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
104 Valid Reviews
The Waitomo TOP 10 Holiday Park experience has a total of 105 reviews. There are 104 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 104 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 29 |
|
28% |
| 9/10 | 32 |
|
31% |
| 8/10 | 31 |
|
30% |
| 7/10 | 8 |
|
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% |
86.35% Average
The raw data average (mean) for all the Waitomo TOP 10 Holiday Park valid reviews is 86.35% and is based on 104 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 104 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
85.70%
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 |
|---|---|---|---|
| Millie | 8/10 | 81 days | 100% |
| Mike Fricker | 9/10 | 204 days | 99% |
| Andre | 10/10 | 294 days | 97% |
| Rob | 9/10 | 417 days | 91% |
| Anne | 7/10 | 447 days | 84% |
| Kawena Schuman | 9/10 | 539 days | 85% |
| Thomas Frank | 8/10 | 659 days | 76% |
| Simon | 8/10 | 690 days | 73% |
| Todd Caldwell | 9/10 | 690 days | 74% |
| Paige Hayward | 8/10 | 721 days | 71% |
| Lothar Valentijn | 9/10 | 751 days | 69% |
| Grumpster | 10/10 | 1939 days | 5% |
| Scooper | 8/10 | 2031 days | 5% |
| Amy Alexander | 8/10 | 2061 days | 5% |
| Megan | 7/10 | 2061 days | 4% |
| Jgcanada | 10/10 | 2120 days | 5% |
| R James | 2/10 | 2212 days | 2% |
| Deb S | 7/10 | 2243 days | 4% |
| Lee | 10/10 | 2273 days | 4% |
| Nadene Wheatley | 9/10 | 2587 days | 4% |
| Liz K | 8/10 | 2861 days | 3% |
| Scott O'Donnell | 9/10 | 2880 days | 3% |
| Geoffrey Brogden | 9/10 | 2880 days | 3% |
| lemennais perrine | 8/10 | 2880 days | 3% |
| Lavina Kerki | 8/10 | 2884 days | 3% |
| Susi Sorglos | 3/10 | 2911 days | 2% |
| Luke Young | 8/10 | 3011 days | 3% |
| Phillippa McLernon | 9/10 | 3195 days | 2% |
| Rainer Welsch | 5/10 | 3247 days | 2% |
| Jamie | 9/10 | 3286 days | 2% |
| Suzanne Vermeulen | 6/10 | 3338 days | 2% |
| Jacqui | 9/10 | 3346 days | 2% |
| Emma Keegan | 8/10 | 3521 days | 2% |
| Nicky Hurst | 10/10 | 3538 days | 2% |
| Tineke Verschueren | 9/10 | 3547 days | 2% |
| Andrew Jones | 8/10 | 3552 days | 2% |
| Florian Kleemann | 7/10 | 3567 days | 2% |
| Laurie | 10/10 | 3580 days | 2% |
| Stephen McNair | 8/10 | 3611 days | 2% |
| holidaymad from Solihull | 9/10 | 3611 days | 2% |
| Neville Smith | 8/10 | 3733 days | 1% |
| Richard | 9/10 | 3796 days | 1% |
| Family Trip | 9/10 | 3918 days | 1% |
| Glenda | 10/10 | 3946 days | 1% |
| Jake Bell | 10/10 | 3977 days | 1% |
| Paul Wood | 8/10 | 4008 days | 1% |
| Ut & Sacha | 10/10 | 4069 days | 1% |
| Kathy Hart | 10/10 | 4222 days | 0% |
| Andrew Pearce | 10/10 | 4342 days | 0% |
| Hanneke P | 8/10 | 4342 days | 0% |
| David Restell | 8/10 | 4342 days | 0% |
| Wouter Trumpie | 7/10 | 4362 days | 0% |
| Stephan Olivier | 8/10 | 4377 days | 0% |
| Stephan Olivier | 8/10 | 4377 days | 0% |
| Fam von Hattem | 8/10 | 4385 days | 1% |
| Huw Davies | 8/10 | 4623 days | 1% |
| Rob Klauer | 8/10 | 4636 days | 1% |
| Ed Trucie | 9/10 | 4643 days | 1% |
| Peter Dellen | 9/10 | 4660 days | 1% |
| Deana Peters | 8/10 | 4660 days | 1% |
| Peter Putz | 9/10 | 4662 days | 1% |
| Liz Stokes | 9/10 | 4664 days | 1% |
| Scott Simpson | 10/10 | 4665 days | 1% |
| Johannes & Katrin | 9/10 | 4676 days | 1% |
| Fabienne Indergand | 10/10 | 4743 days | 1% |
| Benjamin Meier | 8/10 | 4754 days | 1% |
| Waldemar Schuler | 10/10 | 4755 days | 1% |
| Anne Quehe | 9/10 | 4755 days | 1% |
| Tacksharp | 10/10 | 4892 days | 1% |
| Ralph & Marloes Meyers | 9/10 | 4982 days | 1% |
| lyndavid | 10/10 | 4983 days | 1% |
| Rens Hemselmans | 8/10 | 5000 days | 1% |
| J Palmer | 9/10 | 5006 days | 1% |
| Liz & Jim | 10/10 | 5008 days | 1% |
| Omar Candon | 10/10 | 5015 days | 1% |
| Annelie & Martin | 9/10 | 5018 days | 1% |
| Tobias Torax | 10/10 | 5029 days | 1% |
| Tayler Gray | 9/10 | 5029 days | 1% |
| Stefan Morris | 8/10 | 5033 days | 1% |
| Theo Dykhuizen | 10/10 | 5037 days | 1% |
| Fred | 8/10 | 5042 days | 1% |
| Carl_Larsen | 10/10 | 5318 days | 1% |
| AlisonB | 10/10 | 5348 days | 1% |
| lindam | 10/10 | 5348 days | 1% |
| marisraneth | 9/10 | 5348 days | 1% |
| Denecke Thorsten | 9/10 | 5388 days | 1% |
| Tim Stick | 8/10 | 5393 days | 1% |
| Mathias Skov | 8/10 | 5393 days | 1% |
| Daryl Taylor | 10/10 | 5400 days | 1% |
| Susan | 10/10 | 5403 days | 1% |
| Carolina Gonzalez | 10/10 | 5405 days | 1% |
| joannaw | 8/10 | 5454 days | 1% |
| pimn | 9/10 | 5463 days | 1% |
| GoodTimes | 9/10 | 5469 days | 1% |
| Furger | 10/10 | 5471 days | 1% |
| jank | 9/10 | 5560 days | 1% |
| clairet | 7/10 | 5578 days | 1% |
| Donna | 10/10 | 5624 days | 1% |
| michellew | 10/10 | 5661 days | 1% |
| KatieR | 9/10 | 5711 days | 1% |
| Steve Harper | 7/10 | 5720 days | 1% |
| NicoleG | 9/10 | 5746 days | 1% |
| Grimm | 8/10 | 5760 days | 1% |
| Chris | 7/10 | 5762 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
-1.24% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 43 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 61 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 58 | -1.17% |
| 59 | -1.19% |
| 60 | -1.21% |
| 61 | -1.24% |
| 62 | -1.26% |
| 63 | -1.28% |
| 64 | -1.30% |
| … | … |
Balancing Adjustment
1.93% 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
86%
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.