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

87.83%

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 1268 days 4.66 100%
Beatrice and Cyrill 10/10 1381 days true 4.44 95%
Yiying Zhang 5/10 2030 days 2.57 55%
Patricia Revel 7/10 2153 days true 2.67 57%
Jacques Revel 7/10 2153 days true 2.67 57%
Bjorn Van Mulders 10/10 2252 days true 2.74 59%
Kim Maertens 9/10 2252 days true 2.74 59%
Jean Ch 10/10 2395 days 2.46 53%
Peter Adams 10/10 2907 days true 1.45 31%
Laura Diepeveen 9/10 2918 days true 1.43 31%
Kasten Madsen 9/10 2922 days true 1.42 31%
Baas 8/10 2922 days true 1.35 29%
Karl Brachtl 10/10 2922 days true 1.42 31%
Marian Stolker 9/10 2929 days true 1.41 30%
Ursi Meier 10/10 2936 days true 1.4 30%
Helle Thomsen 10/10 3020 days true 1.23 26%
jenckes 1/10 3095 days 0.79 17%
KatieW85 10/10 3126 days 1.03 22%
Phill2517 8/10 3218 days 0.8 17%
JennyAndFelix 10/10 3248 days 0.79 17%
Mark Walker 7/10 3267 days true 0.68 15%
Keith Ogley 9/10 3273 days true 0.74 16%
Betten 10/10 3278 days true 0.73 16%
khs 9/10 3279 days 0.73 16%
Marco Schoeggl 9/10 3281 days true 0.72 15%
Danny and Loreen Way 7/10 3295 days true 0.63 14%
Remco Smit 8/10 3303 days true 0.65 14%
pamaho 10/10 3369 days 0.55 12%
MarcyMark 10/10 3613 days 0.07 2%
john england 10/10 3672 days 0.0 0%
Stephanie K 10/10 3685 days true 0.0 0%
AndyL 10/10 3734 days 0.0 0%
naturelover 10/10 3923 days true 0.0 0%
jjakkeren 8/10 3978 days true 0.0 0%
Greg18 9/10 4009 days 0.0 0%
Louise 10/10 4019 days true 0.0 0%
John&Denise 10/10 4021 days true 0.0 0%
Christoph 10/10 4037 days 0.0 0%
Kristen 9/10 4051 days true 0.0 0%
Claire 6/10 4064 days 0.0 0%
Aileen 9/10 4096 days true 0.0 0%
Katie Mitchell 10/10 4129 days 0.0 0%
Klaus 8/10 4369 days true 0.0 0%
Claire Masling 10/10 4378 days true 0.0 0%
Thomas 8/10 4392 days true 0.0 0%
Timothy 7/10 4424 days true 0.0 0%
Gerber Liselotte 10/10 4452 days true 0.0 0%
Will 7/10 4694 days true 0.0 0%
Sharon 10/10 4737 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 Elm Wildlife Tours 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 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 199 days.

The Elm Wildlife Tours 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

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.