Ranking Score Explained

Hi there, 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.

Nick Morrison's avatar

Nick Morrison

Rankers owner

Dolphin Encounter Kaikoura

Valid Reviews

254 Valid Reviews

The Dolphin Encounter Kaikoura experience has a total of 256 reviews. There are 254 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 254 valid reviews:

Rating Count Percentage
10/10 135
53%
9/10 74
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%

92.95% Average

The raw data average (mean) for all the Dolphin Encounter Kaikoura valid reviews is 92.95% and is based on 254 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 254 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

93.71%

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
Michael Holm 9/10 1264 days 100%
Stefan Zink 10/10 1516 days 89%
Fentrup 9/10 1522 days 89%
Katharina Koch 10/10 1526 days 89%
Aurelie and Ben Marie 9/10 1528 days 89%
Sebastian Braun 9/10 1616 days 85%
Joanne Woo 10/10 1634 days 84%
Chris 6/10 1665 days 69%
Olivier Reculeau 10/10 1850 days 75%
Susanne Breudel 10/10 1855 days 75%
Josh Legge 10/10 1863 days 75%
Daniel Weber 9/10 1865 days 75%
Virginia Fradin 10/10 1869 days 75%
Olivier Anciaux 9/10 1872 days 74%
Wendy van Boom 10/10 1872 days 74%
Bas Hoogteijling 10/10 1875 days 74%
Mira Huckfield 10/10 1885 days 74%
Maike Santelmann 10/10 1897 days 73%
Levin Stuers 10/10 1902 days 73%
magdalena gomez haedo 9/10 1905 days 73%
Lucca Weisbender 10/10 1908 days 73%
Anna Scholten 10/10 1908 days 73%
Nils Kissel 10/10 1918 days 73%
Madita and Lisann 10/10 1954 days 71%
sanneke tangel 10/10 1960 days 71%
Georgia Coleman 10/10 1960 days 71%
Virgil Spruit 8/10 1964 days 67%
Xue Rong Kok 7/10 1970 days 64%
Anthony Jacobs 10/10 2092 days 65%
Sofie Jebsen 10/10 2234 days 59%
Tobias 10/10 2234 days 59%
Annika Funk 10/10 2270 days 58%
Dawn Mulligan 10/10 2286 days 57%
Christophe Scieszka 10/10 2304 days 56%
Hubert 8/10 2343 days 52%
Ondrej Stepanek 8/10 2579 days 43%
Boneschova Jarka 10/10 2579 days 45%
Heike Heller 10/10 2588 days 44%
Andreas Mouteiro 9/10 2588 days 44%
Josefin Lind 10/10 2589 days 44%
Herman Holmgist 10/10 2589 days 44%
Felicitas 9/10 2611 days 43%
Antoine 8/10 2619 days 41%
Mara K 10/10 2638 days 42%
Emilie Chanbon 10/10 2641 days 42%
Alexis Redor 10/10 2641 days 42%
Julia Amberger 8/10 2660 days 39%
Annalina Drebald 8/10 2660 days 39%
balesdent 9/10 2666 days 41%
Alineet Gautier 10/10 2669 days 41%
Annika Schmidt 10/10 2949 days 29%
Patrick Stoeit 10/10 2949 days 29%
Audrey Ripoche 9/10 2951 days 29%
Rey Germain 9/10 2951 days 29%
Christofer Tonn 10/10 2961 days 29%
Ann Furlong 10/10 2969 days 28%
Trudy Ryan 8/10 2969 days 27%
Jill Fischer 10/10 2975 days 28%
Kim 10/10 2975 days 28%
Francois Marchar 9/10 2985 days 28%
Jan Zimmerman 10/10 2990 days 28%
Elvin Teo 10/10 3003 days 27%
Rob 9/10 3051 days 25%
Andreas Garbin 10/10 3053 days 25%
Joanna 9/10 3071 days 24%
Mellow 10/10 3095 days 23%
whalelover88 10/10 3248 days 17%
Jos Schieveen 8/10 3319 days 13%
Goran Backlund 9/10 3325 days 13%
Nathan Sait 10/10 3332 days 13%
Toby Clark 10/10 3332 days 13%
Maxine Gilman 10/10 3335 days 13%
Harald 9/10 3349 days 12%
Dominik Langenegger 9/10 3351 days 12%
Rebecca Richardson 9/10 3351 days 12%
Andrew Powell 9/10 3351 days 12%
Peter Field 10/10 3351 days 12%
Eric Lombaard 8/10 3352 days 12%
Nicholas Prakenhammar 10/10 3353 days 12%
Peter Wall 7/10 3353 days 11%
Verne Heath 8/10 3354 days 12%
John O'Donnell 10/10 3355 days 12%
Paul Fairbrass 10/10 3362 days 12%
Frank Krivauek 10/10 3363 days 12%
Rocco Christian 7/10 3363 days 11%
Kurt & Noemi Buhler 7/10 3364 days 11%
Therese 7/10 3367 days 11%
Katie K 9/10 3378 days 11%
CMJ 10/10 3400 days 10%
Jacqueline 10/10 3431 days 9%
Marc & Pauline 9/10 3437 days 9%
Kevin & Chris 9/10 3438 days 9%
Robin & Sandra Dijke 9/10 3440 days 9%
Laura McCusker 8/10 3447 days 8%
Dexter 10/10 3645 days 0%
Jasmin Loeffler 10/10 3651 days 21%
Natascha Rachel 10/10 3651 days 21%
Res Kormann 10/10 3664 days 21%
Sarah James 10/10 3674 days 21%
Nick Taylor 10/10 3674 days 21%
Nicola Young 10/10 3674 days 21%
Stefan Elsenbruch 9/10 3679 days 21%
Stefanie 7/10 3689 days 19%
Koen Vanlede 10/10 3692 days 21%
Van Vliet 8/10 3693 days 20%
Vanessa Vogel 10/10 3696 days 21%
Marcel Camsch 9/10 3698 days 21%
Keely & Mark Haynes 10/10 3699 days 21%
Svea Sauter 10/10 3699 days 21%
henriket 10/10 3700 days 21%
Amanda Wells 10/10 3700 days 21%
K & J Overton 9/10 3700 days 21%
Jerry & Floon 9/10 3704 days 21%
Bartl 10/10 3704 days 21%
travellingfamilyof6 10/10 3706 days 21%
WeddingMaven 10/10 3706 days 21%
Lieve Verdonck 8/10 3707 days 20%
Victoria Purver 8/10 3709 days 20%
Thelia Beament 9/10 3709 days 21%
Edwards 9/10 3713 days 21%
Mark Irwin 9/10 3717 days 21%
Agnes McMillan 10/10 3718 days 21%
Leslie 9/10 3718 days 21%
Selina Mueller 10/10 3720 days 21%
Jill Dean 10/10 3721 days 21%
Chloe Finster 10/10 3721 days 21%
Vanderhorst 9/10 3722 days 21%
Judith K. 10/10 3724 days 21%
Amanda Wallace 9/10 3724 days 21%
Mark Aarts 10/10 3725 days 21%
Forestal Youri 9/10 3726 days 21%
Dave and Lin Mungham 10/10 3727 days 21%
Jane Hancock 10/10 3729 days 21%
Stephi 10/10 3734 days 21%
Amanda 10/10 3734 days 21%
Mick Doherty 9/10 3765 days 21%
hendrik king 7/10 3765 days 19%
Shoe 10/10 3796 days 21%
marcvergroesen 9/10 4010 days 21%
Jenny Leyland 9/10 4010 days 21%
MarcyMark 10/10 4040 days 21%
katrina Marshall 10/10 4057 days 21%
Von 9/10 4071 days 21%
Judith 8/10 4077 days 20%
Doris Resch 10/10 4077 days 21%
Sheila Morgan 10/10 4080 days 21%
Maria Newton 9/10 4081 days 21%
Faller 10/10 4094 days 21%
Wim Van Gastel 8/10 4097 days 20%
Laura Walters 9/10 4098 days 21%
Chance McGuire 10/10 4099 days 21%
cees juffermans 9/10 4112 days 21%
Markus 10/10 4115 days 21%
Grainne Ahern 10/10 4130 days 21%
sutuckey 10/10 4130 days 21%
Honeymooners 10/10 4130 days 21%
sophiep 9/10 4145 days 21%
chuckchallenger 10/10 4161 days 21%
mdarras 9/10 4165 days 21%
joramv 9/10 4165 days 21%
Michelle Kraemer 10/10 4168 days 21%
Kimberly Skyes 10/10 4168 days 21%
Ruth Colmer 9/10 4171 days 21%
maleta 8/10 4182 days 20%
Simon_and_Jane_OZ 9/10 4375 days 21%
JoF 10/10 4397 days 21%
Christian Kamm 10/10 4402 days 21%
Michael Maddams 7/10 4403 days 19%
Joanna Harrnon 10/10 4404 days 21%
Sarah 8/10 4405 days 20%
David 10/10 4405 days 21%
jjakkeren 9/10 4405 days 21%
Alanna 10/10 4407 days 21%
ElissaH 10/10 4408 days 21%
Andrew Smith 9/10 4411 days 21%
Jean 10/10 4422 days 21%
CarinaB1 10/10 4426 days 21%
Lindsey 9/10 4437 days 21%
Lisa 10/10 4442 days 21%
Laura 8/10 4445 days 20%
kiwibrit86 9/10 4447 days 21%
Visken 10/10 4449 days 21%
Christina 10/10 4454 days 21%
RachaelO 10/10 4455 days 21%
Marianne 10/10 4456 days 21%
Peppa 10/10 4456 days 21%
Jackie 9/10 4470 days 21%
Patrick 9/10 4470 days 21%
Carla 8/10 4472 days 20%
Keith 10/10 4477 days 21%
Saskia 9/10 4478 days 21%
Patrick 10/10 4482 days 21%
Charlie 9/10 4486 days 21%
Ten 10/10 4486 days 21%
Kevin Dangerfield 10/10 4495 days 21%
Graham 9/10 4510 days 21%
David 10/10 4519 days 21%
Eveline 10/10 4519 days 21%
Mette 10/10 4526 days 21%
Rowan 9/10 4551 days 21%
Hanna 10/10 4551 days 21%
Sally Walker 10/10 4556 days 21%
abby 10/10 4562 days 21%
Paul 10/10 4573 days 21%
Peter 10/10 4581 days 21%
Anna 10/10 4603 days 21%
Liz 9/10 4612 days 21%
Laura 8/10 4612 days 20%
Amy Shields 7/10 4616 days 19%
Erin 9/10 4624 days 21%
George Burgas 7/10 4630 days 19%
Sharon Curly 7/10 4638 days 19%
Peddy 8/10 4640 days 20%
Christine 9/10 4654 days 21%
Charlie Bond 8/10 4687 days 20%
SandyS 10/10 4740 days 21%
BexStar 10/10 4754 days 21%
Galen 9/10 4771 days 21%
Monica Black 10/10 4771 days 21%
Denise 10/10 4788 days 21%
Ria 9/10 4792 days 21%
Christian 7/10 4792 days 19%
Wiebke 9/10 4796 days 21%
Phil Connelly 9/10 4797 days 21%
Amanda 9/10 4803 days 21%
Erwin de Kleijn 9/10 4811 days 21%
Nick 10/10 4819 days 21%
John 9/10 4819 days 21%
Sandra Gustafson 10/10 4847 days 21%
Jo 10/10 4847 days 21%
Helena 10/10 4848 days 21%
Seldam 8/10 4853 days 20%
Andrew Purdam 7/10 4861 days 19%
Gerber Liselotte 10/10 4879 days 21%
Gabriela Herger 8/10 4887 days 20%
Jane Coleman 8/10 4890 days 20%
Wendy Williams 9/10 4897 days 21%
Claire 8/10 5121 days 20%
Will 9/10 5121 days 21%
JanKovar 10/10 5123 days 21%
Justin 10/10 5126 days 21%
Beth 9/10 5132 days 21%
Hanneke 9/10 5133 days 21%
Cat 8/10 5135 days 20%
MartinTrenker 9/10 5141 days 21%
Janneke 10/10 5142 days 21%
Renee 9/10 5145 days 21%
Elke 8/10 5160 days 20%
Malon 10/10 5161 days 21%
Ralph 10/10 5170 days 21%
Lucy 10/10 5170 days 21%
Gordon 8/10 5182 days 20%
Beate 9/10 5183 days 21%
MartinJago 8/10 5194 days 20%

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

-3.29% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 71 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 -3.24%
198 -3.26%
199 -3.28%
200 -3.29%
201 -3.31%
202 -3.32%
203 -3.34%

Final Ranking Score

90%

The final ranking score once adjustments and rounding has been applied. This value is cached and recalculated each day. Therefore it may not be precisely accurate based on the other values presented.

If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz.