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 Elm Wildlife 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

Elm Wildlife Tours

Valid Reviews

49 Valid Reviews

The Elm Wildlife Tours experience has a total of 51 reviews. There are 49 valid reviews that are included when calculating the ranking score and 2 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 49 valid reviews:

Rating Count Percentage
10/10 24
49%
9/10 10
20%
8/10 6
12%
7/10 6
12%
6/10 1
2%
5/10 1
2%
4/10 0
0%
3/10 0
0%
2/10 0
0%
1/10 1
2%

88.16% Average

The raw data average (mean) for all the Elm Wildlife Tours valid reviews is 88.16% and is based on 49 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 49 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 14
42%
9/10 8
24%
8/10 5
15%
7/10 6
18%
6/10 0
0%
5/10 0
0%
4/10 0
0%
3/10 0
0%
2/10 0
0%
1/10 0
0%

89.09% Average

The raw data average (mean) for all the Elm Wildlife Tours face-to-face reviews is 89.09% 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

91.07%

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
Catherine Skow 10/10 661 days 34.85 100%
Beatrice and Cyrill 10/10 774 days true 25.59 73%
Yiying Zhang 5/10 1423 days 4.55 10%
Patricia Revel 7/10 1546 days true 5.26 13%
Jacques Revel 7/10 1546 days true 5.26 13%
Bjorn Van Mulders 10/10 1645 days true 5.1 12%
Kim Maertens 9/10 1645 days true 5.1 12%
Jean Ch 10/10 1788 days 4.05 9%
Peter Adams 10/10 2300 days true 4.02 9%
Laura Diepeveen 9/10 2311 days true 4.0 9%
Kasten Madsen 9/10 2315 days true 3.99 9%
Baas 8/10 2315 days true 3.99 9%
Karl Brachtl 10/10 2315 days true 3.99 9%
Marian Stolker 9/10 2322 days true 3.98 9%
Ursi Meier 10/10 2329 days true 3.97 9%
Helle Thomsen 10/10 2413 days true 3.83 8%
jenckes 1/10 2488 days 2.63 5%
KatieW85 10/10 2519 days 3.05 6%
Phill2517 8/10 2611 days 2.92 6%
JennyAndFelix 10/10 2641 days 2.88 6%
Mark Walker 7/10 2660 days true 3.43 7%
Keith Ogley 9/10 2666 days true 3.42 7%
Betten 10/10 2671 days true 3.41 7%
khs 9/10 2672 days 2.84 5%
Marco Schoeggl 9/10 2674 days true 3.4 7%
Danny and Loreen Way 7/10 2688 days true 3.38 7%
Remco Smit 8/10 2696 days true 3.37 7%
pamaho 10/10 2762 days 2.72 5%
MarcyMark 10/10 3006 days 2.38 4%
john england 10/10 3065 days 2.3 4%
Stephanie K 10/10 3078 days true 2.74 5%
AndyL 10/10 3127 days 2.22 4%
naturelover 10/10 3316 days true 2.35 4%
jjakkeren 8/10 3371 days true 2.26 4%
Greg18 9/10 3402 days 1.84 2%
Louise 10/10 3412 days true 2.19 3%
John&Denise 10/10 3415 days true 2.19 3%
Christoph 10/10 3430 days 1.8 2%
Kristen 9/10 3444 days true 2.14 3%
Claire 6/10 3457 days 1.76 2%
Aileen 9/10 3490 days true 2.06 3%
Katie Mitchell 10/10 3522 days 1.68 2%
Klaus 8/10 3762 days true 1.62 2%
Claire Masling 10/10 3771 days true 1.6 2%
Thomas 8/10 3785 days true 1.58 2%
Timothy 7/10 3817 days true 1.53 2%
Gerber Liselotte 10/10 3845 days true 1.48 1%
Will 7/10 4087 days true 1.08 0%
Sharon 10/10 4130 days true 1.01 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 Elm Wildlife Tours experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-7.28% Adjustment

There may be an adjustment if an experience hasn't received any reviews within the last 60 days. However the Elm Wildlife 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 364 days.

The Elm Wildlife Tours experience has been adjusted for 364 days. Adjustments are according to the following table.

Days Adjustment
361 -7.22%
362 -7.24%
363 -7.26%
364 -7.28%
365 -7.30%
366 -7.32%
367 -7.34%

Final Ranking Score

84%

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.