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 Farewell Spit Eco Tours.

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

Farewell Spit Eco Tours

Valid Reviews

43 Valid Reviews

The Farewell Spit Eco Tours experience has a total of 43 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 43 valid reviews:

Rating Count Percentage
10/10 14
33%
9/10 15
35%
8/10 7
16%
7/10 5
12%
6/10 1
2%
5/10 0
0%
4/10 0
0%
3/10 1
2%
2/10 0
0%
1/10 0
0%

87.21% Average

The raw data average (mean) for all the Farewell Spit Eco Tours valid reviews is 87.21% and is based on 43 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

33 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 43 valid reviews, the experience has 33 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 33 face-to-face reviews:

Rating Count Percentage
10/10 9
27%
9/10 12
36%
8/10 6
18%
7/10 4
12%
6/10 1
3%
5/10 0
0%
4/10 0
0%
3/10 1
3%
2/10 0
0%
1/10 0
0%

85.76% Average

The raw data average (mean) for all the Farewell Spit Eco Tours face-to-face reviews is 85.76% and is based on 33 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

97.79%

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
Kirsten Mitchell 10/10 154 days 96.24 100%
Alan Brown 9/10 1157 days 4.88 5%
Megan 10/10 1853 days true 3.52 4%
FlyingKiwiGirl 10/10 2041 days 3.15 3%
Brita Topp 10/10 2194 days 2.85 3%
Sarah 7/10 2233 days true 2.52 3%
Pam&Steve 10/10 2315 days 2.61 3%
Kevin Tranter 7/10 2597 days true 1.88 2%
Jenny Pullenger 8/10 2610 days true 1.93 2%
Bucher 10/10 2665 days true 1.93 2%
Cennart ud Brock 9/10 2679 days true 1.9 2%
Domroes 9/10 2976 days true 1.32 1%
John Duffy 10/10 3307 days true 0.67 1%
Zuur 9/10 3318 days true 0.65 1%
Marjan Van Den Braak 9/10 3322 days true 0.64 1%
Eva Bock 8/10 3324 days true 0.61 1%
David Glover 10/10 3343 days true 0.6 1%
inda Hall 9/10 3346 days true 0.59 1%
Lizzie 10/10 3441 days 0.41 0%
Darrell & Michelle Lamb 6/10 3603 days true 0.08 0%
lindam 10/10 3655 days true 0.0 0%
Chris Lloyd 9/10 3686 days 0.0 0%
Ron Price 8/10 3694 days true 0.0 0%
Norbert Hainz 9/10 3727 days true 0.0 0%
Gerry Donoghue 9/10 3728 days true 0.0 0%
helennz 9/10 3730 days true 0.0 0%
Mr & Mrs Sage 10/10 3731 days true 0.0 0%
Erika Muller 8/10 3765 days true 0.0 0%
Gary Brown 8/10 3778 days true 0.0 0%
Vivienne O'Reilly 10/10 3799 days true 0.0 0%
Barry Treve 10/10 4027 days true 0.0 0%
Sabine 9/10 4057 days true 0.0 0%
John&Denise 9/10 4064 days true 0.0 0%
Melanie 3/10 4101 days true 0.0 0%
Loren 7/10 4125 days true 0.0 0%
Chris Willsher 8/10 4134 days 0.0 0%
Triona Rawlence 9/10 4141 days 0.0 0%
Peddy 7/10 4255 days 0.0 0%
Anne 7/10 4386 days true 0.0 0%
Nicole 10/10 4403 days true 0.0 0%
Emma & Rob 8/10 4433 days true 0.0 0%
Anita 9/10 4757 days true 0.0 0%
Rolf Kruger 9/10 4798 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 Farewell Spit Eco Tours experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-2.72% Adjustment

There may be an adjustment if an experience hasn't received any reviews within the last 60 days. However the Farewell Spit Eco Tours 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 Farewell Spit Eco Tours experience has been adjusted for 136 days. Adjustments are according to the following table.

Days Adjustment
133 -2.66%
134 -2.68%
135 -2.70%
136 -2.72%
137 -2.74%
138 -2.76%
139 -2.78%

Final Ranking Score

95%

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.