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 Doubtful Sound Overnight Cruises.
If you have any questions or comments about our ranking score calculation please get in touch at email@example.com. We don't believe this is perfect or complete so we're always interested in ways we might make improvements.
89 Valid Reviews
The Doubtful Sound Overnight Cruises experience has a total of 89 valid reviews. There are no 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 89 valid reviews:
The raw data average (mean) for all the Doubtful Sound Overnight Cruises valid reviews is 94.94% and is based on 89 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.
74 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.
Within the 89 valid reviews, the experience has 74 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 74 face-to-face reviews:
The raw data average (mean) for all the Doubtful Sound Overnight Cruises face-to-face reviews is 94.86% and is based on 74 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
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.
|Jonny Horn||9/10||1102 days||4.99||100%|
|Hazel Norman||10/10||1117 days||4.96||99%|
|James Jackson||10/10||1118 days||4.95||99%|
|Bartlomiej Berger||9/10||1813 days||3.59||72%|
|Ann Wilson||8/10||2069 days||2.94||59%|
|Anne and Steve Bartlett||9/10||2134 days||2.97||59%|
|Abby Rescr||9/10||2448 days||2.35||47%|
|Frederick Dean||8/10||2448 days||2.23||45%|
|Joey Mertzig||10/10||2465 days||2.32||47%|
|Pete & Pat Etheridge||10/10||2822 days||1.62||32%|
|Mike & Jennie||9/10||2824 days||1.62||32%|
|Stefes Wencke||10/10||2826 days||1.61||32%|
|Uwe Henze||10/10||2827 days||1.61||32%|
|Manuela Weber||10/10||2827 days||1.61||32%|
|Thyg Lingdal||10/10||2841 days||1.58||32%|
|Anna Bret||8/10||2913 days||1.37||27%|
|Jaime Castells||9/10||2913 days||1.44||29%|
|Gary Koehler||10/10||3170 days||0.94||19%|
|Chris Darlington||10/10||3187 days||0.91||18%|
|Dieter Uhlmann||9/10||3190 days||0.9||18%|
|Angi Otti||10/10||3198 days||0.88||18%|
|Jackie Morris||10/10||3198 days||0.88||18%|
|Samuel Prechel||10/10||3199 days||0.88||18%|
|David Glover||10/10||3201 days||0.88||18%|
|Claus Olsen||10/10||3202 days||0.88||18%|
|H Schepers||9/10||3203 days||0.87||18%|
|Kevin & Chris||9/10||3477 days||0.34||7%|
|Graeme + Jane Ryan||10/10||3534 days||0.23||5%|
|Peter Brown||10/10||3540 days||0.22||4%|
|T. Timmers||9/10||3558 days||0.18||4%|
|David Valentine||10/10||3566 days||0.16||3%|
|Annette Schmitt||9/10||3566 days||0.16||3%|
|Jeremy & Sarah Rind||10/10||3571 days||0.15||3%|
|Simon Jones||9/10||3603 days||0.09||2%|
|Traveller Girl||10/10||3848 days||0.0||0%|
|Inger Skov||10/10||3921 days||0.0||0%|
|C Digby||9/10||3968 days||0.0||0%|
|Stephanie Schikora||10/10||4021 days||0.0||0%|
|Sue Stewart||10/10||4128 days||0.0||0%|
|James Gibbs||8/10||4220 days||0.0||0%|
|George Jeffs||10/10||4257 days||0.0||0%|
|Paul Weston||9/10||4271 days||0.0||0%|
|Marian Mckinney||10/10||4271 days||0.0||0%|
|Charles Price||8/10||4282 days||0.0||0%|
|Vicky Elliott||10/10||4289 days||0.0||0%|
|Anne Mainwaring||10/10||4297 days||0.0||0%|
|Rene Schotvanger||10/10||4480 days||0.0||0%|
|Pat Brewster||10/10||4480 days||0.0||0%|
|Paul Yacoumis||10/10||4606 days||0.0||0%|
Several adjustments to the weighted average are added to improve relevancy and credibility. These adjustments apply equally to all experiences that meet the criteria.
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 Doubtful Sound Overnight Cruises experience has plenty of reviews and does not meet the criteria for any adjustment.
There may be an adjustment if an experience hasn't received any reviews within the last 60 days. However the Doubtful Sound Overnight Cruises 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 Doubtful Sound Overnight Cruises experience has been adjusted for 199 days. Adjustments are according to the following table.
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 firstname.lastname@example.org.