Kia ora, 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.
Waitomo TOP 10 Holiday Park
Valid Reviews
108 Valid Reviews
The Waitomo TOP 10 Holiday Park experience has a total of 109 reviews. There are 108 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 108 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 30 |
|
28% |
| 9/10 | 32 |
|
30% |
| 8/10 | 34 |
|
31% |
| 7/10 | 8 |
|
7% |
| 6/10 | 1 |
|
1% |
| 5/10 | 1 |
|
1% |
| 4/10 | 0 |
|
0% |
| 3/10 | 1 |
|
1% |
| 2/10 | 1 |
|
1% |
| 1/10 | 0 |
|
0% |
86.30% Average
The raw data average (mean) for all the Waitomo TOP 10 Holiday Park valid reviews is 86.30% and is based on 108 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 108 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
85.62%
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 |
|---|---|---|---|
| Ben W | 8/10 | 163 days | 100% |
| RGill | 8/10 | 285 days | 97% |
| MatthiasB | 8/10 | 344 days | 95% |
| Tim Schmitter | 10/10 | 375 days | 95% |
| Millie | 8/10 | 497 days | 87% |
| Mike Fricker | 9/10 | 620 days | 80% |
| Andre | 10/10 | 710 days | 74% |
| Rob | 9/10 | 833 days | 62% |
| Anne | 7/10 | 863 days | 55% |
| Kawena Schuman | 9/10 | 955 days | 49% |
| Thomas Frank | 8/10 | 1075 days | 38% |
| Simon | 8/10 | 1106 days | 35% |
| Todd Caldwell | 9/10 | 1106 days | 35% |
| Paige Hayward | 8/10 | 1137 days | 32% |
| Lothar Valentijn | 9/10 | 1167 days | 30% |
| Grumpster | 10/10 | 2355 days | 4% |
| Scooper | 8/10 | 2447 days | 4% |
| Amy Alexander | 8/10 | 2477 days | 4% |
| Megan | 7/10 | 2477 days | 4% |
| Jgcanada | 10/10 | 2536 days | 4% |
| R James | 2/10 | 2628 days | 2% |
| Deb S | 7/10 | 2659 days | 3% |
| Lee | 10/10 | 2689 days | 3% |
| Nadene Wheatley | 9/10 | 3003 days | 3% |
| Liz K | 8/10 | 3277 days | 2% |
| Scott O'Donnell | 9/10 | 3296 days | 2% |
| Geoffrey Brogden | 9/10 | 3296 days | 2% |
| lemennais perrine | 8/10 | 3296 days | 2% |
| Lavina Kerki | 8/10 | 3300 days | 2% |
| Susi Sorglos | 3/10 | 3327 days | 1% |
| Luke Young | 8/10 | 3427 days | 2% |
| Phillippa McLernon | 9/10 | 3611 days | 2% |
| Rainer Welsch | 5/10 | 3663 days | 1% |
| Jamie | 9/10 | 3702 days | 1% |
| Suzanne Vermeulen | 6/10 | 3754 days | 1% |
| Jacqui | 9/10 | 3762 days | 1% |
| Emma Keegan | 8/10 | 3937 days | 1% |
| Nicky Hurst | 10/10 | 3954 days | 1% |
| Tineke Verschueren | 9/10 | 3963 days | 1% |
| Andrew Jones | 8/10 | 3968 days | 1% |
| Florian Kleemann | 7/10 | 3983 days | 1% |
| Laurie | 10/10 | 3996 days | 1% |
| Stephen McNair | 8/10 | 4027 days | 1% |
| holidaymad from Solihull | 9/10 | 4027 days | 1% |
| Neville Smith | 8/10 | 4149 days | 0% |
| Richard | 9/10 | 4212 days | 0% |
| Family Trip | 9/10 | 4334 days | 0% |
| Glenda | 10/10 | 4362 days | 0% |
| Jake Bell | 10/10 | 4393 days | 1% |
| Paul Wood | 8/10 | 4424 days | 1% |
| Ut & Sacha | 10/10 | 4485 days | 1% |
| Kathy Hart | 10/10 | 4638 days | 1% |
| Andrew Pearce | 10/10 | 4758 days | 1% |
| Hanneke P | 8/10 | 4758 days | 1% |
| David Restell | 8/10 | 4758 days | 1% |
| Wouter Trumpie | 7/10 | 4778 days | 1% |
| Stephan Olivier | 8/10 | 4793 days | 1% |
| Stephan Olivier | 8/10 | 4793 days | 1% |
| Fam von Hattem | 8/10 | 4801 days | 1% |
| Huw Davies | 8/10 | 5039 days | 1% |
| Rob Klauer | 8/10 | 5052 days | 1% |
| Ed Trucie | 9/10 | 5059 days | 1% |
| Peter Dellen | 9/10 | 5076 days | 1% |
| Deana Peters | 8/10 | 5076 days | 1% |
| Peter Putz | 9/10 | 5078 days | 1% |
| Liz Stokes | 9/10 | 5080 days | 1% |
| Scott Simpson | 10/10 | 5081 days | 1% |
| Johannes & Katrin | 9/10 | 5092 days | 1% |
| Fabienne Indergand | 10/10 | 5159 days | 1% |
| Benjamin Meier | 8/10 | 5170 days | 1% |
| Waldemar Schuler | 10/10 | 5171 days | 1% |
| Anne Quehe | 9/10 | 5171 days | 1% |
| Tacksharp | 10/10 | 5308 days | 1% |
| Ralph & Marloes Meyers | 9/10 | 5398 days | 1% |
| lyndavid | 10/10 | 5399 days | 1% |
| Rens Hemselmans | 8/10 | 5416 days | 1% |
| J Palmer | 9/10 | 5422 days | 1% |
| Liz & Jim | 10/10 | 5424 days | 1% |
| Omar Candon | 10/10 | 5431 days | 1% |
| Annelie & Martin | 9/10 | 5434 days | 1% |
| Tobias Torax | 10/10 | 5445 days | 1% |
| Tayler Gray | 9/10 | 5445 days | 1% |
| Stefan Morris | 8/10 | 5449 days | 1% |
| Theo Dykhuizen | 10/10 | 5453 days | 1% |
| Fred | 8/10 | 5458 days | 1% |
| Carl_Larsen | 10/10 | 5734 days | 1% |
| AlisonB | 10/10 | 5764 days | 1% |
| lindam | 10/10 | 5764 days | 1% |
| marisraneth | 9/10 | 5764 days | 1% |
| Denecke Thorsten | 9/10 | 5804 days | 1% |
| Tim Stick | 8/10 | 5809 days | 1% |
| Mathias Skov | 8/10 | 5809 days | 1% |
| Daryl Taylor | 10/10 | 5816 days | 1% |
| Susan | 10/10 | 5819 days | 1% |
| Carolina Gonzalez | 10/10 | 5821 days | 1% |
| joannaw | 8/10 | 5870 days | 1% |
| pimn | 9/10 | 5879 days | 1% |
| GoodTimes | 9/10 | 5885 days | 1% |
| Furger | 10/10 | 5887 days | 1% |
| jank | 9/10 | 5976 days | 1% |
| clairet | 7/10 | 5994 days | 1% |
| Donna | 10/10 | 6040 days | 1% |
| michellew | 10/10 | 6077 days | 1% |
| KatieR | 9/10 | 6127 days | 1% |
| Steve Harper | 7/10 | 6136 days | 1% |
| NicoleG | 9/10 | 6162 days | 1% |
| Grimm | 8/10 | 6176 days | 1% |
| Chris | 7/10 | 6178 days | 1% |
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
-2.94% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 44 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 145 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 142 | -2.88% |
| 143 | -2.90% |
| 144 | -2.92% |
| 145 | -2.94% |
| 146 | -2.96% |
| 147 | -2.98% |
| 148 | -3.00% |
| … | … |
Balancing Adjustment
2.32% 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
85%
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.