G'day, 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 Scotties Rental Cars.
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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Scotties Rental Cars
Valid Reviews
118 Valid Reviews
The Scotties Rental Cars experience has a total of 135 reviews. There are 118 valid reviews that are included when calculating the ranking score and 17 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.
Within these 118 valid reviews, the experience has 3 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 118 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 53 |
|
45% |
| 9/10 | 17 |
|
14% |
| 8/10 | 5 |
|
4% |
| 7/10 | 2 |
|
2% |
| 6/10 | 1 |
|
1% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 1 |
|
1% |
| 2/10 | 3 |
|
3% |
| 1/10 | 36 |
|
31% |
66.78% Average
The raw data average (mean) for all the Scotties Rental Cars valid reviews is 66.78% and is based on 118 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.
Weighted Average
71.96%
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 |
|---|---|---|---|
| Garry | 1/10 | 511 days | 45% |
| Mo & Mel | 10/10 | 633 days | 100% |
| Scott Richards | 1/10 | 755 days | 35% |
| Richard | 10/10 | 967 days | 61% |
| dacster | 1/10 | 998 days | 23% |
| R Cookson | 1/10 | 1151 days | 16% |
| Edmund Hillstone | 10/10 | 1697 days | 8% |
| Catherine thompson | 10/10 | 1697 days | 8% |
| Shayal Singh | 10/10 | 1697 days | 8% |
| JaJa | 1/10 | 1910 days | 2% |
| Uma | 1/10 | 1972 days | 2% |
| Awesome Starters | 8/10 | 2186 days | 5% |
| Peter Kohler | 10/10 | 2216 days | 5% |
| Wolf G | 10/10 | 2247 days | 5% |
| Bruno Bomitali | 10/10 | 2275 days | 5% |
| Phil | 10/10 | 2275 days | 5% |
| Nit Zys | 10/10 | 2275 days | 5% |
| Maria L. | 1/10 | 2306 days | 2% |
| Diego D | 2/10 | 2306 days | 2% |
| Doris, Hamburg | 10/10 | 2306 days | 5% |
| Amy | 1/10 | 2337 days | 2% |
| Nick | 7/10 | 2337 days | 5% |
| Bec | 2/10 | 2398 days | 2% |
| Jon | 1/10 | 2398 days | 2% |
| Mark | 10/10 | 2428 days | 5% |
| Nik B | 9/10 | 2459 days | 5% |
| Jakobus Crane | 10/10 | 2459 days | 5% |
| Wayne | 1/10 | 2490 days | 2% |
| George Thomas | 10/10 | 2490 days | 5% |
| John Coulter | 8/10 | 2490 days | 5% |
| Didier Charot | 10/10 | 2490 days | 5% |
| Gerard Mackle | 8/10 | 2490 days | 5% |
| P Douglas | 1/10 | 2490 days | 2% |
| Amy | 1/10 | 2490 days | 2% |
| Suzy Loscin | 10/10 | 2490 days | 5% |
| Harry de Melmanche | 10/10 | 2520 days | 5% |
| Max Williamson | 10/10 | 2520 days | 5% |
| J Freighter | 9/10 | 2520 days | 5% |
| Aaron Westhuizen | 10/10 | 2520 days | 5% |
| Mark B | 10/10 | 2520 days | 5% |
| M Arbuckle | 9/10 | 2551 days | 5% |
| Dean | 9/10 | 2581 days | 4% |
| Horst | 7/10 | 2581 days | 4% |
| Amelia M | 1/10 | 2581 days | 2% |
| Lewry | 10/10 | 2581 days | 4% |
| James Maddly | 10/10 | 2581 days | 4% |
| Irina | 10/10 | 2581 days | 4% |
| corby | 1/10 | 2612 days | 2% |
| Zhen Ni | 10/10 | 2612 days | 4% |
| andrew | 1/10 | 2612 days | 2% |
| Bridget | 10/10 | 2612 days | 4% |
| KP Sumner | 10/10 | 2612 days | 4% |
| Kevin D | 10/10 | 2612 days | 4% |
| Daniel Skiffington | 1/10 | 2640 days | 2% |
| Luus | 9/10 | 2640 days | 4% |
| Marcus | 10/10 | 2640 days | 4% |
| Laurie MacKenzie | 10/10 | 2640 days | 4% |
| D Freeman | 10/10 | 2640 days | 4% |
| Christine RUTHERFORD | 1/10 | 2640 days | 2% |
| Rhonda Rose | 1/10 | 2702 days | 2% |
| Ian Beaton | 1/10 | 2763 days | 2% |
| Ian Shere | 10/10 | 2824 days | 4% |
| david song | 1/10 | 2855 days | 1% |
| Joe Millman | 1/10 | 2885 days | 1% |
| Jonathan Farries | 1/10 | 2885 days | 1% |
| Kevin Sullivan | 1/10 | 2946 days | 1% |
| Suzanne Perigo | 10/10 | 2946 days | 4% |
| Gerald Till | 1/10 | 2977 days | 1% |
| Bob Pricer | 10/10 | 2977 days | 3% |
| Janet Lee | 1/10 | 2977 days | 1% |
| WorldTraveler22 | 1/10 | 3005 days | 1% |
| Amira Rashid | 1/10 | 3005 days | 1% |
| Yadu Prabhakar | 1/10 | 3036 days | 1% |
| Stephen Campbell | 8/10 | 3036 days | 3% |
| Sharron Wetere | 1/10 | 3036 days | 1% |
| Antony Kinsey | 1/10 | 3036 days | 1% |
| Martin Guhn | 1/10 | 3036 days | 1% |
| Kevin Hodgson | 10/10 | 3067 days | 3% |
| worldTraveler | 1/10 | 3067 days | 1% |
| Luke | 6/10 | 3079 days | 1% |
| Deidre | 10/10 | 3128 days | 3% |
| An G | 9/10 | 3128 days | 3% |
| Sam Cartwright | 10/10 | 3189 days | 3% |
| Barry Codlin | 9/10 | 3250 days | 3% |
| Priscilla Gagliano | 1/10 | 3342 days | 1% |
| Richard Kensington | 10/10 | 3402 days | 2% |
| KP Sumner | 9/10 | 3402 days | 2% |
| Stephen Jeffress | 10/10 | 3402 days | 2% |
| Loyann Loyann | 10/10 | 3433 days | 2% |
| Ron Eastwall | 10/10 | 3463 days | 2% |
| Susan Gadsby | 10/10 | 3463 days | 2% |
| John Waddy | 9/10 | 3494 days | 2% |
| Peter Rigby | 10/10 | 3524 days | 2% |
| Roderick Jones | 9/10 | 3524 days | 2% |
| Pierce Power | 10/10 | 3555 days | 2% |
| Rob Blair | 10/10 | 3555 days | 2% |
| Robert Pollock | 9/10 | 3586 days | 2% |
| P Lundin | 10/10 | 3586 days | 2% |
| P Wilson | 10/10 | 3586 days | 2% |
| CD Ash | 1/10 | 3708 days | 1% |
| Steven Thompson | 10/10 | 3767 days | 1% |
| Graham Dolan | 10/10 | 3767 days | 1% |
| nadine williams | 9/10 | 3767 days | 1% |
| Jenny Tebbutt | 9/10 | 3767 days | 1% |
| Paul K | 1/10 | 3828 days | 0% |
| Sophiana B | 10/10 | 3859 days | 1% |
| Zak Ruffin | 8/10 | 3951 days | 1% |
| Jeremy Goodwin | 10/10 | 4101 days | 1% |
| Serge Steiner | 9/10 | 4132 days | 1% |
| Doris | 9/10 | 4132 days | 1% |
| Sophie Faulkner | 10/10 | 4132 days | 1% |
| Wilf Healy | 10/10 | 4163 days | 0% |
| Ron Maurice | 9/10 | 4285 days | 0% |
| MarkA | 2/10 | 4316 days | 0% |
| travellingted | 1/10 | 5289 days | 0% |
| Jana | 9/10 | 5887 days | 1% |
| Edmund Hillstone | 10/10 | 6218 days | 1% |
| Susan | 3/10 | 6618 days | 0% |
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 Scotties Rental Cars experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-6.25% Adjustment
Recent reviews reflect the experience as it currently operates. This means it's important to get fresh reviews. Some experiences discovered they could get a few good reviews and then, resting on their laurels, discourage any further reviews. This adjustment stimulates experiences to be positively involved in the review generating process and discourages them from manipulating the ranking system in this manner.
What constitutes a recent review is based on the how old it is, what type of experience it is applied to and and what time of year it currently is. Due to the seasonal nature of many businesses, what is considered recent is dynamically adjusted throughout the year.
There may be an adjustment if this experience hasn't received enough reviews within the last 73 days. The Scotties Rental Cars experience has 0 recent rankings. Adjustments are according to the following table:
| Recent Reviews | Adjustment |
|---|---|
| 0 | -3.00% |
| 1 | -2.63% |
| 2 | -1.50% |
| 3 | -0.38% |
| 4 | -0.00% |
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 Scotties Rental Cars experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.20% |
| 198 | -3.22% |
| 199 | -3.23% |
| 200 | -3.25% |
| 201 | -3.26% |
| 202 | -3.28% |
| 203 | -3.30% |
| … | … |
Balancing Adjustment
9.71% 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
75%
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.