Ranking Score Explained

Hi, 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 Abel Tasman Sea Shuttle.

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.

Cymen Crick's avatar

Cymen Crick

Rankers Owner

Abel Tasman Sea Shuttle

Valid Reviews

399 Valid Reviews

The Abel Tasman Sea Shuttle experience has a total of 400 reviews. There are 399 valid reviews that are included when calculating the ranking score and 1 invalid review 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 399 valid reviews:

Rating Count Percentage
10/10 113
28%
9/10 135
34%
8/10 105
26%
7/10 30
8%
6/10 10
3%
5/10 4
1%
4/10 2
1%
3/10 0
0%
2/10 0
0%
1/10 0
0%

87.29% Average

The raw data average (mean) for all the Abel Tasman Sea Shuttle valid reviews is 87.29% and is based on 399 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

385 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 399 valid reviews, the experience has 385 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 385 face-to-face reviews:

Rating Count Percentage
10/10 103
27%
9/10 133
35%
8/10 104
27%
7/10 29
8%
6/10 10
3%
5/10 4
1%
4/10 2
1%
3/10 0
0%
2/10 0
0%
1/10 0
0%

87.01% Average

The raw data average (mean) for all the Abel Tasman Sea Shuttle face-to-face reviews is 87.01% and is based on 385 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

88.18%

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
Mel brown 10/10 1515 days 100%
S Weslake 10/10 2552 days 34%
Wendy 8/10 2950 days 26%
David 9/10 2950 days 26%
DEBBIE LAMBERT 10/10 2961 days 26%
Charlie Friesen 10/10 3006 days 25%
Guenter 10/10 3036 days 25%
Niels 9/10 3045 days 24%
Tom Brien 8/10 3282 days 20%
Carl 9/10 3309 days 19%
Ferry and Carlyn 9/10 3327 days 19%
Virgil Spruit 9/10 3367 days 18%
GONZALEZ ROBERTO 10/10 3433 days 17%
Megan 10/10 3641 days 13%
Felix Holm 7/10 3719 days 11%
Marion and Ralf 9/10 3738 days 11%
Astrid Egesten 4/10 3745 days 7%
Anna Grafenstein 8/10 3978 days 7%
Alisa 10/10 3981 days 7%
Laura 10/10 3981 days 7%
Jan Legein 10/10 3990 days 7%
Veeh Barrington 7/10 4014 days 6%
Rita Hochstiasser 8/10 4038 days 6%
Sue L 10/10 4041 days 6%
Brian 8/10 4133 days 4%
Christin Woelk 9/10 4342 days 0%
Rouquette 7/10 4388 days 8%
Bucher 10/10 4453 days 9%
Tony Hines 9/10 4454 days 9%
Al Stuart 6/10 4455 days 8%
Moorman 7/10 4459 days 8%
Urs Kloter 8/10 4459 days 9%
Brian Howe 10/10 4461 days 9%
Peter 10/10 4461 days 9%
Reinhard Stahl 9/10 4473 days 9%
Reinhard Stahl 9/10 4473 days 9%
Urs Zuercher 10/10 4473 days 9%
Peter Harden 10/10 4473 days 9%
Reijans 9/10 4474 days 9%
Judy 10/10 4477 days 9%
Henzen 8/10 4477 days 9%
Eric and Jen Popma 10/10 4478 days 9%
Stevie 9/10 4480 days 9%
Christian 10/10 4480 days 9%
Frederick Neilsen 6/10 4480 days 8%
John Freeman 10/10 4484 days 9%
Verest 9/10 4484 days 9%
Kali Lohman 7/10 4484 days 8%
Ton Franke 9/10 4484 days 9%
Stefan Roth 9/10 4484 days 9%
Marjo Cousijn 9/10 4485 days 9%
Megan Child 7/10 4485 days 8%
Roshnie 6/10 4498 days 8%
Adrian Weidell 8/10 4673 days 9%
Dovis Heinemann 10/10 4727 days 9%
Mark Westebring 8/10 4730 days 9%
Sally Gordie 8/10 4730 days 9%
Oliver Hardt 8/10 4732 days 9%
Petr Stepanek 10/10 4735 days 9%
Clausen 9/10 4736 days 9%
Val Phillips 9/10 4736 days 9%
Sabrina Germany 6/10 4738 days 8%
Armin Boehmer 8/10 4738 days 9%
Frank Claassen 7/10 4739 days 8%
tmdilly 7/10 4743 days 8%
Wright 8/10 4747 days 9%
B Sluis 8/10 4752 days 9%
Mark Bogton 9/10 4752 days 9%
Karl Brachtl 10/10 4752 days 9%
Michael Stoll 7/10 4753 days 8%
Martin & Dee Bellarby 10/10 4753 days 9%
Patrick Grant 9/10 4753 days 9%
Miina Hyuonen 8/10 4754 days 9%
Peter & Kate Carmichael 8/10 4754 days 9%
Chris 8/10 4754 days 9%
Stam 8/10 4754 days 9%
Nico Schoots 7/10 4754 days 8%
Russell Eames 8/10 4755 days 9%
Annie 8/10 4755 days 9%
R E Webb 8/10 4755 days 9%
Mickey 7/10 4755 days 8%
Cynthia 10/10 4755 days 9%
Rene 10/10 4755 days 9%
Patricia Fearon 8/10 4755 days 9%
Jacques Duyvestijn 8/10 4756 days 9%
Dominique 9/10 4756 days 9%
Russell 9/10 4757 days 9%
M Abbott 9/10 4757 days 9%
Walter & Heidi Baumann 10/10 4757 days 9%
Houter 8/10 4757 days 9%
Diane Moss 8/10 4757 days 9%
Robert McIlraith 10/10 4758 days 9%
Susie Christensen 8/10 4758 days 9%
Nic Roggeman 9/10 4759 days 9%
Thomas & Ruth Hardmeier 10/10 4760 days 9%
de Weijer 8/10 4760 days 9%
Beyeler 10/10 4760 days 9%
Aled 8/10 4761 days 9%
Lynn Robinson 9/10 4764 days 9%
Suzanne van Kol 9/10 4765 days 9%
Schweiger 10/10 4767 days 9%
Rowena and Ian Lanyon 9/10 4767 days 9%
Robert MacLeod-Smith 8/10 4768 days 9%
Soren Storeboerg 8/10 4769 days 9%
Steve Collier 9/10 4771 days 9%
Dick van Doorn 8/10 4771 days 9%
Heini 8/10 4771 days 9%
Barrie Corless 9/10 4771 days 9%
Stig Domander 9/10 4785 days 9%
Rhi 10/10 4803 days 9%
Tobias Forst 8/10 4835 days 9%
Arnoldus Bergmans 9/10 4838 days 9%
Dirk Faupel 9/10 4838 days 9%
Dirk Faupel 9/10 4838 days 9%
Chris Muller 8/10 4838 days 9%
Jo Delbrugge 9/10 4838 days 9%
Sarah and Soren 9/10 4840 days 9%
van Rees 9/10 4843 days 9%
Robin & Sandra Dijke 8/10 4843 days 9%
Jan & Marian 9/10 4846 days 9%
David & Mary-Jane Ryder 10/10 4846 days 9%
Caroline 9/10 4848 days 9%
Leif Sorensen 10/10 4848 days 9%
Andy Lever 5/10 4849 days 7%
Johanna Maria Brigitta 8/10 4849 days 9%
Konny 10/10 4850 days 9%
Theresa 9/10 4850 days 9%
Rudy Witt 9/10 4850 days 9%
Peter Spooner 10/10 4851 days 9%
Gary A 9/10 4864 days 9%
damaca 10/10 4925 days 9%
Janet Arber 9/10 5059 days 9%
Ralph & Marloes Meyers 7/10 5077 days 8%
Derek 10/10 5089 days 9%
Brian & Di 9/10 5091 days 9%
Eric & Liz McKean 10/10 5091 days 9%
Leon van Hengel 8/10 5092 days 9%
Barbara Probert 9/10 5093 days 9%
Kuhu 9/10 5093 days 9%
Richard Dudfield 8/10 5095 days 9%
Robin Adair 10/10 5096 days 9%
Graham Mason 10/10 5096 days 9%
Oppenoorth 9/10 5097 days 9%
Shane Curline 8/10 5099 days 9%
Michael Orme 9/10 5099 days 9%
Peter & Angela Brown 9/10 5099 days 9%
Janey Chamberlain 8/10 5100 days 9%
Joop Ezendam 8/10 5101 days 9%
J Palmer 7/10 5101 days 8%
David Mellard 10/10 5101 days 9%
Nicola Shaw 10/10 5102 days 9%
Diane Johnston 9/10 5102 days 9%
Richard Broughton 9/10 5103 days 9%
Chris & Anne Pearson 6/10 5103 days 8%
Patrick Schaad 9/10 5103 days 9%
Gerstmann 9/10 5103 days 9%
Aln 8/10 5103 days 9%
Fam de Kruyf 8/10 5106 days 9%
Martin 9/10 5107 days 9%
Jack Vermeidem 8/10 5107 days 9%
Jan Visser 8/10 5109 days 9%
Marjan Van Den Braak 7/10 5110 days 8%
Tyson Burnett 8/10 5110 days 9%
John Gray 8/10 5110 days 9%
Colin Lockwood 8/10 5112 days 9%
David Emerick 10/10 5112 days 9%
Hadleigh 9/10 5114 days 9%
Marcus 9/10 5114 days 9%
Manu & Gabi 10/10 5114 days 9%
Peter 8/10 5114 days 9%
Bert Opdam 8/10 5119 days 9%
Anita Aleva 8/10 5121 days 9%
Leslie 9/10 5121 days 9%
Pat MacDonald 9/10 5124 days 9%
Jill Dean 9/10 5124 days 9%
Martin Current 8/10 5124 days 9%
Jane & Regis 9/10 5125 days 9%
Teum and Orselien 6/10 5125 days 8%
Graham 9/10 5125 days 9%
Ross Hughes 8/10 5128 days 9%
Sarraute 9/10 5129 days 9%
Webster 10/10 5130 days 9%
Jarob Brezigar 9/10 5130 days 9%
Lynn Leitch 10/10 5130 days 9%
Lili 6/10 5130 days 8%
Michael Duckert 9/10 5131 days 9%
Loren van Oordt 10/10 5132 days 9%
Tom Hill 10/10 5132 days 9%
D Oostrum 8/10 5132 days 9%
Elinor Bell 9/10 5132 days 9%
Tanner 10/10 5132 days 9%
John Fry 8/10 5132 days 9%
T Chapman 8/10 5132 days 9%
Ewald Waldner 9/10 5133 days 9%
Chris Chasemore 9/10 5133 days 9%
H Schepers 8/10 5133 days 9%
Steve & Susan Allan 9/10 5134 days 9%
Barbara Koegel 8/10 5134 days 9%
Andreas Neo 5/10 5134 days 7%
Grada Anderson 10/10 5137 days 9%
Chamton 8/10 5137 days 9%
Richardr1 10/10 5392 days 9%
Versteeg 8/10 5395 days 9%
Jon van Hanten 8/10 5399 days 9%
Charli Skinner 9/10 5404 days 9%
Kurt 9/10 5407 days 9%
Sophie & Joffrey 7/10 5408 days 8%
Jane and Dave 10/10 5410 days 9%
Peter Aerborg 9/10 5410 days 9%
krisevelyn 8/10 5413 days 9%
steveE 9/10 5413 days 9%
Maria 8/10 5443 days 9%
maggie Webster 7/10 5460 days 8%
katrina Marshall 10/10 5460 days 9%
Bergemann 10/10 5460 days 9%
Don Keith 6/10 5461 days 8%
OMPA 10/10 5462 days 9%
Theresa 10/10 5462 days 9%
George Lepple 10/10 5467 days 9%
Sue S 10/10 5469 days 9%
Ralph 4/10 5471 days 6%
Gerdes 9/10 5471 days 9%
Main 10/10 5475 days 9%
Stanna 9/10 5475 days 9%
Susan & Richard 10/10 5477 days 9%
Zareua Boree 9/10 5477 days 9%
S Millet 9/10 5480 days 9%
Muller Weissert 10/10 5481 days 9%
Frans N 10/10 5482 days 9%
Sue Bennett 8/10 5484 days 9%
Hans de Rijk 7/10 5484 days 8%
David Rich 9/10 5487 days 9%
Walter 8/10 5488 days 9%
Ferth 9/10 5488 days 9%
J Kempeneers 7/10 5488 days 8%
Vandeput 9/10 5488 days 9%
Marco 8/10 5490 days 9%
John Winter 8/10 5499 days 9%
Sinjc Grude 8/10 5499 days 9%
Hoogh 8/10 5499 days 9%
Keith Maplestone 8/10 5501 days 9%
John Rylance 10/10 5501 days 9%
Anne Fri 8/10 5501 days 9%
uleugel 9/10 5511 days 9%
Sabine Locker 8/10 5518 days 9%
Family van Hessem 7/10 5522 days 8%
Alibeare 10/10 5533 days 9%
graemeh1 9/10 5548 days 9%
klinger 10/10 5548 days 9%
wenerz 8/10 5549 days 9%
ilkal 9/10 5550 days 9%
susanl 10/10 5555 days 9%
Robbertsen 6/10 5556 days 8%
pimn 9/10 5558 days 9%
thomash 10/10 5558 days 9%
jamesg 9/10 5562 days 9%
pthreadgood 9/10 5562 days 9%
Gary Brown 10/10 5566 days 9%
Sandra M 8/10 5566 days 9%
dirkdev 9/10 5568 days 9%
Bill Nash 10/10 5568 days 9%
H Simpson 10/10 5568 days 9%
Wolfgang Mages 10/10 5568 days 9%
Colin S 9/10 5572 days 9%
Jenny Davies 8/10 5574 days 9%
Alan Riley 9/10 5576 days 9%
Ann Riley 9/10 5576 days 9%
Hennie Neeleman 9/10 5576 days 9%
Pieter Neeleman 8/10 5576 days 9%
Daniel Alonso 9/10 5576 days 9%
Hans Barth 8/10 5584 days 9%
Jenny and Dave Close 9/10 5587 days 9%
Graham Butt 8/10 5587 days 9%
Claudia 10/10 5587 days 9%
Evan 9/10 5625 days 9%
marleen451 9/10 5625 days 9%
johanw 9/10 5680 days 9%
ulrichk 10/10 5681 days 9%
lee 10/10 5778 days 9%
EvertG 8/10 5789 days 9%
CarolN 8/10 5792 days 9%
Andrew Lonsdale 8/10 5796 days 9%
RosemaryC 7/10 5805 days 8%
Christian Kamm 10/10 5805 days 9%
caroldarren 9/10 5808 days 9%
monikav 10/10 5808 days 9%
Silvia Huerlimann 9/10 5808 days 9%
Kim 8/10 5812 days 9%
PaulC 10/10 5814 days 9%
Thomas1646 9/10 5815 days 9%
HenizV 9/10 5817 days 9%
EstherW 9/10 5817 days 9%
Marc 7/10 5817 days 8%
LosItaly 10/10 5820 days 9%
Rissmann 9/10 5824 days 9%
Mick 10/10 5824 days 9%
Mayer 9/10 5824 days 9%
BernardK 9/10 5825 days 9%
Vivien Williams 10/10 5826 days 9%
Barry Smith 10/10 5828 days 9%
Siemens 8/10 5828 days 9%
Suzie Lechner 10/10 5828 days 9%
Danlin Yang 8/10 5831 days 9%
A 8/10 5832 days 9%
Dalibor 8/10 5842 days 9%
LindaV 8/10 5842 days 9%
RodW 10/10 5842 days 9%
CarstenU 10/10 5842 days 9%
CarolB 10/10 5842 days 9%
Elrik frau 9/10 5842 days 9%
MargaretH 10/10 5843 days 9%
Manfred 8/10 5844 days 9%
Kay 8/10 5851 days 9%
Visken 8/10 5851 days 9%
Pascal 6/10 5859 days 8%
Nienhaus 7/10 5875 days 8%
Anna 5/10 5875 days 7%
Liane 10/10 5876 days 9%
Hove 8/10 5880 days 9%
Roger 10/10 5880 days 9%
Bennie 9/10 5880 days 9%
Ellis 9/10 5880 days 9%
Rob 9/10 5880 days 9%
johanna 9/10 5881 days 9%
Kathrin 9/10 5881 days 9%
tommfuller 10/10 5892 days 9%
philipaindow 9/10 5910 days 9%
Grace 8/10 5912 days 9%
Ellen 9/10 5921 days 9%
Getkate 9/10 5929 days 9%
Sid 10/10 5948 days 9%
Paul 7/10 5985 days 8%
Andrew 10/10 5991 days 9%
Terry 9/10 5998 days 9%
Christine 8/10 6060 days 9%
angela 9/10 6191 days 9%
Hoetnagels 7/10 6191 days 8%
Wolfgang 10/10 6195 days 9%
Ria 9/10 6195 days 9%
Annette Hurst 7/10 6198 days 8%
Klaus 10/10 6199 days 9%
Raymond 9/10 6201 days 9%
Richard Steward 7/10 6205 days 8%
Christine McKenna 9/10 6206 days 9%
Kathy Hawey 9/10 6207 days 9%
Jurg Meister 10/10 6208 days 9%
Jurgen Westphal 7/10 6208 days 8%
Sally and David Wallis 9/10 6208 days 9%
Jackie Horwell 10/10 6209 days 9%
Paula Curtis 10/10 6212 days 9%
Claas 9/10 6221 days 9%
Travis 9/10 6244 days 9%
Maria 9/10 6251 days 9%
Jane Holm 8/10 6256 days 9%
Hans 10/10 6279 days 9%
Chris Gedda 8/10 6282 days 9%
Gabriela Herger 7/10 6290 days 8%
Jane Cameron 10/10 6292 days 9%
Jane Coleman 10/10 6293 days 9%
Lyn Saxon 10/10 6293 days 9%
Samuel Brejeon 8/10 6293 days 9%
Manuel 7/10 6297 days 8%
Ole Weber 9/10 6297 days 9%
Ed van Dael 7/10 6300 days 8%
Rene Schotvanger 9/10 6410 days 9%
Jo 10/10 6410 days 9%
Hans Knappmann 10/10 6410 days 9%
Martjn 8/10 6536 days 9%
Sandra 10/10 6545 days 9%
Ruefli 10/10 6545 days 9%
TeamFlorida 10/10 6545 days 9%
Deloraine 10/10 6545 days 9%
Petra 8/10 6545 days 9%
Anita 8/10 6545 days 9%
Oliver 10/10 6545 days 9%
Petra 10/10 6548 days 9%
Hannah 9/10 6548 days 9%
Michael 9/10 6550 days 9%
M Bekker 8/10 6550 days 9%
sebastian 9/10 6559 days 9%
John Beirne 10/10 6562 days 9%
Angela 9/10 6562 days 9%
Frederik 10/10 6562 days 9%
Pam 10/10 6564 days 9%
Kate 5/10 6566 days 7%
Danyel 9/10 6568 days 9%
Arjan 8/10 6569 days 9%
Manfred 9/10 6571 days 9%
Tom 9/10 6573 days 9%
Stefan 10/10 6578 days 9%
Pini 9/10 6584 days 9%
Gordon 8/10 6585 days 9%
Gillian 9/10 6585 days 9%
frank 8/10 6585 days 9%
Harrison 8/10 6586 days 9%
Hennielene 8/10 6586 days 9%
Beate 9/10 6586 days 9%
Leah 9/10 6586 days 9%
Liz 9/10 6586 days 9%

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 Abel Tasman Sea Shuttle experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-4.13% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 54 days. However the Abel Tasman Sea Shuttle 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 Abel Tasman Sea Shuttle experience has been adjusted for 200 days. Adjustments are according to the following table.

Days Adjustment
197 -4.07%
198 -4.09%
199 -4.11%
200 -4.13%
201 -4.15%
202 -4.17%
203 -4.19%

Balancing Adjustment

2.02% 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

86%

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.