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.

Cymen Crick's avatar

Cymen Crick

Rankers Owner

Scotties Rental Cars

Valid Reviews

119 Valid Reviews

The Scotties Rental Cars experience has a total of 136 reviews. There are 119 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 119 valid reviews, the experience has 3 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 119 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 37
31%

66.30% Average

The raw data average (mean) for all the Scotties Rental Cars valid reviews is 66.30% and is based on 119 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

65.67%

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
KF 1/10 312 days 100%
Garry 1/10 1074 days 39%
Mo & Mel 10/10 1196 days 72%
Scott Richards 1/10 1318 days 21%
Richard 10/10 1530 days 26%
dacster 1/10 1561 days 9%
R Cookson 1/10 1714 days 6%
Edmund Hillstone 10/10 2260 days 11%
Catherine thompson 10/10 2260 days 11%
Shayal Singh 10/10 2260 days 11%
JaJa 1/10 2473 days 4%
Uma 1/10 2535 days 4%
Awesome Starters 8/10 2749 days 8%
Peter Kohler 10/10 2779 days 8%
Wolf G 10/10 2810 days 8%
Bruno Bomitali 10/10 2838 days 8%
Phil 10/10 2838 days 8%
Nit Zys 10/10 2838 days 8%
Maria L. 1/10 2869 days 3%
Diego D 2/10 2869 days 3%
Doris, Hamburg 10/10 2869 days 8%
Amy 1/10 2900 days 3%
Nick 7/10 2900 days 7%
Bec 2/10 2961 days 3%
Jon 1/10 2961 days 3%
Mark 10/10 2991 days 7%
Nik B 9/10 3022 days 7%
Jakobus Crane 10/10 3022 days 7%
Wayne 1/10 3053 days 3%
George Thomas 10/10 3053 days 7%
John Coulter 8/10 3053 days 6%
Didier Charot 10/10 3053 days 7%
Gerard Mackle 8/10 3053 days 6%
P Douglas 1/10 3053 days 3%
Amy 1/10 3053 days 3%
Suzy Loscin 10/10 3053 days 7%
Harry de Melmanche 10/10 3083 days 6%
Max Williamson 10/10 3083 days 6%
J Freighter 9/10 3083 days 6%
Aaron Westhuizen 10/10 3083 days 6%
Mark B 10/10 3083 days 6%
M Arbuckle 9/10 3114 days 6%
Dean 9/10 3144 days 6%
Horst 7/10 3144 days 6%
Amelia M 1/10 3144 days 2%
Lewry 10/10 3144 days 6%
James Maddly 10/10 3144 days 6%
Irina 10/10 3144 days 6%
corby 1/10 3175 days 2%
Zhen Ni 10/10 3175 days 6%
andrew 1/10 3175 days 2%
Bridget 10/10 3175 days 6%
KP Sumner 10/10 3175 days 6%
Kevin D 10/10 3175 days 6%
Daniel Skiffington 1/10 3202 days 2%
Luus 9/10 3203 days 6%
Marcus 10/10 3203 days 6%
Laurie MacKenzie 10/10 3203 days 6%
D Freeman 10/10 3203 days 6%
Christine RUTHERFORD 1/10 3203 days 2%
Rhonda Rose 1/10 3264 days 2%
Ian Beaton 1/10 3325 days 2%
Ian Shere 10/10 3386 days 5%
david song 1/10 3417 days 2%
Joe Millman 1/10 3447 days 2%
Jonathan Farries 1/10 3447 days 2%
Kevin Sullivan 1/10 3508 days 2%
Suzanne Perigo 10/10 3508 days 4%
Gerald Till 1/10 3539 days 2%
Bob Pricer 10/10 3539 days 4%
Janet Lee 1/10 3539 days 2%
WorldTraveler22 1/10 3567 days 1%
Amira Rashid 1/10 3567 days 1%
Yadu Prabhakar 1/10 3598 days 1%
Stephen Campbell 8/10 3598 days 4%
Sharron Wetere 1/10 3598 days 1%
Antony Kinsey 1/10 3598 days 1%
Martin Guhn 1/10 3599 days 1%
Kevin Hodgson 10/10 3629 days 4%
worldTraveler 1/10 3629 days 1%
Luke 6/10 3642 days 2%
Deidre 10/10 3690 days 3%
An G 9/10 3690 days 3%
Sam Cartwright 10/10 3751 days 3%
Barry Codlin 9/10 3812 days 3%
Priscilla Gagliano 1/10 3905 days 1%
Richard Kensington 10/10 3964 days 2%
KP Sumner 9/10 3964 days 2%
Stephen Jeffress 10/10 3964 days 2%
Loyann Loyann 10/10 3996 days 2%
Ron Eastwall 10/10 4025 days 2%
Susan Gadsby 10/10 4026 days 2%
John Waddy 9/10 4056 days 1%
Peter Rigby 10/10 4086 days 1%
Roderick Jones 9/10 4087 days 1%
Pierce Power 10/10 4117 days 1%
Rob Blair 10/10 4118 days 1%
Robert Pollock 9/10 4148 days 1%
P Lundin 10/10 4148 days 1%
P Wilson 10/10 4148 days 1%
CD Ash 1/10 4270 days 0%
Steven Thompson 10/10 4329 days 0%
Graham Dolan 10/10 4329 days 0%
nadine williams 9/10 4329 days 0%
Jenny Tebbutt 9/10 4329 days 0%
Paul K 1/10 4390 days 1%
Sophiana B 10/10 4421 days 2%
Zak Ruffin 8/10 4514 days 2%
Jeremy Goodwin 10/10 4663 days 2%
Serge Steiner 9/10 4694 days 2%
Doris 9/10 4695 days 2%
Sophie Faulkner 10/10 4695 days 2%
Wilf Healy 10/10 4726 days 2%
Ron Maurice 9/10 4848 days 2%
MarkA 2/10 4879 days 1%
travellingted 1/10 5852 days 1%
Jana 9/10 6450 days 1%
Edmund Hillstone 10/10 6780 days 2%
Susan 3/10 7181 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

-6.95% 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 47 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 -3.89%
198 -3.91%
199 -3.93%
200 -3.95%
201 -3.97%
202 -3.99%
203 -4.01%
… …

Balancing Adjustment

15.02% 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

74%

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.