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 Waitomo TOP 10 Holiday Park.

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

Waitomo TOP 10 Holiday Park

Valid Reviews

93 Valid Reviews

The Waitomo TOP 10 Holiday Park experience has a total of 94 reviews. There are 93 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 93 valid reviews:

Rating Count Percentage
10/10 28
30%
9/10 27
29%
8/10 27
29%
7/10 7
8%
6/10 1
1%
5/10 1
1%
4/10 0
0%
3/10 1
1%
2/10 1
1%
1/10 0
0%

86.45% Average

The raw data average (mean) for all the Waitomo TOP 10 Holiday Park valid reviews is 86.45% and is based on 93 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

48 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 93 valid reviews, the experience has 48 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 48 face-to-face reviews:

Rating Count Percentage
10/10 14
29%
9/10 16
33%
8/10 14
29%
7/10 4
8%
6/10 0
0%
5/10 0
0%
4/10 0
0%
3/10 0
0%
2/10 0
0%
1/10 0
0%

88.33% Average

The raw data average (mean) for all the Waitomo TOP 10 Holiday Park face-to-face reviews is 88.33% and is based on 48 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

83.58%

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
Grumpster 10/10 541 days 100%
Scooper 8/10 633 days 69%
Amy Alexander 8/10 664 days 61%
Megan 7/10 664 days 58%
Jgcanada 10/10 723 days 50%
R James 2/10 815 days 24%
Deb S 7/10 846 days 25%
Lee 10/10 875 days 24%
Nadene Wheatley 9/10 1190 days 9%
Liz K 8/10 1464 days 8%
Scott O'Donnell 9/10 1483 days 8%
Geoffrey Brogden 9/10 1483 days 8%
lemennais perrine 8/10 1483 days 7%
Lavina Kerki 8/10 1487 days 7%
Susi Sorglos 3/10 1514 days 6%
Luke Young 8/10 1613 days 7%
Phillippa McLernon 9/10 1798 days 7%
Rainer Welsch 5/10 1850 days 5%
Jamie 9/10 1889 days 6%
Suzanne Vermeulen 6/10 1941 days 5%
Jacqui 9/10 1948 days 6%
Emma Keegan 8/10 2124 days 5%
Nicky Hurst 10/10 2141 days 5%
Tineke Verschueren 9/10 2150 days 5%
Andrew Jones 8/10 2155 days 5%
Florian Kleemann 7/10 2170 days 5%
Laurie 10/10 2183 days 5%
Stephen McNair 8/10 2214 days 5%
holidaymad from Solihull 9/10 2214 days 5%
Neville Smith 8/10 2336 days 5%
Richard 9/10 2398 days 5%
Family Trip 9/10 2521 days 4%
Glenda 10/10 2549 days 4%
Jake Bell 10/10 2580 days 4%
Paul Wood 8/10 2611 days 4%
Ut & Sacha 10/10 2672 days 4%
Kathy Hart 10/10 2824 days 3%
Andrew Pearce 10/10 2945 days 3%
Hanneke P 8/10 2945 days 2%
David Restell 8/10 2945 days 2%
Wouter Trumpie 7/10 2965 days 2%
Stephan Olivier 8/10 2980 days 2%
Stephan Olivier 8/10 2980 days 2%
Fam von Hattem 8/10 2988 days 2%
Huw Davies 8/10 3226 days 1%
Rob Klauer 8/10 3239 days 1%
Ed Trucie 9/10 3246 days 1%
Peter Dellen 9/10 3263 days 1%
Deana Peters 8/10 3263 days 1%
Peter Putz 9/10 3265 days 1%
Liz Stokes 9/10 3267 days 1%
Scott Simpson 10/10 3268 days 1%
Johannes & Katrin 9/10 3279 days 1%
Fabienne Indergand 10/10 3346 days 1%
Benjamin Meier 8/10 3357 days 1%
Waldemar Schuler 10/10 3358 days 1%
Anne Quehe 9/10 3358 days 1%
Tacksharp 10/10 3494 days 1%
Ralph & Marloes Meyers 9/10 3585 days 0%
lyndavid 10/10 3586 days 0%
Rens Hemselmans 8/10 3603 days 0%
J Palmer 9/10 3609 days 0%
Liz & Jim 10/10 3611 days 0%
Omar Candon 10/10 3618 days 0%
Annelie & Martin 9/10 3621 days 0%
Tobias Torax 10/10 3632 days 0%
Tayler Gray 9/10 3632 days 0%
Stefan Morris 8/10 3636 days 0%
Theo Dykhuizen 10/10 3640 days 0%
Fred 8/10 3645 days 0%
Carl_Larsen 10/10 3920 days 2%
AlisonB 10/10 3951 days 2%
lindam 10/10 3951 days 2%
marisraneth 9/10 3951 days 2%
Denecke Thorsten 9/10 3991 days 2%
Tim Stick 8/10 3996 days 2%
Mathias Skov 8/10 3996 days 2%
Daryl Taylor 10/10 4003 days 2%
Susan 10/10 4006 days 2%
Carolina Gonzalez 10/10 4008 days 2%
joannaw 8/10 4057 days 2%
pimn 9/10 4066 days 2%
GoodTimes 9/10 4072 days 2%
Furger 10/10 4074 days 2%
jank 9/10 4162 days 2%
clairet 7/10 4180 days 2%
Donna 10/10 4226 days 2%
michellew 10/10 4263 days 2%
KatieR 9/10 4314 days 2%
Steve Harper 7/10 4323 days 2%
NicoleG 9/10 4349 days 2%
Grimm 8/10 4363 days 2%
Chris 7/10 4365 days 2%

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 Waitomo TOP 10 Holiday Park experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-4.12% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 48 days. However the Waitomo TOP 10 Holiday Park 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 Waitomo TOP 10 Holiday Park experience has been adjusted for 200 days. Adjustments are according to the following table.

Days Adjustment
197 -4.06%
198 -4.08%
199 -4.10%
200 -4.12%
201 -4.14%
202 -4.16%
203 -4.18%

Final Ranking Score

79%

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.