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

65.97%

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 1/10 211 days 100%
Garry 1/10 973 days 48%
Mo & Mel 10/10 1095 days 89%
Scott Richards 1/10 1217 days 27%
Richard 10/10 1429 days 35%
dacster 1/10 1460 days 13%
R Cookson 1/10 1613 days 8%
Edmund Hillstone 10/10 2159 days 11%
Catherine thompson 10/10 2159 days 11%
Shayal Singh 10/10 2159 days 11%
JaJa 1/10 2372 days 4%
Uma 1/10 2434 days 4%
Awesome Starters 8/10 2648 days 8%
Peter Kohler 10/10 2678 days 8%
Wolf G 10/10 2709 days 8%
Bruno Bomitali 10/10 2737 days 8%
Phil 10/10 2737 days 8%
Nit Zys 10/10 2737 days 8%
Maria L. 1/10 2768 days 3%
Diego D 2/10 2768 days 3%
Doris, Hamburg 10/10 2768 days 8%
Amy 1/10 2799 days 3%
Nick 7/10 2799 days 7%
Bec 2/10 2860 days 3%
Jon 1/10 2860 days 3%
Mark 10/10 2890 days 7%
Nik B 9/10 2921 days 7%
Jakobus Crane 10/10 2921 days 7%
Wayne 1/10 2952 days 3%
George Thomas 10/10 2952 days 7%
John Coulter 8/10 2952 days 7%
Didier Charot 10/10 2952 days 7%
Gerard Mackle 8/10 2952 days 7%
P Douglas 1/10 2952 days 3%
Amy 1/10 2952 days 3%
Suzy Loscin 10/10 2952 days 7%
Harry de Melmanche 10/10 2982 days 7%
Max Williamson 10/10 2982 days 7%
J Freighter 9/10 2982 days 7%
Aaron Westhuizen 10/10 2982 days 7%
Mark B 10/10 2982 days 7%
M Arbuckle 9/10 3013 days 7%
Dean 9/10 3043 days 6%
Horst 7/10 3043 days 6%
Amelia M 1/10 3043 days 3%
Lewry 10/10 3043 days 6%
James Maddly 10/10 3043 days 6%
Irina 10/10 3043 days 6%
corby 1/10 3074 days 2%
Zhen Ni 10/10 3074 days 6%
andrew 1/10 3074 days 2%
Bridget 10/10 3074 days 6%
KP Sumner 10/10 3074 days 6%
Kevin D 10/10 3074 days 6%
Daniel Skiffington 1/10 3102 days 2%
Luus 9/10 3102 days 6%
Marcus 10/10 3102 days 6%
Laurie MacKenzie 10/10 3102 days 6%
D Freeman 10/10 3102 days 6%
Christine RUTHERFORD 1/10 3102 days 2%
Rhonda Rose 1/10 3164 days 2%
Ian Beaton 1/10 3225 days 2%
Ian Shere 10/10 3286 days 5%
david song 1/10 3317 days 2%
Joe Millman 1/10 3347 days 2%
Jonathan Farries 1/10 3347 days 2%
Kevin Sullivan 1/10 3408 days 2%
Suzanne Perigo 10/10 3408 days 5%
Gerald Till 1/10 3439 days 2%
Bob Pricer 10/10 3439 days 4%
Janet Lee 1/10 3439 days 2%
WorldTraveler22 1/10 3467 days 2%
Amira Rashid 1/10 3467 days 2%
Yadu Prabhakar 1/10 3498 days 2%
Stephen Campbell 8/10 3498 days 4%
Sharron Wetere 1/10 3498 days 2%
Antony Kinsey 1/10 3498 days 2%
Martin Guhn 1/10 3498 days 2%
Kevin Hodgson 10/10 3529 days 4%
worldTraveler 1/10 3529 days 2%
Luke 6/10 3541 days 2%
Deidre 10/10 3590 days 4%
An G 9/10 3590 days 4%
Sam Cartwright 10/10 3651 days 3%
Barry Codlin 9/10 3712 days 3%
Priscilla Gagliano 1/10 3804 days 1%
Richard Kensington 10/10 3864 days 2%
KP Sumner 9/10 3864 days 2%
Stephen Jeffress 10/10 3864 days 2%
Loyann Loyann 10/10 3895 days 2%
Ron Eastwall 10/10 3925 days 2%
Susan Gadsby 10/10 3925 days 2%
John Waddy 9/10 3956 days 2%
Peter Rigby 10/10 3986 days 2%
Roderick Jones 9/10 3986 days 2%
Pierce Power 10/10 4017 days 2%
Rob Blair 10/10 4017 days 2%
Robert Pollock 9/10 4048 days 1%
P Lundin 10/10 4048 days 1%
P Wilson 10/10 4048 days 1%
CD Ash 1/10 4170 days 0%
Steven Thompson 10/10 4229 days 1%
Graham Dolan 10/10 4229 days 1%
nadine williams 9/10 4229 days 1%
Jenny Tebbutt 9/10 4229 days 1%
Paul K 1/10 4290 days 0%
Sophiana B 10/10 4321 days 0%
Zak Ruffin 8/10 4413 days 2%
Jeremy Goodwin 10/10 4563 days 2%
Serge Steiner 9/10 4594 days 2%
Doris 9/10 4594 days 2%
Sophie Faulkner 10/10 4594 days 2%
Wilf Healy 10/10 4625 days 2%
Ron Maurice 9/10 4747 days 2%
MarkA 2/10 4778 days 1%
travellingted 1/10 5751 days 1%
Jana 9/10 6350 days 1%
Edmund Hillstone 10/10 6680 days 2%
Susan 3/10 7080 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

-4.97% 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 123 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 188 days. Adjustments are according to the following table.

Days Adjustment
185 -1.94%
186 -1.95%
187 -1.96%
188 -1.97%
189 -1.98%
190 -1.99%
191 -2.00%

Balancing Adjustment

13.21% 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.