Hi, 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
85.65%
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 | 258 days | 100% |
| RGill | 8/10 | 380 days | 95% |
| MatthiasB | 8/10 | 439 days | 93% |
| Tim Schmitter | 10/10 | 470 days | 93% |
| Millie | 8/10 | 592 days | 83% |
| Mike Fricker | 9/10 | 715 days | 74% |
| Andre | 10/10 | 805 days | 67% |
| Rob | 9/10 | 928 days | 53% |
| Anne | 7/10 | 958 days | 47% |
| Kawena Schuman | 9/10 | 1050 days | 41% |
| Thomas Frank | 8/10 | 1170 days | 31% |
| Simon | 8/10 | 1201 days | 28% |
| Todd Caldwell | 9/10 | 1201 days | 28% |
| Paige Hayward | 8/10 | 1232 days | 26% |
| Lothar Valentijn | 9/10 | 1262 days | 24% |
| Grumpster | 10/10 | 2450 days | 4% |
| Scooper | 8/10 | 2542 days | 4% |
| Amy Alexander | 8/10 | 2572 days | 4% |
| Megan | 7/10 | 2572 days | 3% |
| Jgcanada | 10/10 | 2631 days | 3% |
| R James | 2/10 | 2723 days | 1% |
| Deb S | 7/10 | 2754 days | 3% |
| Lee | 10/10 | 2784 days | 3% |
| Nadene Wheatley | 9/10 | 3098 days | 2% |
| Liz K | 8/10 | 3372 days | 2% |
| Scott O'Donnell | 9/10 | 3391 days | 2% |
| Geoffrey Brogden | 9/10 | 3391 days | 2% |
| lemennais perrine | 8/10 | 3391 days | 2% |
| Lavina Kerki | 8/10 | 3395 days | 2% |
| Susi Sorglos | 3/10 | 3422 days | 1% |
| Luke Young | 8/10 | 3522 days | 2% |
| Phillippa McLernon | 9/10 | 3706 days | 1% |
| Rainer Welsch | 5/10 | 3758 days | 1% |
| Jamie | 9/10 | 3797 days | 1% |
| Suzanne Vermeulen | 6/10 | 3849 days | 1% |
| Jacqui | 9/10 | 3857 days | 1% |
| Emma Keegan | 8/10 | 4032 days | 1% |
| Nicky Hurst | 10/10 | 4049 days | 1% |
| Tineke Verschueren | 9/10 | 4058 days | 1% |
| Andrew Jones | 8/10 | 4063 days | 0% |
| Florian Kleemann | 7/10 | 4078 days | 0% |
| Laurie | 10/10 | 4091 days | 0% |
| Stephen McNair | 8/10 | 4122 days | 0% |
| holidaymad from Solihull | 9/10 | 4122 days | 0% |
| Neville Smith | 8/10 | 4244 days | 0% |
| Richard | 9/10 | 4307 days | 0% |
| Family Trip | 9/10 | 4429 days | 1% |
| Glenda | 10/10 | 4457 days | 1% |
| Jake Bell | 10/10 | 4488 days | 1% |
| Paul Wood | 8/10 | 4519 days | 1% |
| Ut & Sacha | 10/10 | 4580 days | 1% |
| Kathy Hart | 10/10 | 4733 days | 1% |
| Andrew Pearce | 10/10 | 4853 days | 1% |
| Hanneke P | 8/10 | 4853 days | 1% |
| David Restell | 8/10 | 4853 days | 1% |
| Wouter Trumpie | 7/10 | 4873 days | 1% |
| Stephan Olivier | 8/10 | 4888 days | 1% |
| Stephan Olivier | 8/10 | 4888 days | 1% |
| Fam von Hattem | 8/10 | 4896 days | 1% |
| Huw Davies | 8/10 | 5134 days | 1% |
| Rob Klauer | 8/10 | 5147 days | 1% |
| Ed Trucie | 9/10 | 5154 days | 1% |
| Peter Dellen | 9/10 | 5171 days | 1% |
| Deana Peters | 8/10 | 5171 days | 1% |
| Peter Putz | 9/10 | 5173 days | 1% |
| Liz Stokes | 9/10 | 5175 days | 1% |
| Scott Simpson | 10/10 | 5176 days | 1% |
| Johannes & Katrin | 9/10 | 5187 days | 1% |
| Fabienne Indergand | 10/10 | 5254 days | 1% |
| Benjamin Meier | 8/10 | 5265 days | 1% |
| Waldemar Schuler | 10/10 | 5266 days | 1% |
| Anne Quehe | 9/10 | 5266 days | 1% |
| Tacksharp | 10/10 | 5403 days | 1% |
| Ralph & Marloes Meyers | 9/10 | 5493 days | 1% |
| lyndavid | 10/10 | 5494 days | 1% |
| Rens Hemselmans | 8/10 | 5511 days | 1% |
| J Palmer | 9/10 | 5517 days | 1% |
| Liz & Jim | 10/10 | 5519 days | 1% |
| Omar Candon | 10/10 | 5526 days | 1% |
| Annelie & Martin | 9/10 | 5529 days | 1% |
| Tobias Torax | 10/10 | 5540 days | 1% |
| Tayler Gray | 9/10 | 5540 days | 1% |
| Stefan Morris | 8/10 | 5544 days | 1% |
| Theo Dykhuizen | 10/10 | 5548 days | 1% |
| Fred | 8/10 | 5553 days | 1% |
| Carl_Larsen | 10/10 | 5829 days | 1% |
| AlisonB | 10/10 | 5859 days | 1% |
| lindam | 10/10 | 5859 days | 1% |
| marisraneth | 9/10 | 5859 days | 1% |
| Denecke Thorsten | 9/10 | 5899 days | 1% |
| Tim Stick | 8/10 | 5904 days | 1% |
| Mathias Skov | 8/10 | 5904 days | 1% |
| Daryl Taylor | 10/10 | 5911 days | 1% |
| Susan | 10/10 | 5914 days | 1% |
| Carolina Gonzalez | 10/10 | 5916 days | 1% |
| joannaw | 8/10 | 5965 days | 1% |
| pimn | 9/10 | 5974 days | 1% |
| GoodTimes | 9/10 | 5980 days | 1% |
| Furger | 10/10 | 5982 days | 1% |
| jank | 9/10 | 6071 days | 1% |
| clairet | 7/10 | 6089 days | 1% |
| Donna | 10/10 | 6135 days | 1% |
| michellew | 10/10 | 6172 days | 1% |
| KatieR | 9/10 | 6222 days | 1% |
| Steve Harper | 7/10 | 6231 days | 1% |
| NicoleG | 9/10 | 6257 days | 1% |
| Grimm | 8/10 | 6271 days | 1% |
| Chris | 7/10 | 6273 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
-3.44% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 66 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 | -3.39% |
| 198 | -3.41% |
| 199 | -3.43% |
| 200 | -3.44% |
| 201 | -3.46% |
| 202 | -3.48% |
| 203 | -3.49% |
| … | … |
Balancing Adjustment
2.43% 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.