Multivariate Testing – Taguchi Method

In the earlier post, we talk about multivariate testing.

Here’s a more advanced of multivariate testing that I prefer – the Taguchi testing.

Let me explain what’s Taguchi testing is all about.

Taguchi testing is a statistical testing method devised by a Japanese engineer, Dr Genichi Taguchi.

It uses the orthogonal array model instead of the traditional full fractional model (used by Google Website Optimizer). Now that’s all math geek speak, so I’m not going to elaborate on that.

What’s most important is that with Taguchi testing, you can reduce the number of combinations needed for testing.

For example, if you have 4 elements with 2 variations each, you will need to test 16 (2 x 2 x 2 x 2) combinations using the traditional multivariate method.

With the Taguchi method, the number of combinations needed is reduced to only 8.

That means, you can reach a reasonable conclusion in a much faster time. And with that, you also save more on advertising fees because you only need a smaller sample size.

Let’s not forget, the faster you find a successful combination, the faster you get profitable. It’s all about time and money!

The drawback is that, Taguchi testing may not yield as “deep” conclusion that you can get with full fractional multivariate test (which test all possible combinations).

If you are looking for a good testing software with Taguchi capability, you can try Affiliate Prophet. It also gives you AIDA statistics, which is an indication on how long users are spending on your site on a keyword and landing page basis. Very powerful stuff.

As usual, I look forward to your comments.

To your success,

Jag Foo

P.S  If you want a greater in-depth information how testing and tracking can positively affect your ROI, then click here:

=> http://emoneymarketing.com/SmallChangesBigProfits

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Wow. Will definitely have to do a little bit more research and look into this more. Could save me quite a bit of money on my advertising costs.
Personal Watercraft Parts´s last blog ..Personal Watercraft Parts

does this method actually work? There are a lot of methods on the internet which are just get rich quick schemes!

Hi Nick,

Testing are not quick get rich. Testing is a scientific way to getting the most of out of your ad campaign. If you want to know what works – then testing is absolutely crucial.

Taguchi testing is merely an advanced form of testing to get your data in much faster time.

Best,
Jag

Thanks Jag. I had never heard of that methodology – there had to be a way to reduce this testing timeframe whilst making sure you spot what works…

that sounds very interesting and could save a lot of money, but is there any example that shows the usefulness of this? anyway, i will get a little more information about this, should be great if it really gets the job done right. thanks for the post.

Statistic analyses is one of my hobbies and professional interests! Thanks for informing about this convenient method of analyses!

Hi Maria,

You can find plenty of examples here:
http://books.google.com.sg/books?id=eft_wplFTk4C&printsec=frontcover&dq=business+breakthrough+results+mvt&source=bl&ots=2TlVi98Tox&sig=yYJIE-tN4vHCB94aSvg-c4jKszQ&hl=en&ei=gwPHS8_OJ4S3rAeMxsHJCQ&sa=X&oi=book_result&ct=result&resnum=5&ved=0CBYQ6AEwBA#v=onepage&q&f=false

Cheers,
Jag

this is some powerful stuff and i have never heard of it. Thanks Jag for the link it will be useful, is affilate prophet a free tool or paid?

Jason

This information is so complicated that i needed to read it twice before I understood everything i needed. Thanks for sharing – this knowledge will help me in making my career!

I’ve been doing multivariate testing on my sites for a long time. I’ve been able to engrave this in the initial building process and this has really helped in building good quality website. I’ve never used the Taguchi method, but i will definitely try it on the next site.

SOunds interesting. I’ll have to check it out some more. Amazing what math can do.
Toothhater´s last blog ..Toothless Heart-Throb

Jason:

Affiliate Prophet is a paid software. And a very good one at that.

Cheers,
Jag

damn i’m learning new things here. Honestly i was just redirected here by the browser after googling the word testing and i wasnt expecting to learn that taguchi method.

Amanda Benami

I agree that multivariate testing is important.

One thing though that should be tested, and we find very few managers do is, the percentage of business they lose when they use a centrally controlled spam filter that trashes a certain percentage of new prospective clients to a site.

When a centrally controlled spam filter is subject to “voting” by members as with some WordPress sites, what happens is that other blog owners who do not know a persons business are making decisions in terms of who will or won’t be allowed a good experience on the current blog owner’s site. (Being trashed is never pleasant, even if the blog owner checks the spam folder. By that time the damage has been done.)

With our clients, we have had found that 5 to 7% of new business is often squelched because comments or inquiries are sent to trash rather than to moderation by centrally controlled anonymous spam filters.

Some of these have also come to the attention of the American Civil Liberties Union as well for violation of free speech laws.

It’s one thing to control communication for one’s own blog or business. However, when thousands of persons delegate censorship of public airways to one anonymous entity, bad things tend to happen.

So, the measure we take in addition to more traditional measurements like Alexa, PR Ranking, etc, is percent of business discouraged by choice of spam filter.

It’s an important issue, and one that is going to become even more important in the future.

Dr. Ann Voisin, Linda Christas College

Hi Jag,

I’m afraid Akismet trashed my comment again because I used the wrong website name in the website address box.

Thanks for saving it and letting me know.

Dr. Ann

Affiliate prophet seems like a great tool !

Jadem

I would like to try this one , but if I can get the product in Germany?
Sample business proposal´s last blog ..To learn guitar chords – Professor Joseph Chikelue Obi

Thanks for this – I was aware of multivariate testing, but this gave me much more food for thought on the topic.

So, we got know it is much powerful and efficient than the previous ones which was limited to 8!

I like Affiliate Prophet, i think is a great tool. Grazia.
Mutuo´s last blog ..Mutuo Carispaq a tasso variabile

This looks like a great way to save time and money while doing multivariate testing. I read some more about Taguchi methods on Wikipedia and it’s really interesting. Here’s the link: http://en.wikipedia.org/wiki/Taguchi_methods

Hm.. This Taguchi testing system looks interesting. I definately need to try it…

Matvey

Doctor´s last blog ..New Type Of Diet Drugs

Any method allowing proper results whilst saving time is worth considering! Saved time can then be used for implementing results of your studies…

I have not heard of Taguchi testing. But now that I have read this article I can see how beneficial it is. I am gonna research on it some more. Any help on what systems can be used for this?

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It is interesting for me to learn about multivariate testing and Taguchi testing as I had not such information about it.I do appreciate you that you have described us about it.

Katie Simmons

Taguchi is useful in situations where there is
a cost involved in making the permutations – that’s why it’s so popular in manufacturing

Interesting. Thanks for the post. Going to read up on this. However, from what understand from the article, it is really going to save a lot time testing variables.

Aldric Chang

Blogging for money´s last blog ..IMade500 VS CB Predators

Testing is a scientific way to getting the most of out of your ad campaign

interesting concepty, has anyone used the product that can offer a review?

Thanks Jag. You gave me enough reading for a whole Sunday afternoon :-) Hope to come back soon with findings…

i think multivariate testing is very complex, good work!

Thanks for the post! Very interesting…
Looking for home equity mortgage?

This method sounds very interesting indeed. You can actually get the same results for half the worktime invested.
Lephora´s last blog ..I Miss Salzburg

It is an excellent way to make an effective test.

I never heard of Taguchi method, did anyone test it? If for sure is saving time and money, it is worth considering! I am going to do some research and come back with findings!

I have not heard of Taguchi testing. Looks pretty interesting

Chris Perkins

well i read a few more ways to do the test from a magazine I bought from a garage sale. but so far this one seems to be a better way to do it.

Hey I never heard about this before. great share I must say.Taguchi testing is seems to be Time reducing & money incresing.Affiliate prophet is also seems like a great tool.

this is very interesting and this is very useful, helps me to learn also in multivariate testing.

Kelvin Bax

Superb! This info is amazing!

If this method really works it can be powerful stuff but I’m not convinced

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This book focuses primarily on the dirtier side of marketing that no one likes to talk about.

I am not a nice marketer. I will take your sales if I can. I will take your blueprint and twist it up to suit my own personal purposes of making money online. I will hi-jack all the work you have spent days building for my personal monetary gain. I will let the suckers who think there are rules to this game play by the rules.

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get caught.

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Get the most of your campaign. If you want to know what works – then the test is absolutely essential. Taguchi experiment is just a test of the advanced form to get faster data.
David Advisor´s last blog ..?????????????Windows

I Found this both interesting and informative the Taguchi method could be the system i need to use

Russell Weaver

Hi Jag,
Thank you… information is cognitive and interesting.

i think i will go in for that one too.

Nice info thanks for sharing. I have not tried this technique but surely am gonna try it and then will let you know about the results after comparison with Black box and White Box testing techniques.

Darren Anthony

very good, look forward to view your other articles.

that is nice of u sharing such an interesting information it is very inspiring hope to get more. best wishes.see u http://www.tienseshop.com.

Awesome article, thanks a lot for sharing

Multivariate testing is really awesome way to save both time and money.I also read more about the Taguchi is too impressive.