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 Penguin Place.

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

Penguin Place

Valid Reviews

61 Valid Reviews

The Penguin Place experience has a total of 61 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 61 valid reviews:

Rating Count Percentage
10/10 24
39%
9/10 15
25%
8/10 14
23%
7/10 3
5%
6/10 1
2%
5/10 1
2%
4/10 2
3%
3/10 0
0%
2/10 1
2%
1/10 0
0%

86.72% Average

The raw data average (mean) for all the Penguin Place valid reviews is 86.72% and is based on 61 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

52 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 61 valid reviews, the experience has 52 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 52 face-to-face reviews:

Rating Count Percentage
10/10 18
35%
9/10 13
25%
8/10 14
27%
7/10 3
6%
6/10 0
0%
5/10 1
2%
4/10 2
4%
3/10 0
0%
2/10 1
2%
1/10 0
0%

85.58% Average

The raw data average (mean) for all the Penguin Place face-to-face reviews is 85.58% and is based on 52 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

87.67%

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
Antony Wilson 10/10 1143 days 100%
Dorothy and Graham Glen 10/10 1291 days 94%
Lars Grosse 10/10 1512 days 84%
Harald Ludtke 4/10 1531 days 65%
Rob and Nicole 8/10 1561 days 78%
Elke Paul 10/10 1585 days 81%
Chloe 5/10 1961 days 52%
Corinna Fallenbuchel 8/10 2345 days 46%
Richard 10/10 2513 days 42%
Julie Robinson 10/10 2650 days 36%
Ene Pold 9/10 2657 days 36%
Andrea Hiemer 10/10 2670 days 35%
Claudia 10/10 2697 days 34%
Jill Fischer 9/10 3000 days 21%
Jim and JoAnn Harllee 8/10 3096 days 16%
Brasier 9/10 3371 days 6%
Melanie Mathiak 10/10 3377 days 5%
Domroes 10/10 3386 days 5%
Carel 8/10 3391 days 4%
Herbert 10/10 3407 days 4%
JBunn 10/10 3425 days 3%
Dorthe 2/10 3457 days 0%
Helle Thomsen 10/10 3472 days 1%
Henrick Lund 8/10 3718 days 14%
Marcel Camsch 9/10 3723 days 16%
LandJ 6/10 3731 days 12%
Bert Opdam 9/10 3741 days 16%
Marieke and Bert-Jan 9/10 3747 days 16%
Jackie Morris 9/10 3750 days 16%
Montys 10/10 3882 days 16%
Marcia & Bruce 8/10 4086 days 14%
Ingrid Zell 8/10 4087 days 14%
Marcus Kippner 9/10 4087 days 16%
John Helle 7/10 4117 days 14%
Harmann Volker 8/10 4118 days 14%
Chidlebyte 10/10 4124 days 16%
Jessica 7/10 4129 days 14%
E.M. Prideaux 10/10 4138 days 16%
Jennifer Templeton 9/10 4141 days 16%
sels 10/10 4186 days 16%
Decuq 8/10 4197 days 14%
Suzanne 9/10 4247 days 16%
Thomas1646 10/10 4437 days 16%
Frank 10/10 4447 days 16%
Max 10/10 4449 days 16%
Jana 10/10 4449 days 16%
Anton 4/10 4453 days 11%
Tolsten 8/10 4472 days 14%
Claudia 9/10 4515 days 16%
Ria 9/10 4817 days 16%
Christian 8/10 4817 days 14%
Maria Fahlander 10/10 4820 days 16%
Sanne 8/10 4823 days 14%
Volders 9/10 4823 days 16%
Tessa McCormick 9/10 4827 days 16%
Gabriel Faber 9/10 4905 days 16%
Schranger 8/10 5167 days 14%
Fenke 7/10 5172 days 14%
Michaela 10/10 5184 days 16%
Berke 10/10 5195 days 16%
Rolf Kruger 8/10 5208 days 14%

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

Recent Reviews Adjustment

-2.74% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 94 days. However the Penguin Place 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 Penguin Place experience has been adjusted for 200 days. Adjustments are according to the following table.

Days Adjustment
197 -2.70%
198 -2.71%
199 -2.72%
200 -2.74%
201 -2.75%
202 -2.76%
203 -2.78%

Final Ranking Score

85%

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.