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 Spaceships.

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

Spaceships

Valid Reviews

316 Valid Reviews

The Spaceships experience has a total of 326 reviews. There are 316 valid reviews that are included when calculating the ranking score and 10 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 316 valid reviews:

Rating Count Percentage
10/10 46
15%
9/10 83
26%
8/10 93
29%
7/10 47
15%
6/10 16
5%
5/10 10
3%
4/10 8
3%
3/10 8
3%
2/10 1
0%
1/10 4
1%

78.73% Average

The raw data average (mean) for all the Spaceships valid reviews is 78.73% and is based on 316 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

199 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 316 valid reviews, the experience has 199 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 199 face-to-face reviews:

Rating Count Percentage
10/10 10
5%
9/10 42
21%
8/10 76
38%
7/10 41
21%
6/10 14
7%
5/10 7
4%
4/10 5
3%
3/10 4
2%
2/10 0
0%
1/10 0
0%

76.58% Average

The raw data average (mean) for all the Spaceships face-to-face reviews is 76.58% and is based on 199 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

76.82%

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
Mikhail Theodorus 9/10 109 days 98.12 100%
Charlie Baggallay 10/10 139 days 96.94 99%
Fred Conyers 9/10 139 days 96.94 99%
Joze Peres 3/10 139 days 74.64 76%
Michaela 9/10 198 days 93.79 96%
Allison 1/10 198 days 68.47 70%
Rike Pilz 3/10 198 days 72.22 74%
Alice 1/10 198 days 68.47 70%
Keisha Quinn 10/10 260 days 89.29 91%
Laurent AUBERTIN 8/10 260 days 84.82 86%
Esmee 10/10 260 days 89.29 91%
Laura Mayer, Tobias Dürr 4/10 260 days 70.54 72%
Nitasha Rehman 7/10 290 days 78.87 80%
Celeste Schwarz 7/10 290 days 78.87 80%
Jaclyn Mills 9/10 290 days 86.67 88%
Hayley Pickering 9/10 290 days 86.67 88%
Imrich Kiss 9/10 290 days 86.67 88%
borha mohd zain 1/10 290 days 63.27 64%
aLVARO Gonzalez 10/10 321 days 83.67 85%
Suhui Hee 8/10 321 days 79.49 81%
David Coleman 9/10 321 days 83.67 85%
Susan Cook 9/10 474 days 64.4 66%
Mark Fitzpatrick 6/10 504 days 49.59 51%
Trina Ludwig 8/10 504 days 56.76 58%
Katherine Hugh 10/10 563 days 49.85 51%
Jacinta Norton 8/10 594 days 42.54 43%
Heather ryckman 4/10 594 days 35.37 36%
Merrit Savener 9/10 594 days 44.77 46%
Kah Yi Choong 8/10 594 days 42.54 43%
Alexandra Coffey 10/10 625 days 40.0 41%
Matiu Iraia 9/10 625 days 40.0 41%
Laura Elliott 10/10 655 days 35.68 36%
Clint Bradley 5/10 655 days 28.9 29%
Felix Haget 9/10 655 days 35.68 36%
sue Winterton 8/10 655 days 33.89 35%
S H 3/10 686 days 24.26 25%
Olli Jarva 7/10 686 days 28.67 29%
Set Lee Chong 9/10 747 days 24.19 25%
MING HUI FONG 8/10 808 days 17.15 17%
Julie Costa 9/10 839 days 15.39 16%
Medro Brodeur 9/10 839 days 15.39 16%
Ylva Teleman 10/10 895 days true 11.34 12%
roger loyer 8/10 900 days 10.47 11%
David Henry 8/10 900 days 10.47 11%
Kilian Frank 9/10 900 days 11.03 11%
Trine and Malin 9/10 902 days true 10.9 11%
Katey Bell 7/10 905 days true 9.76 10%
Natasha Startup 10/10 911 days true 10.36 11%
Ron Hawkins 10/10 928 days 9.42 10%
Ana Masu 9/10 928 days 9.42 10%
Heather Balch 9/10 928 days 9.42 10%
Linda Livett 9/10 928 days 9.42 10%
Lily Bruntsch 7/10 959 days 7.22 7%
Slawomir Pegiel 10/10 959 days 7.93 8%
Luiz Noldin 9/10 959 days 7.93 8%
Dana Cranstone 10/10 959 days 7.93 8%
Claudia Schaefer 9/10 973 days true 7.36 7%
Adam Pullinger 9/10 976 days true 7.24 7%
Kees Mol 7/10 990 days true 6.14 6%
Howard Hoshide 9/10 1020 days 5.89 6%
Danielle Sandahl 10/10 1020 days 5.89 6%
Diego Casanova 8/10 1030 days true 5.39 5%
Colin Wuerthele 10/10 1051 days 5.31 5%
Ronel Coetzer 9/10 1081 days 5.03 5%
Marine Audoire 10/10 1232 days true 4.79 5%
Adda Guðrún 1/10 1234 days 3.5 4%
Stacy Johnson 4/10 1234 days 3.78 4%
Hedwig Faust 9/10 1234 days 4.79 5%
Leisha Saxena 7/10 1240 days true 4.35 4%
Mathilde 8/10 1246 days true 4.53 5%
Helene Christensen 8/10 1248 days true 4.53 5%
Marka Okrutny 10/10 1249 days true 4.77 5%
Mette Elholm 9/10 1251 days true 4.76 5%
Olivier Anciaux 9/10 1258 days true 4.75 5%
Stephen Ophelder 9/10 1265 days true 4.74 5%
Lauren Goebel 8/10 1265 days true 4.5 5%
Helena Bond 8/10 1270 days true 4.5 5%
Michaela Bartotini 6/10 1280 days true 3.92 4%
Laura Schafer 9/10 1283 days true 4.71 5%
Brianna Burd 8/10 1298 days true 4.46 5%
Joanna and Shaun 8/10 1305 days true 4.45 5%
Mikael Persson 5/10 1306 days true 3.79 4%
Niels Hoogendooen 9/10 1308 days true 4.68 5%
Alice Melker 8/10 1309 days true 4.44 5%
Therese and Matthias 7/10 1311 days true 4.25 4%
Pekka and Jonna 9/10 1315 days true 4.67 5%
Josephine 6/10 1320 days true 3.87 4%
Juliette Keyzer 9/10 1322 days true 4.65 5%
Melissa Thomas 9/10 1325 days 4.65 5%
Adrian Pyrke 8/10 1325 days 4.42 5%
Jason Simpson 10/10 1325 days 4.65 5%
Alejandro Hahn 9/10 1325 days 4.65 5%
Malin Meier 8/10 1348 days true 4.38 4%
Anna and Derck 7/10 1355 days true 4.19 4%
lucille ramchundra 8/10 1356 days 4.37 4%
Iris Gigacher 9/10 1384 days true 4.56 5%
Tommy Lynch 8/10 1447 days 4.24 4%
Benoit Lochin 9/10 1659 days 4.14 4%
Lucas Zegarek 9/10 1690 days 4.09 4%
Laurie 9/10 1690 days 4.09 4%
Alexis Leneveu 8/10 1697 days 3.88 4%
Jam Boggomann 9/10 1717 days true 4.05 4%
tim winders 9/10 1904 days 3.77 4%
Xan Northman 10/10 1904 days 3.77 4%
Katharina Jacobs 10/10 1935 days 3.72 4%
Nick Giangreco 3/10 1935 days 2.87 3%
Julia Schabenberger 8/10 1964 days true 3.49 4%
Alisa 8/10 1964 days true 3.49 4%
Marie Toulemonde 9/10 1975 days true 3.66 4%
Laura 7/10 1990 days true 3.31 3%
Helene Andersen 9/10 1991 days true 3.64 4%
Stephen Revah 5/10 1993 days true 2.94 3%
d on amos 10/10 1996 days 3.63 4%
Gordon Thomas 8/10 1999 days true 3.44 4%
Sophie Ball 9/10 2024 days 3.59 4%
Alexis Redor 7/10 2027 days true 3.26 3%
Carina Borho 8/10 2030 days true 3.4 3%
Markus Spitzmueller 8/10 2031 days true 3.4 3%
Kristina 9/10 2039 days true 3.56 4%
Volker 9/10 2039 days true 3.56 4%
Laura Pleumeekers 6/10 2041 days true 2.95 3%
Steve Sparkes 9/10 2055 days 3.54 4%
Deborah Chan 9/10 2055 days 3.54 4%
Matt Cook 9/10 2086 days 3.49 4%
philip recordon 8/10 2116 days 3.27 3%
Leon 10/10 2147 days 3.4 3%
laura porta 10/10 2177 days 3.35 3%
NIE SHENGXIAN 9/10 2177 days 3.35 3%
gannon murphy 9/10 2269 days 3.21 3%
tiny ruins 10/10 2300 days 3.17 3%
Don Bennett 10/10 2330 days 3.12 3%
Stientje van den Heuvel 7/10 2347 days true 2.82 3%
Tom Somers 7/10 2347 days true 2.82 3%
Verena 8/10 2352 days true 2.93 3%
Anja S 9/10 2352 days true 3.09 3%
Camille Coombes 8/10 2354 days true 2.93 3%
Mathieu Maran 8/10 2354 days true 2.93 3%
Evelina Johansson 9/10 2360 days true 3.07 3%
Sofia Anderson 9/10 2360 days true 3.07 3%
Raelene Vine 7/10 2361 days 2.8 3%
Rogier Ramaker 8/10 2366 days true 2.91 3%
Tim Sautter 4/10 2374 days true 2.41 2%
Dee 10/10 2389 days 3.03 3%
Dwharks 8/10 2389 days 2.88 3%
marypy 6/10 2389 days 2.52 3%
Inge 9/10 2389 days 3.03 3%
David Stannard 10/10 2420 days 2.98 3%
Daniel Bulach 9/10 2420 days 2.98 3%
Martyn Kool 8/10 2437 days true 2.81 3%
Marieke 7/10 2437 days true 2.69 3%
colmon 10/10 2451 days 2.94 3%
Thibault Bonenfant 8/10 2457 days true 2.78 3%
Thys 7/10 2463 days true 2.66 3%
John Freeman 5/10 2467 days true 2.36 2%
Ton Franke 8/10 2467 days true 2.77 3%
Michel Vourbraak 8/10 2467 days true 2.77 3%
foxmccleod 10/10 2481 days 2.89 3%
vvarrasso 5/10 2512 days 2.3 2%
Pauline_Quentin 10/10 2573 days 2.75 3%
jeremyliang 10/10 2604 days 2.7 3%
Syarifah 10/10 2634 days 2.66 3%
Aggie 10/10 2695 days 2.56 3%
nej91 9/10 2695 days 2.56 3%
Markus Frei 8/10 2712 days true 2.41 2%
Be Groen 6/10 2718 days true 2.1 2%
mpbiller 8/10 2726 days 2.39 2%
Keith Helen 10/10 2726 days true 2.52 3%
Madeleine Mueller 8/10 2731 days true 2.38 2%
Daniel & Manuela 8/10 2732 days true 2.38 2%
Romla 7/10 2733 days true 2.28 2%
Ronald Veldman 7/10 2733 days true 2.28 2%
Kasten Madsen 6/10 2735 days true 2.08 2%
Ryan Pynappels 7/10 2737 days true 2.28 2%
Melanie 7/10 2738 days true 2.27 2%
Ivouue & Alex 9/10 2738 days true 2.5 3%
Houter 8/10 2740 days true 2.37 2%
Mary Mitchell 8/10 2740 days true 2.37 2%
Manuela Weber 4/10 2740 days true 1.97 2%
Kimberley Mills 8/10 2742 days true 2.37 2%
Jurg Pfaendler 7/10 2743 days true 2.27 2%
Kim Thorsted 7/10 2749 days true 2.26 2%
Claudia & Julian 7/10 2753 days true 2.25 2%
Lotte Foged 8/10 2753 days true 2.35 2%
Frank & Julia 8/10 2754 days true 2.35 2%
JulesR 7/10 2755 days 2.25 2%
digbe 8/10 2755 days 2.35 2%
Marie Frank 10/10 2755 days true 2.47 3%
Francis Corrigan 6/10 2756 days true 2.05 2%
Sanne Ta Stroete 7/10 2806 days true 2.18 2%
Sashia 8/10 2807 days true 2.27 2%
Mark & Beth Kaufman 7/10 2821 days true 2.16 2%
Chris Muller 9/10 2821 days true 2.37 2%
Sarah and Soren 6/10 2823 days true 1.97 2%
Jan & Marian 6/10 2829 days true 1.96 2%
David & Mary-Jane Ryder 8/10 2829 days true 2.24 2%
Michael Muhlwitz 8/10 2832 days true 2.24 2%
BertvdK 2/10 2847 days 1.75 2%
hayleyemery 10/10 2970 days 2.15 2%
nwhitehead1 10/10 2970 days 2.15 2%
joeandem 10/10 3000 days 2.1 2%
Karen 9/10 3031 days 2.05 2%
Stefan Elsenbruch 7/10 3065 days true 1.82 2%
Thierry Meylan 8/10 3068 days true 1.9 2%
Maureen Hardy 3/10 3069 days true 1.54 2%
Sophie Burge 8/10 3069 days true 1.9 2%
Danielle 8/10 3070 days true 1.89 2%
Ilse & Thys 8/10 3075 days true 1.89 2%
Frank & Ruth 8/10 3076 days true 1.89 2%
Ed Ronan 6/10 3077 days true 1.65 2%
Thorsten Grocholl 8/10 3079 days true 1.88 2%
joke 6/10 3079 days true 1.64 2%
alcatrazz 3/10 3081 days true 1.52 2%
Monique 8/10 3084 days true 1.87 2%
Jonathan Cree 7/10 3085 days true 1.79 2%
Aln 6/10 3086 days true 1.63 2%
Dave Allen 5/10 3089 days true 1.59 2%
Victor Lewis 9/10 3089 days true 1.96 2%
Roman & Esther 7/10 3089 days true 1.79 2%
Ann-Katrine & Sille 8/10 3090 days true 1.87 2%
Alan Munday 8/10 3090 days true 1.87 2%
J van de Vlekkert 9/10 3095 days true 1.96 2%
Kurmann/Kayser 8/10 3098 days true 1.85 2%
H Hensen 8/10 3106 days true 1.84 2%
Laura Hayes 10/10 3107 days true 1.94 2%
Brian Lind 8/10 3107 days true 1.84 2%
Angela 7/10 3108 days true 1.76 2%
Marianne Astorp 5/10 3111 days true 1.56 2%
Igor Filart 8/10 3115 days true 1.83 2%
Claire Bulmer 8/10 3115 days true 1.83 2%
Jan Holger Weib 8/10 3116 days true 1.83 2%
dodo81 9/10 3120 days 1.92 2%
Michellemarie 10/10 3273 days 1.68 2%
rinusm 8/10 3393 days true 1.43 1%
Kavita 9/10 3396 days 1.5 2%
Polil 7/10 3443 days true 1.3 1%
Andy 10/10 3447 days true 1.42 1%
Hershell 5/10 3449 days true 1.15 1%
Peter Schmidt 5/10 3457 days 1.14 1%
Schlaepfer 8/10 3459 days true 1.33 1%
jongejan 6/10 3463 days true 1.16 1%
Jannievan Osnabrugge 4/10 3467 days true 1.1 1%
th schuermann 5/10 3467 days true 1.13 1%
Malcolm Glad 8/10 3470 days true 1.32 1%
Ronny 9/10 3471 days true 1.38 1%
Lasse Olesen 8/10 3478 days true 1.3 1%
Monica and Danie. 8/10 3479 days true 1.3 1%
Annette Schmitt 9/10 3479 days true 1.37 1%
Nadine Schaee 8/10 3482 days true 1.3 1%
uleugel 4/10 3494 days true 1.07 1%
Beute Jacob 7/10 3498 days true 1.22 1%
Peter Tres 8/10 3500 days true 1.27 1%
EA Anders 4/10 3502 days true 1.06 1%
Astrio Gregersen 8/10 3514 days true 1.25 1%
mariekef 9/10 3531 days true 1.29 1%
bertramf 10/10 3532 days true 1.29 1%
martint 8/10 3540 days true 1.21 1%
katepat 8/10 3547 days true 1.2 1%
Anita de Boer 7/10 3549 days true 1.15 1%
Ulyate 6/10 3558 days true 1.04 1%
Jeanette Larsen 7/10 3559 days true 1.14 1%
Sara Reekmans 9/10 3570 days true 1.23 1%
Emily and Alex 9/10 3574 days true 1.23 1%
Emear Donnelly 7/10 3712 days true 0.93 1%
ralphl 8/10 3746 days true 0.92 1%
RolandV 9/10 3775 days true 0.92 1%
suet 7/10 3791 days true 0.82 1%
desl 7/10 3791 days true 0.82 1%
Sally477 9/10 3792 days 0.89 1%
Marc_N 8/10 3792 days true 0.85 1%
StefanieA 3/10 3793 days true 0.69 1%
Jelle 7/10 3794 days true 0.81 1%
Dave Ashun 7/10 3798 days true 0.81 1%
Thomas1646 8/10 3798 days true 0.84 1%
Lars 9/10 3808 days true 0.87 1%
SteveW 9/10 3810 days true 0.87 1%
TobiasK 8/10 3810 days true 0.82 1%
Rob 8/10 3815 days true 0.82 1%
Keith 7/10 3816 days true 0.78 1%
Steve 9/10 3825 days true 0.84 1%
Heather 7/10 3828 days true 0.76 1%
Jason 3/10 3831 days true 0.64 1%
Nikolaj 9/10 3842 days true 0.82 1%
MattEngland 9/10 3846 days true 0.81 1%
CharlotteC 9/10 3846 days true 0.81 1%
SuenSwitzerland 9/10 3850 days true 0.81 1%
Sheridan Hancock 10/10 3850 days 0.81 1%
Henk 8/10 3856 days true 0.76 1%
Maxim 9/10 3858 days true 0.79 1%
Rachel 8/10 3858 days true 0.75 1%
Anna 7/10 3859 days true 0.72 1%
Thomas 10/10 3860 days true 0.79 1%
John 9/10 3861 days true 0.79 1%
Miranda 9/10 3868 days true 0.78 1%
hanna_and_matt 10/10 3890 days 0.75 1%
Jason 7/10 3896 days true 0.67 1%
Erin 10/10 3942 days 0.67 1%
fiona bergin 10/10 3955 days 0.65 1%
Anthony 8/10 4171 days true 0.3 0%
Elizabeth Woodruff 9/10 4171 days true 0.32 0%
Miranda 8/10 4192 days true 0.27 0%
Pete 8/10 4280 days true 0.14 0%
ranker_34 8/10 4393 days true 0.0 0%
Jessica Callen 8/10 4516 days true 0.0 0%
Beth 8/10 4518 days true 0.0 0%
Fran 8/10 4521 days true 0.0 0%
John 9/10 4524 days true 0.0 0%
Jane 8/10 4524 days true 0.0 0%
Chris 7/10 4528 days true 0.0 0%
Jacob Mille 8/10 4535 days true 0.0 0%
Yasmin Michael 9/10 4557 days true 0.0 0%
Suzy 7/10 4561 days true 0.0 0%
Janne 8/10 4561 days true 0.0 0%
Andy 7/10 4563 days true 0.0 0%
Sandra 6/10 4563 days true 0.0 0%
Colin 7/10 4565 days true 0.0 0%
Gillian 8/10 4568 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 Spaceships experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-3.99% Adjustment

Recent reviews reflect the experience as it currently operates. This means it's important to get fresh reviews. Some experiences discovered they could get a few good reviews and then, resting on their laurels, discourage any further reviews. This adjustment stimulates experiences to be positively involved in the review generating process and discourages them from manipulating the ranking system in this manner. There may be an adjustment if an experience hasn't received any reviews within the last 60 days.

The Spaceships experience has 1 recent ranking. Adjustments are according to the following table:

Recent Reviews Adjustment
0 -3.00%
1 -2.83%
2 -2.33%
3 -1.50%
4 -0.67%
5 -0.17%
6 -0.00%

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 199 days.

The Spaceships experience has been adjusted for 58 days. Adjustments are according to the following table.

Days Adjustment
55 -1.10%
56 -1.12%
57 -1.14%
58 -1.16%
59 -1.18%
60 -1.20%
61 -1.22%

Final Ranking Score

73%

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.