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 Whakarewarewa.

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

Whakarewarewa

Valid Reviews

177 Valid Reviews

The Whakarewarewa experience has a total of 178 reviews. There are 177 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 177 valid reviews:

Rating Count Percentage
10/10 26
15%
9/10 32
18%
8/10 53
30%
7/10 37
21%
6/10 14
8%
5/10 6
3%
4/10 3
2%
3/10 3
2%
2/10 2
1%
1/10 1
1%

77.46% Average

The raw data average (mean) for all the Whakarewarewa valid reviews is 77.46% and is based on 177 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

169 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 177 valid reviews, the experience has 169 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 169 face-to-face reviews:

Rating Count Percentage
10/10 24
14%
9/10 31
18%
8/10 51
30%
7/10 35
21%
6/10 14
8%
5/10 6
4%
4/10 3
2%
3/10 2
1%
2/10 2
1%
1/10 1
1%

77.46% Average

The raw data average (mean) for all the Whakarewarewa face-to-face reviews is 77.46% and is based on 169 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

83.04%

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
Amy Lord 10/10 794 days true 19.36 100%
Chloe B 8/10 817 days 16.38 85%
Richard 10/10 873 days true 12.81 66%
Anis Quentin 9/10 882 days true 12.19 63%
Dorthe Soeholm 9/10 1154 days true 4.88 25%
Theerada Wongkaew 10/10 1193 days true 4.81 25%
Joonas Lehtomaki 9/10 1198 days true 4.8 25%
Jonathan Verschuuren 8/10 1199 days true 4.56 24%
Laura David 9/10 1201 days true 4.79 25%
Michael 10/10 1202 days true 4.79 25%
Anne 8/10 1202 days true 4.55 24%
Heyuuiutha Lokithas 7/10 1204 days true 4.36 23%
Philip Sheridan 7/10 1210 days true 4.35 22%
Sandra Reynders 8/10 1211 days true 4.53 23%
Colin George 10/10 1212 days true 4.77 25%
Alexandra Luerner 10/10 1214 days true 4.77 25%
Frank Bien 10/10 1214 days true 4.77 25%
Felicity Ford 7/10 1215 days true 4.34 22%
Louis Nilsson 10/10 1220 days true 4.76 25%
Gilbert Baptiste 6/10 1220 days true 3.95 20%
Emilie Bavard 6/10 1220 days true 3.95 20%
Barbara 10/10 1229 days true 4.74 24%
Paul Tysoe 8/10 1237 days true 4.49 23%
Jessica Nasstrom 6/10 1243 days true 3.91 20%
ben carroll 10/10 1243 days 4.71 24%
Eveline 8/10 1253 days true 4.46 23%
Henry Ang 7/10 1304 days 4.18 22%
Michelle Smit 9/10 1366 days 4.47 23%
Gesa Roemer 4/10 1465 days true 3.38 17%
Gerbrand Smidt 9/10 1472 days true 4.26 22%
Silvia 5/10 1475 days true 3.45 18%
Jennifer Nguyen 8/10 1483 days true 4.03 21%
Robin Stamm 8/10 1483 days true 4.03 21%
Jonathan Foskett 6/10 1484 days true 3.52 18%
Clara Guinard 7/10 1486 days true 3.85 20%
Hannes 9/10 1487 days true 4.23 22%
John and Jan 9/10 1491 days true 4.23 22%
Adrienne Hoet 6/10 1492 days true 3.51 18%
Benoit Leclerc 7/10 1504 days true 3.82 20%
Raul Ellermann 6/10 1509 days true 3.48 18%
Catharina Cuntz 6/10 1524 days true 3.45 18%
Klaas Huis 8/10 1525 days true 3.95 20%
Maxima Buisan 7/10 1530 days true 3.78 20%
Niels Hoogendooen 6/10 1532 days true 3.44 18%
Martina 9/10 1539 days true 4.13 21%
Martin Bakker 9/10 1567 days true 4.08 21%
Elisabeth Ringswandl 9/10 1843 days true 3.54 18%
Thomas Haslbeck 8/10 1843 days true 3.36 17%
Miriam Burchartz 10/10 1844 days true 3.53 18%
Leonie Jennings 9/10 1888 days true 3.45 18%
Trevor Wichman 8/10 1888 days true 3.28 17%
Sibylle and Nadine 9/10 1936 days true 3.35 17%
Anne Courtenay 8/10 2227 days true 2.65 14%
Friederike Kranzin 10/10 2227 days true 2.78 14%
Amanda 9/10 2230 days true 2.78 14%
Derek 8/10 2230 days true 2.64 14%
Juliane 10/10 2232 days true 2.77 14%
Hannah 8/10 2232 days true 2.64 14%
Dan Lawson 10/10 2260 days true 2.72 14%
Henry Thiel 3/10 2260 days true 2.09 11%
Sina Sacranie 10/10 2260 days true 2.72 14%
Julia Bonisch 8/10 2263 days true 2.58 13%
Rupert 9/10 2274 days true 2.69 14%
Dupont 7/10 2591 days true 1.89 10%
David Lee 8/10 2597 days true 1.96 10%
Henrik Steinruecken 6/10 2657 days true 1.61 8%
Wenmechers 8/10 2665 days true 1.83 9%
Martin Thomas 9/10 2667 days true 1.92 10%
Paul Lawrence 8/10 2673 days true 1.82 9%
Gary Brooks 8/10 2675 days true 1.81 9%
Marian 7/10 2677 days true 1.73 9%
Adam Hassan 9/10 2680 days true 1.9 10%
Gerard van de Ven 9/10 2680 days true 1.9 10%
Lutz Huuemorder 8/10 2681 days true 1.8 9%
Julie Lamart 9/10 2684 days true 1.89 10%
Shannon Taylor 7/10 2684 days true 1.72 9%
Kerstin 8/10 2690 days true 1.78 9%
Denny 10/10 2797 days 1.67 9%
Petr Stepanek 10/10 2942 days true 1.39 7%
Sebastian Hol 5/10 2946 days true 1.12 6%
Jochem Snyders 9/10 2953 days true 1.36 7%
Vitek 8/10 2954 days true 1.29 7%
Daniel 7/10 2954 days true 1.24 6%
Carolin Haas 5/10 2960 days true 1.09 6%
Pierre Boulanger 9/10 2962 days true 1.35 7%
Dave Simpson 7/10 2964 days true 1.22 6%
Monica 10/10 2965 days true 1.34 7%
Mags Adams 9/10 2965 days true 1.34 7%
Hardy 10/10 2965 days true 1.34 7%
Nelly & Lisa 8/10 2966 days true 1.27 7%
Lepied 7/10 2966 days true 1.22 6%
Graeme E 9/10 2970 days true 1.33 7%
Colin Philpott 9/10 2972 days true 1.33 7%
Kim Thorsted 7/10 2973 days true 1.21 6%
R Laurysen 7/10 2976 days true 1.2 6%
Corv V D Hof 8/10 2976 days true 1.25 6%
Anika 7/10 2978 days true 1.2 6%
Lilja Bjork Hermannsdottir 9/10 2978 days true 1.32 7%
Remy van Heugten 6/10 2978 days true 1.09 6%
Stefan Roehrbein 8/10 2979 days true 1.25 6%
J Knol 8/10 3005 days true 1.2 6%
Niels Daubjerg 9/10 3042 days true 1.19 6%
Peter, Noelle & Susanne 7/10 3044 days true 1.08 6%
Rebecca & Hugh Small 5/10 3051 days true 0.95 5%
David & Mary-Jane Ryder 9/10 3053 days true 1.17 6%
Caroline 8/10 3055 days true 1.11 6%
Erik Folkersen 8/10 3055 days true 1.11 6%
Wolfgang Goggel 10/10 3055 days true 1.16 6%
Leif Sorensen 8/10 3055 days true 1.11 6%
Andy Lever 8/10 3056 days true 1.1 6%
Rudy Witt 7/10 3057 days true 1.06 5%
Matthys van den Heuuel 7/10 3061 days true 1.05 5%
Robin van der Linden 8/10 3267 days true 0.71 4%
Petra 10/10 3279 days true 0.73 4%
Karin & Bastiaan 8/10 3280 days true 0.69 4%
Kris Gijbels 9/10 3294 days true 0.7 4%
Danielle 6/10 3294 days true 0.58 3%
Nathalie 3/10 3300 days true 0.53 3%
Nicola Thackray 8/10 3303 days true 0.65 3%
Strieson 7/10 3317 days true 0.59 3%
Ini & Cees 7/10 3318 days true 0.59 3%
Peter 7/10 3321 days true 0.59 3%
Mark Leeuwenburgh 8/10 3321 days true 0.61 3%
Angela 9/10 3332 days true 0.62 3%
Eva Weichs 7/10 3334 days true 0.56 3%
Nicole 5/10 3335 days true 0.5 3%
Rossiter 9/10 3337 days true 0.61 3%
Derek Woodward 10/10 3338 days true 0.61 3%
Elinor Bell 1/10 3339 days true 0.44 2%
Robin Schomburg 10/10 3341 days true 0.6 3%
Katrin & Mark 7/10 3344 days true 0.54 3%
Claudia 8/10 3608 days true 0.08 0%
krisevelyn 4/10 3620 days true 0.05 0%
Richard Spore 9/10 3668 days true 0.0 0%
Mike Peirce 8/10 3675 days true 0.0 0%
Venot 8/10 3684 days true 0.0 0%
Christen Hans 4/10 3695 days true 0.0 0%
Jamie Hallifax 8/10 3700 days true 0.0 0%
Emily Walters 8/10 3707 days true 0.0 0%
Ines Diana 5/10 3708 days true 0.0 0%
Wolfgang G 10/10 3715 days true 0.0 0%
mariekef 8/10 3755 days true 0.0 0%
selinab 7/10 3764 days true 0.0 0%
Peter Essink 7/10 3773 days true 0.0 0%
Karin Linder 8/10 3775 days true 0.0 0%
Helen Pet 8/10 3779 days true 0.0 0%
Richard Kesteleyn 2/10 3779 days true 0.0 0%
Solveig Mosinski 8/10 3783 days true 0.0 0%
Christine Van Den Berg Michele Imbach 10/10 3794 days true 0.0 0%
Wim Put 8/10 3797 days true 0.0 0%
eowyn2k 3/10 3801 days 0.0 0%
skorn 7/10 3895 days true 0.0 0%
SSheil 7/10 4003 days true 0.0 0%
UlaR 10/10 4007 days true 0.0 0%
straw64 8/10 4015 days 0.0 0%
dieteru 8/10 4015 days true 0.0 0%
Sarah_rae 8/10 4031 days true 0.0 0%
Gerd Hebbel 6/10 4031 days true 0.0 0%
Mick 7/10 4031 days true 0.0 0%
Jasmin 9/10 4045 days true 0.0 0%
Stefau 7/10 4045 days true 0.0 0%
MrHebbard 6/10 4048 days true 0.0 0%
siemen 2/10 4056 days true 0.0 0%
Van Dam 7/10 4077 days true 0.0 0%
Gunhild 8/10 4079 days true 0.0 0%
Oliver 8/10 4079 days true 0.0 0%
Pavol 8/10 4079 days true 0.0 0%
KTinga 8/10 4086 days true 0.0 0%
Michael 8/10 4095 days true 0.0 0%
Gerits 7/10 4127 days true 0.0 0%
Sluijs 7/10 4132 days true 0.0 0%
Inga 6/10 4140 days true 0.0 0%
Nadia 7/10 4148 days true 0.0 0%
Naomi Horton 7/10 4408 days true 0.0 0%
Roger Repolusk 7/10 4412 days true 0.0 0%
Lena1 7/10 4415 days 0.0 0%
Vaclaf 8/10 4426 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 Whakarewarewa experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-3.98% Adjustment

There may be an adjustment if an experience hasn't received any reviews within the last 60 days. However the Whakarewarewa 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 199 days.

The Whakarewarewa experience has been adjusted for 199 days. Adjustments are according to the following table.

Days Adjustment
196 -3.92%
197 -3.94%
198 -3.96%
199 -3.98%
200 -4.00%
201 -4.02%
202 -4.04%

Final Ranking Score

79%

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.