 days | 1% |
| Nathan Sait | 10/10 | 5030 days | 1% |
| Toby Clark | 10/10 | 5030 days | 1% |
| Maxine Gilman | 10/10 | 5033 days | 1% |
| Harald | 9/10 | 5047 days | 1% |
| Dominik Langenegger | 9/10 | 5049 days | 1% |
| Rebecca Richardson | 9/10 | 5049 days | 1% |
| Andrew Powell | 9/10 | 5049 days | 1% |
| Peter Field | 10/10 | 5049 days | 1% |
| Eric Lombaard | 8/10 | 5050 days | 1% |
| Nicholas Prakenhammar | 10/10 | 5051 days | 1% |
| Peter Wall | 7/10 | 5051 days | 1% |
| Verne Heath | 8/10 | 5052 days | 1% |
| John O'Donnell | 10/10 | 5053 days | 1% |
| Paul Fairbrass | 10/10 | 5060 days | 1% |
| Frank Krivauek | 10/10 | 5061 days | 1% |
| Rocco Christian | 7/10 | 5061 days | 1% |
| Kurt & Noemi Buhler | 7/10 | 5062 days | 1% |
| Therese | 7/10 | 5065 days | 1% |
| Katie K | 9/10 | 5076 days | 1% |
| CMJ | 10/10 | 5098 days | 1% |
| Jacqueline | 10/10 | 5129 days | 1% |
| Marc & Pauline | 9/10 | 5135 days | 1% |
| Kevin & Chris | 9/10 | 5136 days | 1% |
| Robin & Sandra Dijke | 9/10 | 5138 days | 1% |
| Laura McCusker | 8/10 | 5145 days | 1% |
| Dexter | 10/10 | 5343 days | 1% |
| Jasmin Loeffler | 10/10 | 5349 days | 1% |
| Natascha Rachel | 10/10 | 5349 days | 1% |
| Res Kormann | 10/10 | 5362 days | 1% |
| Sarah James | 10/10 | 5372 days | 1% |
| Nick Taylor | 10/10 | 5372 days | 1% |
| Nicola Young | 10/10 | 5372 days | 1% |
| Stefan Elsenbruch | 9/10 | 5377 days | 1% |
| Stefanie | 7/10 | 5387 days | 1% |
| Koen Vanlede | 10/10 | 5390 days | 1% |
| Van Vliet | 8/10 | 5391 days | 1% |
| Vanessa Vogel | 10/10 | 5394 days | 1% |
| Marcel Camsch | 9/10 | 5396 days | 1% |
| Keely & Mark Haynes | 10/10 | 5397 days | 1% |
| Svea Sauter | 10/10 | 5397 days | 1% |
| henriket | 10/10 | 5398 days | 1% |
| Amanda Wells | 10/10 | 5398 days | 1% |
| K & J Overton | 9/10 | 5398 days | 1% |
| Jerry & Floon | 9/10 | 5402 days | 1% |
| Bartl | 10/10 | 5402 days | 1% |
| travellingfamilyof6 | 10/10 | 5404 days | 1% |
| WeddingMaven | 10/10 | 5404 days | 1% |
| Lieve Verdonck | 8/10 | 5405 days | 1% |
| Victoria Purver | 8/10 | 5407 days | 1% |
| Thelia Beament | 9/10 | 5407 days | 1% |
| Edwards | 9/10 | 5411 days | 1% |
| Mark Irwin | 9/10 | 5415 days | 1% |
| Agnes McMillan | 10/10 | 5416 days | 1% |
| Leslie | 9/10 | 5416 days | 1% |
| Selina Mueller | 10/10 | 5418 days | 1% |
| Jill Dean | 10/10 | 5419 days | 1% |
| Chloe Finster | 10/10 | 5419 days | 1% |
| Vanderhorst | 9/10 | 5420 days | 1% |
| Judith K. | 10/10 | 5422 days | 1% |
| Amanda Wallace | 9/10 | 5422 days | 1% |
| Mark Aarts | 10/10 | 5423 days | 1% |
| Forestal Youri | 9/10 | 5424 days | 1% |
| Dave and Lin Mungham | 10/10 | 5425 days | 1% |
| Jane Hancock | 10/10 | 5427 days | 1% |
| Stephi | 10/10 | 5432 days | 1% |
| Amanda | 10/10 | 5432 days | 1% |
| Mick Doherty | 9/10 | 5463 days | 1% |
| hendrik king | 7/10 | 5463 days | 1% |
| Shoe | 10/10 | 5494 days | 1% |
| marcvergroesen | 9/10 | 5708 days | 1% |
| Jenny Leyland | 9/10 | 5708 days | 1% |
| MarcyMark | 10/10 | 5738 days | 1% |
| katrina Marshall | 10/10 | 5755 days | 1% |
| Von | 9/10 | 5769 days | 1% |
| Judith | 8/10 | 5775 days | 1% |
| Doris Resch | 10/10 | 5775 days | 1% |
| Sheila Morgan | 10/10 | 5778 days | 1% |
| Maria Newton | 9/10 | 5779 days | 1% |
| Faller | 10/10 | 5792 days | 1% |
| Wim Van Gastel | 8/10 | 5795 days | 1% |
| Laura Walters | 9/10 | 5796 days | 1% |
| Chance McGuire | 10/10 | 5797 days | 1% |
| cees juffermans | 9/10 | 5810 days | 1% |
| Markus | 10/10 | 5813 days | 1% |
| Grainne Ahern | 10/10 | 5828 days | 1% |
| sutuckey | 10/10 | 5828 days | 1% |
| Honeymooners | 10/10 | 5828 days | 1% |
| sophiep | 9/10 | 5843 days | 1% |
| chuckchallenger | 10/10 | 5859 days | 1% |
| mdarras | 9/10 | 5863 days | 1% |
| joramv | 9/10 | 5863 days | 1% |
| Michelle Kraemer | 10/10 | 5866 days | 1% |
| Kimberly Skyes | 10/10 | 5866 days | 1% |
| Ruth Colmer | 9/10 | 5869 days | 1% |
| maleta | 8/10 | 5880 days | 1% |
| Simon_and_Jane_OZ | 9/10 | 6073 days | 1% |
| JoF | 10/10 | 6095 days | 1% |
| Christian Kamm | 10/10 | 6100 days | 1% |
| Michael Maddams | 7/10 | 6101 days | 1% |
| Joanna Harrnon | 10/10 | 6102 days | 1% |
| Sarah | 8/10 | 6102 days | 1% |
| David | 10/10 | 6103 days | 1% |
| jjakkeren | 9/10 | 6103 days | 1% |
| Alanna | 10/10 | 6104 days | 1% |
| ElissaH | 10/10 | 6105 days | 1% |
| Andrew Smith | 9/10 | 6109 days | 1% |
| Jean | 10/10 | 6119 days | 1% |
| CarinaB1 | 10/10 | 6124 days | 1% |
| Lindsey | 9/10 | 6134 days | 1% |
| Lisa | 10/10 | 6139 days | 1% |
| Laura | 8/10 | 6142 days | 1% |
| kiwibrit86 | 9/10 | 6144 days | 1% |
| Visken | 10/10 | 6146 days | 1% |
| Christina | 10/10 | 6151 days | 1% |
| RachaelO | 10/10 | 6153 days | 1% |
| Marianne | 10/10 | 6153 days | 1% |
| Peppa | 10/10 | 6153 days | 1% |
| Jackie | 9/10 | 6167 days | 1% |
| Patrick | 9/10 | 6167 days | 1% |
| Carla | 8/10 | 6169 days | 1% |
| Keith | 10/10 | 6174 days | 1% |
| Saskia | 9/10 | 6175 days | 1% |
| Patrick | 10/10 | 6179 days | 1% |
| Charlie | 9/10 | 6183 days | 1% |
| Ten | 10/10 | 6183 days | 1% |
| Kevin Dangerfield | 10/10 | 6192 days | 1% |
| Graham | 9/10 | 6207 days | 1% |
| David | 10/10 | 6216 days | 1% |
| Eveline | 10/10 | 6216 days | 1% |
| Mette | 10/10 | 6223 days | 1% |
| Rowan | 9/10 | 6248 days | 1% |
| Hanna | 10/10 | 6248 days | 1% |
| Sally Walker | 10/10 | 6254 days | 1% |
| abby | 10/10 | 6259 days | 1% |
| Paul | 10/10 | 6270 days | 1% |
| Peter | 10/10 | 6278 days | 1% |
| Anna | 10/10 | 6300 days | 1% |
| Liz | 9/10 | 6309 days | 1% |
| Laura | 8/10 | 6309 days | 1% |
| Amy Shields | 7/10 | 6313 days | 1% |
| Erin | 9/10 | 6321 days | 1% |
| George Burgas | 7/10 | 6327 days | 1% |
| Sharon Curly | 7/10 | 6335 days | 1% |
| Peddy | 8/10 | 6338 days | 1% |
| Christine | 9/10 | 6351 days | 1% |
| Charlie Bond | 8/10 | 6384 days | 1% |
| SandyS | 10/10 | 6438 days | 1% |
| BexStar | 10/10 | 6451 days | 1% |
| Galen | 9/10 | 6469 days | 1% |
| Monica Black | 10/10 | 6469 days | 1% |
| Denise | 10/10 | 6486 days | 1% |
| Ria | 9/10 | 6490 days | 1% |
| Christian | 7/10 | 6490 days | 1% |
| Wiebke | 9/10 | 6494 days | 1% |
| Phil Connelly | 9/10 | 6495 days | 1% |
| Amanda | 9/10 | 6501 days | 1% |
| Erwin de Kleijn | 9/10 | 6508 days | 1% |
| Nick | 10/10 | 6517 days | 1% |
| John | 9/10 | 6517 days | 1% |
| Sandra Gustafson | 10/10 | 6545 days | 1% |
| Jo | 10/10 | 6545 days | 1% |
| Helena | 10/10 | 6546 days | 1% |
| Seldam | 8/10 | 6551 days | 1% |
| Andrew Purdam | 7/10 | 6559 days | 1% |
| Gerber Liselotte | 10/10 | 6577 days | 1% |
| Gabriela Herger | 8/10 | 6585 days | 1% |
| Jane Coleman | 8/10 | 6588 days | 1% |
| Wendy Williams | 9/10 | 6595 days | 1% |
| Claire | 8/10 | 6819 days | 1% |
| Will | 9/10 | 6819 days | 1% |
| JanKovar | 10/10 | 6821 days | 1% |
| Justin | 10/10 | 6824 days | 1% |
| Beth | 9/10 | 6830 days | 1% |
| Hanneke | 9/10 | 6831 days | 1% |
| Cat | 8/10 | 6833 days | 1% |
| MartinTrenker | 9/10 | 6839 days | 1% |
| Janneke | 10/10 | 6840 days | 1% |
| Renee | 9/10 | 6843 days | 1% |
| Elke | 8/10 | 6858 days | 1% |
| Malon | 10/10 | 6859 days | 1% |
| Ralph | 10/10 | 6868 days | 1% |
| Lucy | 10/10 | 6868 days | 1% |
| Gordon | 8/10 | 6880 days | 1% |
| Beate | 9/10 | 6881 days | 1% |
| MartinJago | 8/10 | 6892 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 42 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 | -4.08% |
| 202 | -4.10% |
| 203 | -4.12% |
| … | … |
Balancing Adjustment
1.18% 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.