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

94.21%

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 Face-to-Face Weight Relative Weight
Michael Holm 9/10 1120 days true 4.95 100%
Stefan Zink 10/10 1372 days true 4.46 90%
Fentrup 9/10 1378 days true 4.45 90%
Katharina Koch 10/10 1382 days true 4.44 90%
Aurelie and Ben Marie 9/10 1384 days true 4.43 90%
Sebastian Braun 9/10 1472 days true 4.26 86%
Joanne Woo 10/10 1489 days 4.23 85%
Chris 6/10 1520 days 3.46 70%
Olivier Reculeau 10/10 1706 days true 3.8 77%
Susanne Breudel 10/10 1711 days true 3.79 77%
Josh Legge 10/10 1719 days true 3.78 76%
Daniel Weber 9/10 1721 days true 3.77 76%
Virginia Fradin 10/10 1725 days true 3.77 76%
Olivier Anciaux 9/10 1728 days true 3.76 76%
Wendy van Boom 10/10 1728 days true 3.76 76%
Bas Hoogteijling 10/10 1731 days true 3.76 76%
Mira Huckfield 10/10 1741 days true 3.74 75%
Maike Santelmann 10/10 1753 days true 3.71 75%
Levin Stuers 10/10 1758 days true 3.7 75%
magdalena gomez haedo 9/10 1761 days 3.7 75%
Lucca Weisbender 10/10 1763 days 3.69 75%
Anna Scholten 10/10 1764 days true 3.69 75%
Nils Kissel 10/10 1774 days 3.67 74%
Madita and Lisann 10/10 1810 days true 3.6 73%
sanneke tangel 10/10 1816 days true 3.59 72%
Georgia Coleman 10/10 1816 days true 3.59 72%
Virgil Spruit 8/10 1820 days true 3.4 69%
Xue Rong Kok 7/10 1825 days 3.25 66%
Anthony Jacobs 10/10 1947 days 3.33 67%
Sofie Jebsen 10/10 2090 days true 3.05 62%
Tobias 10/10 2090 days true 3.05 62%
Annika Funk 10/10 2126 days true 2.98 60%
Dawn Mulligan 10/10 2142 days true 2.95 60%
Christophe Scieszka 10/10 2159 days 2.92 59%
Hubert 8/10 2199 days true 2.7 54%
Ondrej Stepanek 8/10 2435 days true 2.26 46%
Boneschova Jarka 10/10 2435 days true 2.38 48%
Heike Heller 10/10 2444 days true 2.36 48%
Andreas Mouteiro 9/10 2444 days true 2.36 48%
Josefin Lind 10/10 2445 days true 2.36 48%
Herman Holmgist 10/10 2445 days true 2.36 48%
Felicitas 9/10 2467 days true 2.32 47%
Antoine 8/10 2475 days true 2.18 44%
Mara K 10/10 2494 days 2.26 46%
Emilie Chanbon 10/10 2497 days true 2.26 46%
Alexis Redor 10/10 2497 days true 2.26 46%
Julia Amberger 8/10 2516 days true 2.11 43%
Annalina Drebald 8/10 2516 days true 2.11 43%
balesdent 9/10 2522 days true 2.21 45%
Alineet Gautier 10/10 2525 days true 2.2 44%
Annika Schmidt 10/10 2805 days true 1.65 33%
Patrick Stoeit 10/10 2805 days true 1.65 33%
Audrey Ripoche 9/10 2807 days true 1.65 33%
Rey Germain 9/10 2807 days true 1.65 33%
Christofer Tonn 10/10 2817 days true 1.63 33%
Ann Furlong 10/10 2825 days true 1.61 33%
Trudy Ryan 8/10 2825 days true 1.53 31%
Jill Fischer 10/10 2831 days 1.6 32%
Kim 10/10 2831 days 1.6 32%
Francois Marchar 9/10 2841 days true 1.58 32%
Jan Zimmerman 10/10 2846 days true 1.57 32%
Elvin Teo 10/10 2859 days 1.55 31%
Rob 9/10 2907 days true 1.45 29%
Andreas Garbin 10/10 2909 days true 1.45 29%
Joanna 9/10 2927 days true 1.41 29%
Mellow 10/10 2951 days 1.37 28%
whalelover88 10/10 3104 days 1.07 22%
Jos Schieveen 8/10 3175 days true 0.88 18%
Goran Backlund 9/10 3181 days true 0.92 19%
Nathan Sait 10/10 3188 days true 0.9 18%
Toby Clark 10/10 3188 days true 0.9 18%
Maxine Gilman 10/10 3191 days true 0.9 18%
Harald 9/10 3205 days true 0.87 18%
Dominik Langenegger 9/10 3207 days true 0.87 18%
Rebecca Richardson 9/10 3207 days true 0.87 18%
Andrew Powell 9/10 3207 days true 0.87 18%
Peter Field 10/10 3207 days true 0.87 18%
Eric Lombaard 8/10 3208 days true 0.82 17%
Nicholas Prakenhammar 10/10 3209 days true 0.86 17%
Peter Wall 7/10 3209 days true 0.79 16%
Verne Heath 8/10 3210 days true 0.82 17%
John O'Donnell 10/10 3211 days true 0.86 17%
Paul Fairbrass 10/10 3218 days true 0.85 17%
Frank Krivauek 10/10 3219 days true 0.84 17%
Rocco Christian 7/10 3219 days true 0.77 16%
Kurt & Noemi Buhler 7/10 3220 days true 0.77 15%
Therese 7/10 3223 days true 0.76 15%
Katie K 9/10 3234 days true 0.81 16%
CMJ 10/10 3256 days 0.77 16%
Jacqueline 10/10 3287 days 0.71 14%
Marc & Pauline 9/10 3293 days true 0.7 14%
Kevin & Chris 9/10 3294 days true 0.7 14%
Robin & Sandra Dijke 9/10 3296 days true 0.69 14%
Laura McCusker 8/10 3303 days true 0.65 13%
Dexter 10/10 3501 days 0.29 6%
Jasmin Loeffler 10/10 3507 days true 0.28 6%
Natascha Rachel 10/10 3507 days true 0.28 6%
Res Kormann 10/10 3520 days true 0.25 5%
Sarah James 10/10 3530 days true 0.23 5%
Nick Taylor 10/10 3530 days true 0.23 5%
Nicola Young 10/10 3530 days true 0.23 5%
Stefan Elsenbruch 9/10 3535 days true 0.23 5%
Stefanie 7/10 3545 days true 0.19 4%
Koen Vanlede 10/10 3548 days true 0.2 4%
Van Vliet 8/10 3549 days true 0.19 4%
Vanessa Vogel 10/10 3552 days true 0.19 4%
Marcel Camsch 9/10 3554 days true 0.19 4%
Keely & Mark Haynes 10/10 3555 days true 0.19 4%
Svea Sauter 10/10 3555 days true 0.19 4%
henriket 10/10 3556 days true 0.18 4%
Amanda Wells 10/10 3556 days true 0.18 4%
K & J Overton 9/10 3556 days true 0.18 4%
Jerry & Floon 9/10 3560 days true 0.18 4%
Bartl 10/10 3560 days true 0.18 4%
travellingfamilyof6 10/10 3562 days 0.17 3%
WeddingMaven 10/10 3562 days 0.17 3%
Lieve Verdonck 8/10 3563 days true 0.16 3%
Victoria Purver 8/10 3565 days true 0.16 3%
Thelia Beament 9/10 3565 days true 0.17 3%
Edwards 9/10 3569 days true 0.16 3%
Mark Irwin 9/10 3573 days true 0.15 3%
Agnes McMillan 10/10 3574 days true 0.15 3%
Leslie 9/10 3574 days true 0.15 3%
Selina Mueller 10/10 3576 days true 0.14 3%
Jill Dean 10/10 3577 days true 0.14 3%
Chloe Finster 10/10 3577 days true 0.14 3%
Vanderhorst 9/10 3578 days true 0.14 3%
Judith K. 10/10 3580 days true 0.14 3%
Amanda Wallace 9/10 3580 days true 0.14 3%
Mark Aarts 10/10 3581 days true 0.14 3%
Forestal Youri 9/10 3582 days true 0.13 3%
Dave and Lin Mungham 10/10 3583 days true 0.13 3%
Jane Hancock 10/10 3585 days true 0.13 3%
Stephi 10/10 3590 days 0.12 2%
Amanda 10/10 3590 days 0.12 2%
Mick Doherty 9/10 3621 days 0.06 1%
hendrik king 7/10 3621 days 0.05 1%
Shoe 10/10 3652 days 0.0 0%
marcvergroesen 9/10 3866 days 0.0 0%
Jenny Leyland 9/10 3866 days 0.0 0%
MarcyMark 10/10 3896 days 0.0 0%
katrina Marshall 10/10 3913 days true 0.0 0%
Von 9/10 3927 days 0.0 0%
Judith 8/10 3933 days true 0.0 0%
Doris Resch 10/10 3933 days true 0.0 0%
Sheila Morgan 10/10 3936 days true 0.0 0%
Maria Newton 9/10 3937 days true 0.0 0%
Faller 10/10 3950 days true 0.0 0%
Wim Van Gastel 8/10 3953 days true 0.0 0%
Laura Walters 9/10 3954 days true 0.0 0%
Chance McGuire 10/10 3955 days 0.0 0%
cees juffermans 9/10 3968 days true 0.0 0%
Markus 10/10 3971 days true 0.0 0%
Grainne Ahern 10/10 3986 days 0.0 0%
sutuckey 10/10 3986 days 0.0 0%
Honeymooners 10/10 3986 days 0.0 0%
sophiep 9/10 4001 days true 0.0 0%
chuckchallenger 10/10 4017 days 0.0 0%
mdarras 9/10 4021 days true 0.0 0%
joramv 9/10 4021 days true 0.0 0%
Michelle Kraemer 10/10 4024 days true 0.0 0%
Kimberly Skyes 10/10 4024 days true 0.0 0%
Ruth Colmer 9/10 4027 days true 0.0 0%
maleta 8/10 4038 days true 0.0 0%
Simon_and_Jane_OZ 9/10 4231 days 0.0 0%
JoF 10/10 4253 days true 0.0 0%
Christian Kamm 10/10 4258 days true 0.0 0%
Michael Maddams 7/10 4259 days true 0.0 0%
Joanna Harrnon 10/10 4260 days true 0.0 0%
Sarah 8/10 4260 days true 0.0 0%
David 10/10 4261 days 0.0 0%
jjakkeren 9/10 4261 days true 0.0 0%
Alanna 10/10 4262 days true 0.0 0%
ElissaH 10/10 4263 days true 0.0 0%
Andrew Smith 9/10 4267 days true 0.0 0%
Jean 10/10 4277 days true 0.0 0%
CarinaB1 10/10 4282 days true 0.0 0%
Lindsey 9/10 4292 days 0.0 0%
Lisa 10/10 4297 days true 0.0 0%
Laura 8/10 4300 days true 0.0 0%
kiwibrit86 9/10 4302 days 0.0 0%
Visken 10/10 4304 days true 0.0 0%
Christina 10/10 4309 days true 0.0 0%
RachaelO 10/10 4311 days true 0.0 0%
Marianne 10/10 4311 days true 0.0 0%
Peppa 10/10 4311 days true 0.0 0%
Jackie 9/10 4325 days true 0.0 0%
Patrick 9/10 4325 days true 0.0 0%
Carla 8/10 4327 days true 0.0 0%
Keith 10/10 4333 days 0.0 0%
Saskia 9/10 4333 days true 0.0 0%
Patrick 10/10 4337 days true 0.0 0%
Charlie 9/10 4341 days true 0.0 0%
Ten 10/10 4341 days true 0.0 0%
Kevin Dangerfield 10/10 4350 days 0.0 0%
Graham 9/10 4365 days true 0.0 0%
David 10/10 4374 days true 0.0 0%
Eveline 10/10 4374 days true 0.0 0%
Mette 10/10 4381 days true 0.0 0%
Rowan 9/10 4406 days true 0.0 0%
Hanna 10/10 4406 days true 0.0 0%
Sally Walker 10/10 4412 days 0.0 0%
abby 10/10 4418 days true 0.0 0%
Paul 10/10 4428 days true 0.0 0%
Peter 10/10 4436 days true 0.0 0%
Anna 10/10 4458 days true 0.0 0%
Liz 9/10 4467 days true 0.0 0%
Laura 8/10 4467 days true 0.0 0%
Amy Shields 7/10 4471 days true 0.0 0%
Erin 9/10 4479 days true 0.0 0%
George Burgas 7/10 4485 days true 0.0 0%
Sharon Curly 7/10 4493 days true 0.0 0%
Peddy 8/10 4496 days 0.0 0%
Christine 9/10 4509 days true 0.0 0%
Charlie Bond 8/10 4542 days true 0.0 0%
SandyS 10/10 4596 days 0.0 0%
BexStar 10/10 4609 days 0.0 0%
Galen 9/10 4627 days true 0.0 0%
Monica Black 10/10 4627 days true 0.0 0%
Denise 10/10 4644 days true 0.0 0%
Ria 9/10 4648 days true 0.0 0%
Christian 7/10 4648 days true 0.0 0%
Wiebke 9/10 4652 days true 0.0 0%
Phil Connelly 9/10 4653 days true 0.0 0%
Amanda 9/10 4659 days true 0.0 0%
Erwin de Kleijn 9/10 4666 days true 0.0 0%
Nick 10/10 4675 days true 0.0 0%
John 9/10 4675 days true 0.0 0%
Sandra Gustafson 10/10 4703 days true 0.0 0%
Jo 10/10 4703 days true 0.0 0%
Helena 10/10 4704 days true 0.0 0%
Seldam 8/10 4709 days true 0.0 0%
Andrew Purdam 7/10 4717 days 0.0 0%
Gerber Liselotte 10/10 4735 days true 0.0 0%
Gabriela Herger 8/10 4743 days true 0.0 0%
Jane Coleman 8/10 4746 days true 0.0 0%
Wendy Williams 9/10 4753 days true 0.0 0%
Claire 8/10 4977 days true 0.0 0%
Will 9/10 4977 days true 0.0 0%
JanKovar 10/10 4979 days true 0.0 0%
Justin 10/10 4982 days true 0.0 0%
Beth 9/10 4988 days true 0.0 0%
Hanneke 9/10 4989 days true 0.0 0%
Cat 8/10 4991 days true 0.0 0%
MartinTrenker 9/10 4997 days true 0.0 0%
Janneke 10/10 4998 days true 0.0 0%
Renee 9/10 5001 days true 0.0 0%
Elke 8/10 5016 days true 0.0 0%
Malon 10/10 5017 days true 0.0 0%
Ralph 10/10 5026 days true 0.0 0%
Lucy 10/10 5026 days true 0.0 0%
Gordon 8/10 5038 days true 0.0 0%
Beate 9/10 5039 days true 0.0 0%
MartinJago 8/10 5050 days true 0.0 0%

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

-4.07% 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 -4.01%
198 -4.03%
199 -4.05%
200 -4.07%
201 -4.09%
202 -4.11%
203 -4.13%

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.