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Ranking Score Explained

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 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

87.96%

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 1834 days 100%
S Weslake 10/10 2871 days 59%
Wendy 8/10 3269 days 42%
David 9/10 3269 days 43%
DEBBIE LAMBERT 10/10 3280 days 43%
Charlie Friesen 10/10 3325 days 41%
Guenter 10/10 3356 days 40%
Niels 9/10 3364 days 39%
Tom Brien 8/10 3601 days 29%
Carl 9/10 3628 days 29%
Ferry and Carlyn 9/10 3646 days 28%
Virgil Spruit 9/10 3686 days 26%
GONZALEZ ROBERTO 10/10 3753 days 24%
Megan 10/10 3960 days 16%
Felix Holm 7/10 4038 days 12%
Marion and Ralf 9/10 4057 days 12%
Astrid Egesten 4/10 4064 days 7%
Anna Grafenstein 8/10 4297 days 2%
Alisa 10/10 4300 days 2%
Laura 10/10 4300 days 2%
Jan Legein 10/10 4309 days 2%
Veeh Barrington 7/10 4333 days 1%
Rita Hochstiasser 8/10 4357 days 0%
Sue L 10/10 4360 days 0%
Brian 8/10 4452 days 19%
Christin Woelk 9/10 4661 days 19%
Rouquette 7/10 4707 days 18%
Bucher 10/10 4772 days 19%
Tony Hines 9/10 4773 days 19%
Al Stuart 6/10 4774 days 17%
Moorman 7/10 4778 days 18%
Urs Kloter 8/10 4778 days 19%
Brian Howe 10/10 4780 days 19%
Peter 10/10 4780 days 19%
Reinhard Stahl 9/10 4792 days 19%
Reinhard Stahl 9/10 4792 days 19%
Urs Zuercher 10/10 4792 days 19%
Peter Harden 10/10 4792 days 19%
Reijans 9/10 4793 days 19%
Judy 10/10 4796 days 19%
Henzen 8/10 4796 days 19%
Eric and Jen Popma 10/10 4797 days 19%
Stevie 9/10 4799 days 19%
Christian 10/10 4799 days 19%
Frederick Neilsen 6/10 4799 days 17%
John Freeman 10/10 4803 days 19%
Verest 9/10 4803 days 19%
Kali Lohman 7/10 4803 days 18%
Ton Franke 9/10 4803 days 19%
Stefan Roth 9/10 4803 days 19%
Marjo Cousijn 9/10 4804 days 19%
Megan Child 7/10 4804 days 18%
Roshnie 6/10 4817 days 17%
Adrian Weidell 8/10 4992 days 19%
Dovis Heinemann 10/10 5046 days 19%
Mark Westebring 8/10 5049 days 19%
Sally Gordie 8/10 5049 days 19%
Oliver Hardt 8/10 5051 days 19%
Petr Stepanek 10/10 5054 days 19%
Clausen 9/10 5055 days 19%
Val Phillips 9/10 5055 days 19%
Sabrina Germany 6/10 5057 days 17%
Armin Boehmer 8/10 5057 days 19%
Frank Claassen 7/10 5058 days 18%
tmdilly 7/10 5062 days 18%
Wright 8/10 5066 days 19%
B Sluis 8/10 5071 days 19%
Mark Bogton 9/10 5071 days 19%
Karl Brachtl 10/10 5071 days 19%
Michael Stoll 7/10 5072 days 18%
Martin & Dee Bellarby 10/10 5072 days 19%
Patrick Grant 9/10 5072 days 19%
Miina Hyuonen 8/10 5073 days 19%
Peter & Kate Carmichael 8/10 5073 days 19%
Chris 8/10 5073 days 19%
Stam 8/10 5073 days 19%
Nico Schoots 7/10 5073 days 18%
Russell Eames 8/10 5074 days 19%
Annie 8/10 5074 days 19%
R E Webb 8/10 5074 days 19%
Mickey 7/10 5074 days 18%
Cynthia 10/10 5074 days 19%
Rene 10/10 5074 days 19%
Patricia Fearon 8/10 5074 days 19%
Jacques Duyvestijn 8/10 5075 days 19%
Dominique 9/10 5075 days 19%
Russell 9/10 5076 days 19%
M Abbott 9/10 5076 days 19%
Walter & Heidi Baumann 10/10 5076 days 19%
Houter 8/10 5076 days 19%
Diane Moss 8/10 5076 days 19%
Robert McIlraith 10/10 5077 days 19%
Susie Christensen 8/10 5077 days 19%
Nic Roggeman 9/10 5078 days 19%
Thomas & Ruth Hardmeier 10/10 5079 days 19%
de Weijer 8/10 5079 days 19%
Beyeler 10/10 5079 days 19%
Aled 8/10 5080 days 19%
Lynn Robinson 9/10 5083 days 19%
Suzanne van Kol 9/10 5084 days 19%
Schweiger 10/10 5086 days 19%
Rowena and Ian Lanyon 9/10 5086 days 19%
Robert MacLeod-Smith 8/10 5087 days 19%
Soren Storeboerg 8/10 5088 days 19%
Steve Collier 9/10 5090 days 19%
Dick van Doorn 8/10 5090 days 19%
Heini 8/10 5090 days 19%
Barrie Corless 9/10 5090 days 19%
Stig Domander 9/10 5104 days 19%
Rhi 10/10 5122 days 19%
Tobias Forst 8/10 5154 days 19%
Arnoldus Bergmans 9/10 5157 days 19%
Dirk Faupel 9/10 5157 days 19%
Dirk Faupel 9/10 5157 days 19%
Chris Muller 8/10 5157 days 19%
Jo Delbrugge 9/10 5157 days 19%
Sarah and Soren 9/10 5159 days 19%
van Rees 9/10 5162 days 19%
Robin & Sandra Dijke 8/10 5162 days 19%
Jan & Marian 9/10 5165 days 19%
David & Mary-Jane Ryder 10/10 5165 days 19%
Caroline 9/10 5167 days 19%
Leif Sorensen 10/10 5167 days 19%
Andy Lever 5/10 5168 days 15%
Johanna Maria Brigitta 8/10 5168 days 19%
Konny 10/10 5169 days 19%
Theresa 9/10 5169 days 19%
Rudy Witt 9/10 5169 days 19%
Peter Spooner 10/10 5170 days 19%
Gary A 9/10 5183 days 19%
damaca 10/10 5244 days 19%
Janet Arber 9/10 5378 days 19%
Ralph & Marloes Meyers 7/10 5396 days 18%
Derek 10/10 5408 days 19%
Brian & Di 9/10 5410 days 19%
Eric & Liz McKean 10/10 5410 days 19%
Leon van Hengel 8/10 5411 days 19%
Barbara Probert 9/10 5412 days 19%
Kuhu 9/10 5412 days 19%
Richard Dudfield 8/10 5414 days 19%
Robin Adair 10/10 5415 days 19%
Graham Mason 10/10 5415 days 19%
Oppenoorth 9/10 5416 days 19%
Shane Curline 8/10 5418 days 19%
Michael Orme 9/10 5418 days 19%
Peter & Angela Brown 9/10 5418 days 19%
Janey Chamberlain 8/10 5419 days 19%
Joop Ezendam 8/10 5420 days 19%
J Palmer 7/10 5420 days 18%
David Mellard 10/10 5420 days 19%
Nicola Shaw 10/10 5421 days 19%
Diane Johnston 9/10 5421 days 19%
Richard Broughton 9/10 5422 days 19%
Chris & Anne Pearson 6/10 5422 days 17%
Patrick Schaad 9/10 5422 days 19%
Gerstmann 9/10 5422 days 19%
Aln 8/10 5422 days 19%
Fam de Kruyf 8/10 5425 days 19%
Martin 9/10 5426 days 19%
Jack Vermeidem 8/10 5426 days 19%
Jan Visser 8/10 5428 days 19%
Marjan Van Den Braak 7/10 5429 days 18%
Tyson Burnett 8/10 5429 days 19%
John Gray 8/10 5429 days 19%
Colin Lockwood 8/10 5431 days 19%
David Emerick 10/10 5431 days 19%
Hadleigh 9/10 5433 days 19%
Marcus 9/10 5433 days 19%
Manu & Gabi 10/10 5433 days 19%
Peter 8/10 5433 days 19%
Bert Opdam 8/10 5438 days 19%
Anita Aleva 8/10 5440 days 19%
Leslie 9/10 5440 days 19%
Pat MacDonald 9/10 5443 days 19%
Jill Dean 9/10 5443 days 19%
Martin Current 8/10 5443 days 19%
Jane & Regis 9/10 5444 days 19%
Teum and Orselien 6/10 5444 days 17%
Graham 9/10 5444 days 19%
Ross Hughes 8/10 5447 days 19%
Sarraute 9/10 5448 days 19%
Webster 10/10 5449 days 19%
Jarob Brezigar 9/10 5449 days 19%
Lynn Leitch 10/10 5449 days 19%
Lili 6/10 5449 days 17%
Michael Duckert 9/10 5450 days 19%
Loren van Oordt 10/10 5451 days 19%
Tom Hill 10/10 5451 days 19%
D Oostrum 8/10 5451 days 19%
Elinor Bell 9/10 5451 days 19%
Tanner 10/10 5451 days 19%
John Fry 8/10 5451 days 19%
T Chapman 8/10 5451 days 19%
Ewald Waldner 9/10 5452 days 19%
Chris Chasemore 9/10 5452 days 19%
H Schepers 8/10 5452 days 19%
Steve & Susan Allan 9/10 5453 days 19%
Barbara Koegel 8/10 5453 days 19%
Andreas Neo 5/10 5453 days 15%
Grada Anderson 10/10 5456 days 19%
Chamton 8/10 5456 days 19%
Richardr1 10/10 5711 days 19%
Versteeg 8/10 5714 days 19%
Jon van Hanten 8/10 5718 days 19%
Charli Skinner 9/10 5723 days 19%
Kurt 9/10 5726 days 19%
Sophie & Joffrey 7/10 5727 days 18%
Jane and Dave 10/10 5729 days 19%
Peter Aerborg 9/10 5729 days 19%
krisevelyn 8/10 5732 days 19%
steveE 9/10 5732 days 19%
Maria 8/10 5762 days 19%
maggie Webster 7/10 5779 days 18%
katrina Marshall 10/10 5779 days 19%
Bergemann 10/10 5779 days 19%
Don Keith 6/10 5780 days 17%
OMPA 10/10 5781 days 19%
Theresa 10/10 5781 days 19%
George Lepple 10/10 5786 days 19%
Sue S 10/10 5788 days 19%
Ralph 4/10 5790 days 12%
Gerdes 9/10 5790 days 19%
Main 10/10 5794 days 19%
Stanna 9/10 5794 days 19%
Susan & Richard 10/10 5796 days 19%
Zareua Boree 9/10 5796 days 19%
S Millet 9/10 5799 days 19%
Muller Weissert 10/10 5800 days 19%
Frans N 10/10 5801 days 19%
Sue Bennett 8/10 5803 days 19%
Hans de Rijk 7/10 5803 days 18%
David Rich 9/10 5806 days 19%
Walter 8/10 5807 days 19%
Ferth 9/10 5807 days 19%
J Kempeneers 7/10 5807 days 18%
Vandeput 9/10 5807 days 19%
Marco 8/10 5809 days 19%
John Winter 8/10 5818 days 19%
Sinjc Grude 8/10 5818 days 19%
Hoogh 8/10 5818 days 19%
Keith Maplestone 8/10 5820 days 19%
John Rylance 10/10 5820 days 19%
Anne Fri 8/10 5820 days 19%
uleugel 9/10 5830 days 19%
Sabine Locker 8/10 5837 days 19%
Family van Hessem 7/10 5841 days 18%
Alibeare 10/10 5852 days 19%
graemeh1 9/10 5867 days 19%
klinger 10/10 5867 days 19%
wenerz 8/10 5868 days 19%
ilkal 9/10 5869 days 19%
susanl 10/10 5874 days 19%
Robbertsen 6/10 5875 days 17%
pimn 9/10 5877 days 19%
thomash 10/10 5877 days 19%
jamesg 9/10 5881 days 19%
pthreadgood 9/10 5881 days 19%
Gary Brown 10/10 5885 days 19%
Sandra M 8/10 5885 days 19%
dirkdev 9/10 5887 days 19%
Bill Nash 10/10 5887 days 19%
H Simpson 10/10 5887 days 19%
Wolfgang Mages 10/10 5887 days 19%
Colin S 9/10 5891 days 19%
Jenny Davies 8/10 5893 days 19%
Alan Riley 9/10 5895 days 19%
Ann Riley 9/10 5895 days 19%
Hennie Neeleman 9/10 5895 days 19%
Pieter Neeleman 8/10 5895 days 19%
Daniel Alonso 9/10 5895 days 19%
Hans Barth 8/10 5903 days 19%
Jenny and Dave Close 9/10 5906 days 19%
Graham Butt 8/10 5906 days 19%
Claudia 10/10 5906 days 19%
Evan 9/10 5944 days 19%
marleen451 9/10 5944 days 19%
johanw 9/10 5999 days 19%
ulrichk 10/10 6000 days 19%
lee 10/10 6097 days 19%
EvertG 8/10 6108 days 19%
CarolN 8/10 6111 days 19%
Andrew Lonsdale 8/10 6115 days 19%
RosemaryC 7/10 6124 days 18%
Christian Kamm 10/10 6124 days 19%
caroldarren 9/10 6127 days 19%
monikav 10/10 6127 days 19%
Silvia Huerlimann 9/10 6127 days 19%
Kim 8/10 6132 days 19%
PaulC 10/10 6134 days 19%
Thomas1646 9/10 6134 days 19%
HenizV 9/10 6137 days 19%
EstherW 9/10 6137 days 19%
Marc 7/10 6137 days 18%
LosItaly 10/10 6139 days 19%
Rissmann 9/10 6143 days 19%
Mick 10/10 6144 days 19%
Mayer 9/10 6144 days 19%
BernardK 9/10 6144 days 19%
Vivien Williams 10/10 6145 days 19%
Barry Smith 10/10 6147 days 19%
Siemens 8/10 6147 days 19%
Suzie Lechner 10/10 6147 days 19%
Danlin Yang 8/10 6150 days 19%
A 8/10 6152 days 19%
Dalibor 8/10 6161 days 19%
LindaV 8/10 6161 days 19%
RodW 10/10 6161 days 19%
CarstenU 10/10 6161 days 19%
CarolB 10/10 6161 days 19%
Elrik frau 9/10 6161 days 19%
MargaretH 10/10 6162 days 19%
Manfred 8/10 6164 days 19%
Kay 8/10 6171 days 19%
Visken 8/10 6171 days 19%
Pascal 6/10 6178 days 17%
Nienhaus 7/10 6195 days 18%
Anna 5/10 6195 days 15%
Liane 10/10 6196 days 19%
Hove 8/10 6200 days 19%
Roger 10/10 6200 days 19%
Bennie 9/10 6200 days 19%
Ellis 9/10 6200 days 19%
Rob 9/10 6200 days 19%
johanna 9/10 6201 days 19%
Kathrin 9/10 6201 days 19%
tommfuller 10/10 6212 days 19%
philipaindow 9/10 6230 days 19%
Grace 8/10 6232 days 19%
Ellen 9/10 6241 days 19%
Getkate 9/10 6249 days 19%
Sid 10/10 6268 days 19%
Paul 7/10 6305 days 18%
Andrew 10/10 6311 days 19%
Terry 9/10 6318 days 19%
Christine 8/10 6380 days 19%
angela 9/10 6510 days 19%
Hoetnagels 7/10 6510 days 18%
Wolfgang 10/10 6514 days 19%
Ria 9/10 6514 days 19%
Annette Hurst 7/10 6517 days 18%
Klaus 10/10 6518 days 19%
Raymond 9/10 6520 days 19%
Richard Steward 7/10 6524 days 18%
Christine McKenna 9/10 6525 days 19%
Kathy Hawey 9/10 6526 days 19%
Jurg Meister 10/10 6527 days 19%
Jurgen Westphal 7/10 6527 days 18%
Sally and David Wallis 9/10 6527 days 19%
Jackie Horwell 10/10 6528 days 19%
Paula Curtis 10/10 6531 days 19%
Claas 9/10 6540 days 19%
Travis 9/10 6563 days 19%
Maria 9/10 6570 days 19%
Jane Holm 8/10 6575 days 19%
Hans 10/10 6598 days 19%
Chris Gedda 8/10 6601 days 19%
Gabriela Herger 7/10 6609 days 18%
Jane Cameron 10/10 6611 days 19%
Jane Coleman 10/10 6612 days 19%
Lyn Saxon 10/10 6612 days 19%
Samuel Brejeon 8/10 6612 days 19%
Manuel 7/10 6616 days 18%
Ole Weber 9/10 6616 days 19%
Ed van Dael 7/10 6619 days 18%
Rene Schotvanger 9/10 6729 days 19%
Jo 10/10 6729 days 19%
Hans Knappmann 10/10 6729 days 19%
Martjn 8/10 6855 days 19%
Sandra 10/10 6864 days 19%
Ruefli 10/10 6864 days 19%
TeamFlorida 10/10 6864 days 19%
Deloraine 10/10 6864 days 19%
Petra 8/10 6864 days 19%
Anita 8/10 6864 days 19%
Oliver 10/10 6864 days 19%
Petra 10/10 6867 days 19%
Hannah 9/10 6867 days 19%
Michael 9/10 6869 days 19%
M Bekker 8/10 6869 days 19%
sebastian 9/10 6878 days 19%
John Beirne 10/10 6881 days 19%
Angela 9/10 6881 days 19%
Frederik 10/10 6881 days 19%
Pam 10/10 6883 days 19%
Kate 5/10 6885 days 15%
Danyel 9/10 6887 days 19%
Arjan 8/10 6888 days 19%
Manfred 9/10 6890 days 19%
Tom 9/10 6892 days 19%
Stefan 10/10 6897 days 19%
Pini 9/10 6903 days 19%
Gordon 8/10 6904 days 19%
Gillian 9/10 6904 days 19%
frank 8/10 6904 days 19%
Harrison 8/10 6905 days 19%
Hennielene 8/10 6905 days 19%
Beate 9/10 6905 days 19%
Leah 9/10 6905 days 19%
Liz 9/10 6905 days 19%

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

-4.05% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 43 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 -3.99%
198 -4.01%
199 -4.03%
200 -4.05%
201 -4.07%
202 -4.09%
203 -4.11%
… …

Balancing Adjustment

2.05% 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.