Ranking Score Explained

Hi there, 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 Spellbound Ltd.

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.

Nick Morrison's avatar

Nick Morrison

Rankers owner

Spellbound Ltd

Valid Reviews

114 Valid Reviews

The Spellbound Ltd experience has a total of 120 reviews. There are 114 valid reviews that are included when calculating the ranking score and 6 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 114 valid reviews:

Rating Count Percentage
10/10 67
59%
9/10 28
25%
8/10 12
11%
7/10 5
4%
6/10 2
2%
5/10 0
0%
4/10 0
0%
3/10 0
0%
2/10 0
0%
1/10 0
0%

93.42% Average

The raw data average (mean) for all the Spellbound Ltd valid reviews is 93.42% and is based on 114 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

52 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 114 valid reviews, the experience has 52 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 52 face-to-face reviews:

Rating Count Percentage
10/10 16
31%
9/10 20
38%
8/10 10
19%
7/10 5
10%
6/10 1
2%
5/10 0
0%
4/10 0
0%
3/10 0
0%
2/10 0
0%
1/10 0
0%

88.65% Average

The raw data average (mean) for all the Spellbound Ltd face-to-face reviews is 88.65% and is based on 52 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

97.86%

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 Face-to-Face Weight Relative Weight
beryl maehe rogers 10/10 56 days 99.5 100%
Carlos Madrid 9/10 56 days 99.5 100%
maryann de la haye 10/10 56 days 99.5 100%
Kris 10/10 87 days 98.8 99%
Jean-Martial MARENNE 10/10 87 days 98.8 99%
Eleri 10/10 87 days 98.8 99%
Richard Taylor 10/10 115 days 97.9 98%
Jenny Hume 10/10 146 days 96.62 97%
Ollie Bigelow 10/10 207 days 93.21 94%
Kristine 10/10 207 days 93.21 94%
Bill Lyon 10/10 207 days 93.21 94%
Rob & Jan 10/10 207 days 93.21 94%
geex25@gmail.com 8/10 207 days 93.21 94%
Alex 10/10 238 days 91.02 91%
Tara Holmes 10/10 238 days 91.02 91%
Marg 10/10 238 days 91.02 91%
Annette and Jan 10/10 238 days 91.02 91%
Vanesa De la haza 10/10 267 days 88.7 89%
Judy 10/10 267 days 88.7 89%
Emanda 10/10 267 days 88.7 89%
Mary 10/10 267 days 88.7 89%
Paul from Australia 10/10 390 days 75.9 76%
Brad, California 10/10 452 days 67.63 68%
Sarah Killury 10/10 479 days 63.64 64%
Kristin Svensson 10/10 510 days 58.78 59%
Javier Mimbrera 10/10 632 days 38.97 39%
Dave Rollison 9/10 816 days 17.33 17%
Judit Van lanen 9/10 894 days true 13.68 13%
Thomas Nolwenn 7/10 942 days true 10.45 10%
Jilly Crew 10/10 997 days 6.52 6%
Cj Bloomfield 10/10 1120 days 4.97 5%
Stephan Kirchenbaur 8/10 1177 days true 5.87 5%
Eline Meijer 7/10 1254 days true 5.74 5%
Ruth P 10/10 1272 days 4.76 4%
villemain pascale 10/10 1303 days 4.72 4%
Shelley Adderley 10/10 1333 days 4.67 4%
Niko Stange 10/10 1516 days 4.42 4%
Abi Fielder 10/10 1575 days 4.34 4%
MARYSE DUMAS 9/10 1606 days 4.3 4%
Karen Hale 8/10 1606 days 4.3 4%
Erik Hafuer 10/10 1616 days true 5.14 5%
Bram and Laura 9/10 1638 days true 5.11 5%
Polly Rider 9/10 1642 days true 5.1 5%
Kyle S 10/10 1698 days 4.17 4%
Simon Mehlmann 10/10 1890 days true 4.69 4%
Astrid 10/10 1913 days 3.88 3%
Miriam Grund 8/10 1917 days true 4.65 4%
Brian 9/10 2033 days 3.72 3%
Martin & Carol 10/10 2064 days 3.67 3%
Christine & Andrew 9/10 2155 days 3.55 3%
Bonnie and David Appleby 10/10 2278 days 3.38 3%
Rob Walker 10/10 2278 days 3.38 3%
Brigitte 9/10 2356 days true 3.93 4%
Andreas Garbin 10/10 2356 days true 3.93 4%
cmhamlin 10/10 2368 days 3.26 3%
Fam von Hattem 9/10 2380 days true 3.89 3%
Bodil Andersen 10/10 2383 days true 3.88 3%
phudgb 10/10 2429 days 3.17 3%
Lukea 10/10 2612 days 2.92 2%
Huw Davies 9/10 2618 days true 3.5 3%
Lisa Carey 9/10 2629 days true 3.48 3%
Michael Touzer 9/10 2638 days true 3.46 3%
Lucy Wilde 9/10 2646 days true 3.45 3%
Miina Hyuonen 8/10 2654 days true 3.44 3%
Dieter Mangold 10/10 2655 days true 3.44 3%
Preben vil Helmsen 10/10 2655 days true 3.44 3%
Rachel 7/10 2657 days true 3.43 3%
Christian Apfel 9/10 2660 days true 3.43 3%
Elizabeth Gardner 9/10 2664 days true 3.42 3%
Fleur & Nils 9/10 2665 days true 3.42 3%
kiwiconvert 10/10 2672 days 2.84 2%
ivanovskyv 10/10 2703 days 2.8 2%
Willem & Lilian 9/10 2743 days true 3.29 3%
Lardy 8/10 2751 days true 3.28 3%
piseagalba 10/10 2764 days 2.71 2%
katel86 10/10 2824 days 2.63 2%
shelleyp 10/10 2947 days 2.46 2%
bdel1963 10/10 2947 days 2.46 2%
Geoff Shutt 9/10 2947 days 2.46 2%
Ralph & Marloes Meyers 8/10 2977 days true 2.91 2%
Helen Evans 7/10 2992 days true 2.88 2%
Binder 6/10 2993 days true 2.88 2%
Monica 8/10 3005 days true 2.86 2%
Vincent 9/10 3013 days true 2.85 2%
Kurmann/Kayser 9/10 3015 days true 2.84 2%
Pascal 9/10 3027 days true 2.82 2%
Kris 10/10 3027 days true 2.82 2%
Sprangers 9/10 3030 days true 2.82 2%
ianbateup 10/10 3037 days 2.34 2%
Lance 10/10 3129 days 2.21 2%
Papu 10/10 3129 days 2.21 2%
marisraneth 8/10 3343 days true 2.3 2%
john england 10/10 3374 days 1.88 1%
Mary Selfa 10/10 3398 days true 2.21 2%
snodge 9/10 3402 days 1.84 1%
PaulR 10/10 3433 days 1.8 1%
Thomas Rust 10/10 3468 days true 2.1 2%
SBlake 10/10 3713 days true 1.7 1%
KathM 8/10 3724 days true 1.68 1%
ToyalFrance 10/10 3728 days true 1.67 1%
Donna 10/10 3733 days true 1.66 1%
PeterG 9/10 3741 days true 1.65 1%
NicoleG 8/10 3741 days true 1.65 1%
ReneeA 9/10 3756 days true 1.63 1%
Ans 8/10 3781 days true 1.58 1%
Marga V 10/10 3820 days 1.27 1%
mehunt 9/10 3820 days 1.27 1%
lming60 6/10 3833 days 1.25 1%
Bryony Wilson 9/10 4088 days true 1.08 1%
Buys 7/10 4113 days true 1.04 1%
Carole Roccia 10/10 4149 days true 0.98 1%
Valeria Barouch 10/10 4190 days true 0.91 0%
Katherine 10/10 4464 days true 0.46 0%
Nissa 10/10 4473 days true 0.45 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 Spellbound Ltd 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 an experience hasn't received any reviews within the last 60 days. However the Spellbound Ltd 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 364 days.

The Spellbound Ltd experience has been adjusted for 30 days. Adjustments are according to the following table.

Days Adjustment
27 -0.54%
28 -0.56%
29 -0.58%
30 -0.60%
31 -0.62%
32 -0.64%
33 -0.66%

Final Ranking Score

97%

The final ranking score once adjustments and rounding has been applied. This value is cached and recalculated each day. Therefore it may not be precisely accurate based on the other values presented.

If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz.

Love Christchurch