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 Stray.

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.

CC
Cymen Crick's avatar

Cymen Crick

Rankers Owner

Stray

Valid Reviews

195 Valid Reviews

The Stray experience has a total of 202 reviews. There are 195 valid reviews that are included when calculating the ranking score and 7 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 195 valid reviews:

Rating Count Percentage
10/10 62
32%
9/10 42
22%
8/10 36
18%
7/10 31
16%
6/10 9
5%
5/10 7
4%
4/10 3
2%
3/10 5
3%
2/10 0
0%
1/10 0
0%

83.03% Average

The raw data average (mean) for all the Stray valid reviews is 83.03% and is based on 195 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

101 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 195 valid reviews, the experience has 101 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 101 face-to-face reviews:

Rating Count Percentage
10/10 10
10%
9/10 15
15%
8/10 30
30%
7/10 28
28%
6/10 6
6%
5/10 4
4%
4/10 3
3%
3/10 5
5%
2/10 0
0%
1/10 0
0%

74.65% Average

The raw data average (mean) for all the Stray face-to-face reviews is 74.65% and is based on 101 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

84.59%

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
Atte 6/10 2334 days 100%
Tom C 10/10 3125 days 71%
Jodie 10/10 3125 days 71%
Paul 10/10 3125 days 71%
Christin Ossege 10/10 3247 days 64%
Theodore Trozinski 9/10 3307 days 60%
Phil Hartmann 10/10 3460 days 52%
dana forrest 10/10 3552 days 47%
Abbi Smith 10/10 3613 days 43%
Nicko Wong 10/10 3644 days 42%
Jodine 10/10 3672 days 40%
Samuel Berwick 10/10 3672 days 40%
Amy Jellings 10/10 3764 days 35%
Anna Elden 9/10 3764 days 35%
Andrea Leichtl 10/10 3978 days 23%
Johanna Molenaar 7/10 3978 days 21%
Claudia Bauch 3/10 4007 days 11%
Charlotte Wilson 10/10 4009 days 21%
Chris Luebbi 8/10 4009 days 21%
jason beinstein 9/10 4037 days 19%
discoveringaway 9/10 4037 days 19%
ieva m 8/10 4068 days 17%
Sonia 10/10 4068 days 18%
Zsolt 10/10 4068 days 18%
Victoria Wander 10/10 4068 days 18%
TtotheT13 9/10 4099 days 16%
Kim O'Neill 10/10 4129 days 14%
Maia Kazaks 8/10 4129 days 14%
Colette Keely 10/10 4160 days 12%
Jen Hards 10/10 4190 days 11%
Thomas Jones 10/10 4221 days 9%
Raj Singh 10/10 4221 days 9%
Sohie 9/10 4379 days 0%
Robin Andersson 9/10 4402 days 29%
Megan Gallagher 10/10 4433 days 29%
Andy Brown 10/10 4433 days 29%
Vinnie K 10/10 4494 days 29%
Heather_Oz 9/10 4555 days 29%
luciasolda 10/10 4617 days 29%
jennyj 10/10 4647 days 29%
dwehrtmann 9/10 4678 days 29%
Evaislief 10/10 4708 days 29%
Malena 10/10 4739 days 29%
navilink 10/10 4739 days 29%
meganb04 10/10 4739 days 29%
MaryG 10/10 4739 days 29%
JoPycroft 10/10 4739 days 29%
lovebyname 9/10 4739 days 29%
Sonia Sennane 7/10 4740 days 27%
Tamara McVey 7/10 4751 days 27%
Rachel 7/10 4753 days 27%
Danielle & Jobbe 8/10 4753 days 28%
Andy Bridgman 8/10 4753 days 28%
Fiona Finke 6/10 4759 days 25%
Miron & Hendrik 8/10 4763 days 28%
marielou 10/10 4768 days 29%
iainmcgin 10/10 4768 days 29%
redkeels 10/10 4768 days 29%
lulu 6/10 4799 days 25%
Boogie 5/10 4830 days 22%
isha 9/10 4830 days 29%
pepper 9/10 4860 days 29%
Kez 10/10 4891 days 29%
Brilly01 8/10 4891 days 28%
yens123 9/10 4891 days 29%
louiset 9/10 4891 days 29%
siek09 9/10 4921 days 29%
rosey 10/10 4952 days 29%
Cadz 10/10 4952 days 29%
natalietrueman84 10/10 4983 days 29%
Josie 10/10 4983 days 29%
Scott_and_Stephanie 9/10 5074 days 29%
Samantha 10/10 5074 days 29%
Tracey Airiscough 9/10 5096 days 29%
Vanessa Hanzen 4/10 5097 days 19%
Lauren McKeone 7/10 5103 days 27%
Faye Cox 7/10 5103 days 27%
pudddddin 9/10 5105 days 29%
alicevarren 9/10 5105 days 29%
irisheyes 7/10 5105 days 27%
Steff 7/10 5125 days 27%
Forestal Youri 7/10 5125 days 27%
Amanda Craig 8/10 5127 days 28%
Olle Beide 8/10 5133 days 28%
JonathanMills 8/10 5133 days 28%
lisa 9/10 5164 days 29%
phydough 6/10 5195 days 25%
zippy 10/10 5286 days 29%
TerriH 10/10 5317 days 29%
ciara 10/10 5348 days 29%
mel1407 10/10 5348 days 29%
Claram 9/10 5378 days 29%
joycevanb 7/10 5409 days 27%
JohnG 10/10 5409 days 29%
nicolejr413 9/10 5439 days 29%
Antoine Migault 8/10 5460 days 28%
Christine T 7/10 5464 days 27%
Kay Beaumont 8/10 5472 days 28%
Johan 7/10 5472 days 27%
S Millet 9/10 5476 days 29%
Jens van Evp 9/10 5494 days 29%
Max Van der Zalm 9/10 5494 days 29%
Emily Walters 7/10 5496 days 27%
Brett Oz 9/10 5529 days 29%
greenbex 9/10 5529 days 29%
simonbo 3/10 5544 days 16%
katesc 9/10 5549 days 29%
martint 6/10 5553 days 25%
richelle 7/10 5553 days 27%
rosalindm 8/10 5554 days 28%
katepat 8/10 5560 days 28%
Beau 5/10 5560 days 22%
Debbie Rathbone 10/10 5567 days 29%
Ricarda 3/10 5570 days 16%
Malinka Nuefeld 4/10 5570 days 19%
Martin 9/10 5570 days 29%
Thomas Willi 8/10 5570 days 28%
Jess Pasos 9/10 5579 days 29%
stettim 10/10 5621 days 29%
Philipp 9/10 5621 days 29%
Holly Mrowiec 10/10 5651 days 29%
Sophie Keate 10/10 5688 days 29%
Sam Lightfoot 10/10 5688 days 29%
Jenny Lee 7/10 5710 days 27%
Cat Payne 9/10 5717 days 29%
Catherine Smiles 10/10 5718 days 29%
Nikki Turner 9/10 5725 days 29%
TaraD 10/10 5802 days 29%
BiancaA 9/10 5802 days 29%
hibbler 10/10 5804 days 29%
ferdinande 7/10 5806 days 27%
mariea 8/10 5816 days 28%
JennekeK 6/10 5816 days 25%
Ross 5/10 5819 days 22%
MarielR 7/10 5822 days 27%
NikW 8/10 5822 days 28%
Anna Skeer 9/10 5846 days 29%
EmmaB1 8/10 5850 days 28%
BethanD 9/10 5851 days 29%
renanf 8/10 5855 days 28%
Laura Muser 9/10 5863 days 29%
Alan Gallagher 7/10 5863 days 27%
Ellen Perrin 9/10 5863 days 29%
Julia 7/10 5867 days 27%
Philipp 10/10 5869 days 29%
Marieke 3/10 5871 days 16%
Katie 10/10 5873 days 29%
Ann-Kathren 7/10 5877 days 27%
Sonja 8/10 5909 days 28%
Claudia Schmidt 9/10 5921 days 29%
sylvia 8/10 5926 days 28%
Amy Newton 10/10 5929 days 29%
debsnz 10/10 5942 days 29%
Nicole 3/10 5951 days 16%
Spike 7/10 6011 days 27%
Sam Prior 8/10 6020 days 28%
Marco 7/10 6044 days 27%
Meike Biel 8/10 6154 days 28%
Helen 8/10 6154 days 28%
Mark 7/10 6174 days 27%
Julie 5/10 6184 days 22%
Marlo 7/10 6191 days 27%
Simon Mills 8/10 6201 days 28%
Sayaka 4/10 6216 days 19%
Camille 10/10 6217 days 29%
Anders 9/10 6217 days 29%
Laura 8/10 6240 days 28%
Ian 7/10 6244 days 27%
Carole Roccia 6/10 6245 days 25%
Thierry Berdah 8/10 6247 days 28%
Helena 8/10 6247 days 28%
Peter Katafey 6/10 6247 days 25%
Lindsey Woosnam 5/10 6247 days 22%
Katherine 7/10 6250 days 27%
Fred 6/10 6251 days 25%
Rob 5/10 6251 days 22%
Gav 10/10 6251 days 29%
Tom Anson 8/10 6252 days 28%
Paul Cowie 10/10 6279 days 29%
Jim 8/10 6288 days 28%
Willemien 7/10 6296 days 27%
Helen 8/10 6522 days 28%
David 5/10 6525 days 22%
Stefan 7/10 6525 days 27%
Gwen 8/10 6528 days 28%
Hanneke 8/10 6532 days 28%
Matt 7/10 6532 days 27%
Alex 8/10 6532 days 28%
Johnny 8/10 6532 days 28%
Aaron 9/10 6532 days 29%
Hilary 10/10 6541 days 29%
Nina 8/10 6576 days 28%
Italy 9/10 6576 days 29%
Helle 7/10 6576 days 27%
KikiNelissen 7/10 6582 days 27%

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 Stray experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-4.14% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 53 days. However the Stray 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 Stray experience has been adjusted for 200 days. Adjustments are according to the following table.

Days Adjustment
197 -4.08%
198 -4.10%
199 -4.12%
200 -4.14%
201 -4.16%
202 -4.19%
203 -4.21%

Balancing Adjustment

2.88% 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

83%

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.