Ranking Score Explained

G'day, 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 Oamaru Blue Penguin Colony.

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.

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Cymen Crick

Rankers Owner

Oamaru Blue Penguin Colony

Valid Reviews

125 Valid Reviews

The Oamaru Blue Penguin Colony experience has a total of 126 reviews. There are 125 valid reviews that are included when calculating the ranking score and 1 invalid review 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 125 valid reviews:

Rating Count Percentage
10/10 28
22%
9/10 30
24%
8/10 19
15%
7/10 15
12%
6/10 8
6%
5/10 9
7%
4/10 9
7%
3/10 2
2%
2/10 3
2%
1/10 2
2%

76.00% Average

The raw data average (mean) for all the Oamaru Blue Penguin Colony valid reviews is 76.00% and is based on 125 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

109 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 125 valid reviews, the experience has 109 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 109 face-to-face reviews:

Rating Count Percentage
10/10 23
21%
9/10 27
25%
8/10 17
16%
7/10 14
13%
6/10 7
6%
5/10 8
7%
4/10 6
6%
3/10 2
2%
2/10 3
3%
1/10 2
2%

75.87% Average

The raw data average (mean) for all the Oamaru Blue Penguin Colony face-to-face reviews is 75.87% and is based on 109 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

80.22%

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
Dina Schurer 7/10 2932 days 97%
J P Schurer 7/10 2932 days 97%
Dries 9/10 2972 days 100%
Jasmine Rogers 10/10 2985 days 100%
Sophie 10/10 2992 days 99%
Nicholas Strozza 8/10 3025 days 95%
Jill Stebbing 9/10 3248 days 80%
Lothen 8/10 3269 days 78%
Lea Watterson 9/10 3291 days 77%
James Esele 7/10 3345 days 69%
Philipp 2/10 3353 days 33%
Coralie Ambrosino 8/10 3611 days 53%
Christoph 10/10 3614 days 54%
Fanny DeBon 8/10 3712 days 46%
Hubert 10/10 3722 days 46%
Sagi 2/10 3993 days 11%
Henrik Suefke 10/10 4011 days 25%
Kiernan Matthew 7/10 4016 days 23%
Alexis Redor 9/10 4020 days 24%
Lars Borgaa 4/10 4029 days 15%
Mette, Bo, Viktor & Olivia Seligmann 4/10 4323 days 1%
Glenn Surzur 4/10 4350 days 0%
Michael Walker 10/10 4356 days 0%
Lorraine Walker 9/10 4356 days 0%
Michael Nolan 10/10 4382 days 36%
Jim Woodruff 10/10 4382 days 36%
Lis Bon 10/10 4413 days 36%
Liam Day 10/10 4430 days 36%
Auger 9/10 4451 days 35%
Auger 9/10 4451 days 35%
C Schaap 8/10 4455 days 35%
Marjo Cousijn 9/10 4461 days 35%
gareth williams 5/10 4505 days 27%
Dagette 8/10 4505 days 35%
Wright 10/10 4723 days 36%
Emma Bagguley 4/10 4726 days 23%
Hazel & Alan Damerell 10/10 4730 days 36%
Michael & Rosemary Smith 9/10 4734 days 35%
Koster 10/10 4734 days 36%
John A Jerome 6/10 4734 days 31%
Katrawa 5/10 4741 days 27%
Jensen Bresbenbeek 7/10 4811 days 33%
Rebecca & Hugh Small 5/10 4820 days 27%
Steve 3/10 4824 days 19%
topsy08 7/10 5054 days 33%
Gunter 9/10 5068 days 35%
Tim Laurent 5/10 5076 days 27%
Keith Ogley 6/10 5079 days 31%
Lynda Hutchins 10/10 5079 days 36%
Louise van der Hyden 4/10 5083 days 23%
Katie Mitchell 9/10 5085 days 35%
Gerhard 8/10 5086 days 35%
Kasten 8/10 5087 days 35%
C P Lawrence 4/10 5089 days 23%
Bucher Weruer 9/10 5089 days 35%
Naomi Kosteaman 9/10 5089 days 35%
Rian Bach 5/10 5091 days 27%
Josef & Christine Evers 8/10 5094 days 35%
Frank Schedler 5/10 5096 days 27%
Gerd Pagel 7/10 5098 days 33%
Charlie 9/10 5099 days 35%
Dana Pagliarini 5/10 5101 days 27%
Andy Martin 8/10 5102 days 35%
Julia 5/10 5105 days 27%
Doris Neuber 7/10 5112 days 33%
Teknik151 4/10 5113 days 23%
Warris2500 4/10 5297 days 23%
Versteeg 7/10 5371 days 33%
Victoria Slater 6/10 5424 days 31%
Bowness 10/10 5437 days 36%
David B 9/10 5445 days 35%
Sievers 9/10 5453 days 35%
Don & Alice 9/10 5454 days 35%
Amanda Iavarone 10/10 5456 days 36%
Sheila Morgan 10/10 5459 days 36%
Wilbert Germ 9/10 5463 days 35%
Ronny 6/10 5464 days 31%
Annette Schmitt 4/10 5472 days 23%
Annie 7/10 5472 days 33%
Nadine Schaee 6/10 5475 days 31%
Terry Phillips 8/10 5475 days 35%
Chance McGuire 10/10 5478 days 36%
Richard Pearson 6/10 5488 days 31%
cees juffermans 3/10 5491 days 19%
wenerz 1/10 5525 days 14%
Werner Zuis 1/10 5525 days 14%
alasiac 10/10 5540 days 36%
Mark Jenkins 5/10 5548 days 27%
Silvana Thom 10/10 5550 days 36%
Alexis De Wilde 7/10 5550 days 33%
Cyriel Schacken 7/10 5550 days 33%
Simon Bartholomew 10/10 5552 days 36%
Marcel Schleinkcfer 10/10 5552 days 36%
Thorben Thede 9/10 5552 days 35%
Roma 9/10 5563 days 35%
brianp 8/10 5656 days 35%
Rose and Jess Damon and Esler 6/10 5693 days 31%
OliverG1 9/10 5772 days 35%
Anji Sprinks 8/10 5781 days 35%
Ger 6/10 5782 days 31%
JanW 8/10 5796 days 35%
Ian 8/10 5808 days 35%
Tatjane 2/10 5815 days 15%
ChristineM 10/10 5817 days 36%
SebastianGermany1 9/10 5819 days 35%
Paul 9/10 5827 days 35%
SiegfriedL 10/10 5839 days 36%
purplekat99 9/10 5874 days 35%
Klaus 7/10 6175 days 33%
Volders 10/10 6177 days 36%
Dot & Gordon Quaid 9/10 6191 days 35%
Roger & Margaret 8/10 6198 days 35%
John Howlett 7/10 6200 days 33%
Dupre 7/10 6253 days 33%
Paul Cowie 9/10 6259 days 35%
Floren 9/10 6273 days 35%
Killerblow 10/10 6282 days 36%
Lisbeth Johansson 8/10 6386 days 35%
TeamFlorida 10/10 6521 days 36%
John Beirne 10/10 6538 days 36%
Pete 9/10 6538 days 35%
Anne 8/10 6538 days 35%
Anna 9/10 6543 days 35%
Mitch 8/10 6549 days 35%
Ian 9/10 6566 days 35%

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

Recent Reviews Adjustment

-4.14% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 49 days. However the Oamaru Blue Penguin Colony 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 Oamaru Blue Penguin Colony experience has been adjusted for 200 days. Adjustments are according to the following table.

Days Adjustment
197 -4.08%
198 -4.10%
199 -4.12%
200 -4.14%
201 -4.16%
202 -4.18%
203 -4.20%

Balancing Adjustment

4.24% Adjustment

Every experience's review score is adjusted to balance out the disproportional number of negative reviews that are contributed.

You won't be surprised to learn that disgruntled customers are more likely to leave a review than happy ones. They are motivated to share their experience and warn others. We consider this a good thing and it's why reading the reviews is important. However we've learned it can misrepresent the experience in a more overall sense.

We apply a balancing adjustment to counteract this effect and ensure the ranking score is a more fair representation of the experience. This adjustment is applied equally to all experiences.

Final Ranking Score

80%

The final ranking score once any adjustments, ratings, and rounding has been applied. This value is recalculated each day and a short rolling average is applied. Therefore it may not be precisely accurate based on the other values presented.