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 Balclutha Motor Camp.
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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Balclutha Motor Camp
Valid Reviews
51 Valid Reviews
The Balclutha Motor Camp experience has a total of 51 valid reviews. There are no invalid reviews 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 51 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 27 |
|
53% |
| 9/10 | 10 |
|
20% |
| 8/10 | 5 |
|
10% |
| 7/10 | 5 |
|
10% |
| 6/10 | 3 |
|
6% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 1 |
|
2% |
| 1/10 | 0 |
|
0% |
89.22% Average
The raw data average (mean) for all the Balclutha Motor Camp valid reviews is 89.22% and is based on 51 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
10 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 51 valid reviews, the experience has 10 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 10 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 2 |
|
20% |
| 9/10 | 3 |
|
30% |
| 8/10 | 0 |
|
0% |
| 7/10 | 1 |
|
10% |
| 6/10 | 3 |
|
30% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 1 |
|
10% |
| 1/10 | 0 |
|
0% |
74.00% Average
The raw data average (mean) for all the Balclutha Motor Camp face-to-face reviews is 74.00% and is based on 10 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
96.88%
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 |
|---|---|---|---|
| Conny | 10/10 | 50 days | 100% |
| Fabian | 10/10 | 81 days | 100% |
| Hannah | 10/10 | 234 days | 97% |
| Leon | 10/10 | 385 days | 92% |
| Shawn A | 10/10 | 385 days | 92% |
| Mathilde Andersen | 10/10 | 477 days | 87% |
| Diana Antunez | 10/10 | 477 days | 87% |
| Anne | 10/10 | 691 days | 73% |
| Sandrine Wandelburg | 10/10 | 691 days | 73% |
| Nicola Law | 10/10 | 722 days | 70% |
| Gee | 8/10 | 722 days | 69% |
| Ietje | 9/10 | 781 days | 65% |
| Ernst | 9/10 | 781 days | 65% |
| Blu Ice | 10/10 | 842 days | 60% |
| Darryl Mackenzie | 10/10 | 1056 days | 39% |
| Jenna | 9/10 | 1177 days | 29% |
| Suzanne | 7/10 | 1391 days | 15% |
| Mudford Family | 9/10 | 1633 days | 7% |
| Ana and Rob | 7/10 | 1664 days | 6% |
| Robert Schwall | 10/10 | 1817 days | 5% |
| Suzanne | 10/10 | 1877 days | 5% |
| Kaloyan Radev | 10/10 | 1877 days | 5% |
| Lisa | 10/10 | 1938 days | 5% |
| Amelie Charrier | 10/10 | 2303 days | 4% |
| Esteban | 10/10 | 2517 days | 4% |
| Svetlana Shriyan | 10/10 | 2576 days | 4% |
| Brigham Edgar | 7/10 | 2620 days | 3% |
| Lizzie V | 10/10 | 2637 days | 3% |
| Birjit Jens | 10/10 | 2655 days | 3% |
| Chloe McKee | 10/10 | 2769 days | 3% |
| Tracey Tyson | 9/10 | 2857 days | 3% |
| María del Carmen Escandell | 8/10 | 3210 days | 2% |
| Hya@nztrip | 9/10 | 3368 days | 2% |
| Fiona and Ben | 8/10 | 3429 days | 2% |
| Yvonne Wu | 10/10 | 3582 days | 2% |
| Tyrell Seavey | 10/10 | 3697 days | 1% |
| Sina Leidig | 10/10 | 3763 days | 1% |
| Rob Bradbury | 7/10 | 4068 days | 1% |
| Andrew Grimes | 6/10 | 4369 days | 0% |
| Lynda Quartay | 6/10 | 4369 days | 0% |
| roos wubben | 6/10 | 4480 days | 1% |
| MeganG | 8/10 | 4678 days | 1% |
| Katrawa | 9/10 | 4761 days | 1% |
| Reed Bell | 9/10 | 5044 days | 1% |
| Manu & Gabi | 10/10 | 5110 days | 1% |
| Jenny & Barry Sleeman | 7/10 | 5126 days | 1% |
| jhwjhw | 8/10 | 5133 days | 1% |
| Don & Alice | 9/10 | 5474 days | 1% |
| Claudia | 10/10 | 5477 days | 1% |
| JaninaF | 2/10 | 5822 days | 0% |
| KathrinS | 9/10 | 5824 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 Balclutha Motor Camp experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-0.60% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 53 days. However the Balclutha Motor Camp 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 Balclutha Motor Camp experience has been adjusted for 29 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 26 | -0.54% |
| 27 | -0.56% |
| 28 | -0.58% |
| 29 | -0.60% |
| 30 | -0.62% |
| 31 | -0.64% |
| 32 | -0.66% |
| … | … |
Balancing Adjustment
0.32% 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
97%
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.