Category Archives: New Zealand

August ’15 – NZ blogs sitemeter ranking

experts


Problems with Sitemeter

The problems with SiteMeter are still bad  this month. I gave some of the background to these problems in my post Time to give up on Sitemeter. If you wish to query the information in the table I suggest you check out the data in the SiteMeter pages.

I think some bloggers have removed their Sitemeters. I am blogs that don’t’ show any remaining links to Sitemeter.

If you are using SiteMeter, and especially if you find you page isn’t included this month, I suggest you consider transferring to a more reliable counter like StatCounter. Have a look at the NZ Blog Rankings FAQs if you need help with this.

Bravenet stats no longer allows access

At least to the monthly data. It is restricting that access to paying subscriber (Bravenet Pro). This affects the 14 blogs listed below so I cannot include them in this ranking list at the moment unless I can find an alternative. If any of these bloggers want to try a different stats counter I recommend Statcounter. Have a look at the NZ Blog Rankings FAQs if you need help with this.

Pt England Scribes Virtual North
Korero Pt England Kiwi Chronicles
Digital learning Making IT Happen
King’s High School Library But Now
ICTPD Football Tragic NZ
Manaia Kindergarten Anticipating future impacts
Sleeping with books Moving the crowd

Although there are now over 300 blogs on the list, although I am weeding out those which are no longer active or have removed public access to sitemeters. (Let me know if I weed out yours by mistake or get your stats wrong).

Every month I get queries from people wanting their own blog included. I encourage and am happy to respond to queries but have prepared a list of frequently asked questions (FAQs) people can check out. Have a look at NZ Blog Rankings FAQ. This is particularly helpful to those wondering how to set up sitemeters. Please note, the system is automatic and relies on blogs having sitemeters which allow public access to the stats.

Here are the rankings of New Zealand blogs with publicly available statistics for August 2015. Ranking is by visit numbers. I have listed the blogs in the table below, together with monthly visits and page view numbers. Meanwhile I am still keen to hear of any other blogs with publicly available sitemeter or visitor stats that I have missed. Contact me if you know of any or wish help adding publicly available stats to your bog.

You can see data for previous months at Blog Ranks

Subscribe to NZ Blog Rankings Subscribe to NZ blog rankings by Email Find out how to get Subscription & email updates Continue reading

Australian census religion question – progress

One-World-Religion-300x287

World Religions. Credit: Islam Beyond Borders

Looks like Australians have won another small victory in the way that their religiosity is officially assessed. In particular how census forms pose the religion question on census forms is posed.

I discussed the problems in my article Non religious in Australia and New Zealand. The Australian census form buried the “no religion” option – and may, therefore, have skewed results – see below:

Compare that to the New Zealand census question below:

I asked the obvious question:

“Do Australians opt for a religion in their census answers because they don’t , at first glance, notice the “no religion” option?

Does the Australian census overestimate religiosity?”

Greater minds than mine also asked this question. Rationalist and sceptic groups lobbied the Australian Bureau of Statistics to change the question during the post-2011 census review. They argued it was about accuracy. And they succeeded (see Census change: Is Australia losing its religion?).

“No religion” moves to first

So, for the first time “no religion” will be first on a list of answers to the question “what is the person’s religion”, and the “Catholic” option will move into second place – see below:
New question

It may seem like a subtle change, a psychological victory for the “nones,” but The Sydney Morning Herald argues it “may completely change the way Australia sees itself and have drastic consequences for the way government money is spent on welfare and education.”

“If Christianity did lose its position as the majority religion, this could impact government spending programs such as the school chaplaincy program, according to those advocating for the change.

“Many government services and resources depend on census accuracy, and the figures are used by religious organisations to maintain their status and influence in terms of grants, tax-free services, access to schools for religious instruction, and for their generally privileged position within the community,” president of the Rationalist Society of Australia, Meredith Doig, said this week.”

So it is more than a psychological victory. Surely it is important that allocation of resources to people of different beliefs should not be wroughted by the trickiness of questions like that in the old census form.

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Subverting democratic consultation on the fluoride issue

misinformation

Credit: Making Sense of Fluoirde

Denver Water, which as Colorado’s largest water provider, has been reviewing its water fluoridation policy. It will announce its decision in the next few days but I found its description of the consultation process interesting.

[Update: Denver Water has now voted unanimously to continue community water fluoridation (see Good News – Denver Water Votes to Continue Community Water Fluoridation!). A complete failure for the anti-fluoride campaigners who worked hard to defeat fluoridation in Denver.]

A spokeswoman for the board, Stacey Chesman said Denver Water had received nearly 1,200 comments, from as far away as New Zealand, with 1,078 opposed to fluoridation, and 663 of those submitting their comments on postcards created by We Are Change Colorado. Every public health agency in Denver Water’s service area urged it to continue fluoridating water (See Water systems sink teeth into debate over drinking it).

Pretty impressive, eh? Twelve hundred submissions and about 90% oppose community water fluoridation (CWF). But look again – over 60% of the opposing submissions were on postcards provided by the anti-fluoride propagandist group “We are Change Colorado.”

Manipulating council consultations

That reminds me of the Hamilton City Council’s fluoride considerations two and a half years ago. That Council’s  summary of submissions reported:

“Of the 1,557 submissions received 1,385 (89%) seek Council to stop the practise of adding fluoride to the Hamilton water supply. 170 (10.9%) seek Council to continue the practise of adding fluoride and 2 (0.1%) submitters did not indicate a stance.”

The Hamilton numbers are so similar to those in Denver that one might wonder if the same people or organisations organised many of the submissions. And, I suspect, the Denver number of 90% opposed is just as unrepresentative of the public’s view as the Hamilton 90% – as shown by the subsequent Hamilton referendum where 70% of voters supported CWF! (See When politicians and bureaucrats decide the science).

The postcard tactic used in Denver is also much the same as the New Zealand Fluoride Free organisation providing submission templates  (templates A, B, C, D, were used in Hamilton) and submission guides. And the comment that Denver water received submissions “from as far away as New Zealand” also rings a bell – many of the submissions received by the Hamilton City Council were from as far away as the USA. And, in fact, video links were used to enable oral submissions by anti-fluoride propagandists from the USA!

What we have seen in these two cases – and many others in New Zealand, the USA, Canada and Australia – is a highly efficient organised campaign from “out-of-towners” intent on subverting the consultation process and the democratic rights of local citizens. A process which one might think mature and sensible civil leaders could easily recognise and discount. However, some of these leaders are easily fooled. In Hamilton, the local council gave the high numbers of anti-fluoride submissions they got as one of the main reasons for deciding to stop CWF. This seemed to them more important than the real referenda results!

A fluoride referendum in Thames

In New Zealand, the small town of Thames will hold a referendum on fluoridation of their water supply in November (see Thames fluoride referendum set for 5 November). Campaigning will start soon and no doubt we will see the same circus of whirlwind visits from out-of-towners, propaganda from overseas anti-fluoride propagandists (who promote themselves as “world experts” on the subject), and billboard, newspaper and radio advertising – probably paid for by the “natural”/alternative health industry.

I hope the people of Thames will be rightly suspicious of these “out-of-towners,” and ideologically and commercially motived propagandists, and instead listen to the advice of their own social health and dental experts.

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Religious instruction scrapped from school curriculum in Victoria

Coverting
Religious instruction scrapped from curriculum – what a great headline to see in the newspaper.

Unfortunately, it is just for the Australian state of Victoria. But it could well happen here, considering the opposition to religious instruction in state schools we are seeing in New Zealand.

Victorian schools are scrapping special religious instruction from class time to make way for new content on world histories, cultures, faiths and ethics. The changes to the state’s curriculum raise doubts about the future of the controversial religious instruction program.

The state government said “Extracurricular programs should not interfere with class time when teachers and students should be focused on the core curriculum.”  And curriculum changes mean that classes addressing domestic violence and respectful relationships will also become compulsory for all prep to year 10 students from 2016.

I certainly consider these subjects that are a far more important and necessary use of school time.

The changes mean that he weekly 30 minute religious instruction program will move to lunchtime and before and after school in 2016. Mind you, that opens up the possibility that other religious sects (and, heaven forbid, non-religious ones) may demand equal time for their own presence on school property for lunchtime and before and after school indoctrination opportunities.

These changes are welcomed by teachers – and no doubt by many parents. Lara Wood, a spokeswoman for Fairness in Religions in School, a group that has spent the past four years campaigning against SRI, claimed victory. “We won, we got what we wanted.”

She said religious instruction providers were proselytising in primary schools while students missed out on learning. This has been a common complaint from parents because the chaplaincy organisation involved is well-known for its evangelical orientation and attempts to convert children.

But, predictably, this move is opposed by some religious organisations – including the chaplaincy organisation Access Ministries, the main provider of religious instruction.

In New Zealand, the Secular education network (NZ) is working towards the same ends as the Australian Fairness in Religions in Schools. I hope we can see similar successes here in the near future.

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Anti-fluoride propagandists get creative with statistics

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According to a recently published survey, only 15% of New Zealanders are opposed to community water fluoridation (CWF).

Only 15% – yet anti-fluoride propagandists are using the same survey (or their limited reading of it) to claim that 58% of New Zealanders are opposed to (or do not support) CWF! (See Fluoridation problem for New Zealand, Most NZers do not support fluoridation, study saysFLUORIDATION’S FALLING POPULARITY NO SURPRISE, and Fluoridation’s Falling Popularity No Surprise.) That’s a huge difference. Someone must be using statistics in a creative way – or just outright lying.

The survey results were published in this paper:

Whyman, R. A., Mahoney, E. K., & Børsting, T. (2015). Community water fluoridation: attitudes and opinions from the New Zealand Oral Health Survey. Australian and New Zealand Journal of Public Health.

So anyone can check it out – although I recommend, as always, to read the full text. Often abstracts do not give the full information you want.

This survey reports data for various questions, but Table 2: “Estimates of ‘how in favour of water fluoridation’ (unweighted n, weighted percentage with 95% CI) opinions among adults (>=18 years of age)” is the relevant one here. The graphics below summarise the overall message (vertical bar is the 95% CI):

Whyman-1

Or simplifying further into “for,” “against,” “neutral” and “do not know:”

Whyman-2

So you can see the cherry-picking Mary Byrne from Fluoride Free NZ indulged in for her press release Most NZers do not support fluoridation, study says where she claims:

“This is the finding of a new survey carried out by Hawke’s Bay District Health Board: 58% of people did not support fluoridation even “somewhat”. This shows that people are really clear – New Zealanders do not agree with adding an industrial by-product, classified as hazardous, to our drinking water.”

She, no doubt would be offended by a claim that 85% of people support (or do not oppose) fluoridation – strongly or somewhat. Yet, her cherry picking is just as bad.

The real message from this survey for the anti-fluoride campaigners is that only 15% are opposed to community water fluoridation (CWF) – and then only 10% are strongly opposed.

As for the “creative license” of Mary Byrne and her fellow anti-fluoride propagandists, this message I picked up from a statistician’s cartoon sums it up:

You’ve heard of ‘Lies, Damn Lies, and Statistics.’ Well, apparently, they WERE lying about the statistics.”

The real message from the survey

The authors of this report did concentrate on the figure for those supporting CWF, or more importantly, the large proportion of people who are neutral (20%) or feel they just do not know enough to decide (22%). Interestingly, if these are excluded (as probably happens in referenda where a yes or no answer is required so that the neutral and undecided may not vote) the survey’s data translate into about 74% of the population supporting CWF and 26% opposing it. Not too different to recent referenda results (ranging from 58.1% support in Whakatane to 76.4% support in South Waikato).

However, health authorities are right to be concerned about the relatively large number of neutral and undecided people. The 15% who are opposed to CWF may largely be a “lost cause” because of their ideological stubbornness. But the data does show a need for more information on CWF and oral health in general.  It is likely that a better-informed population on this issue would lead to lower numbers of neutral and “do not know” people – and, very likely, a larger number of those who support CWF.

I have simply mentioned here the overall figures for support of, and opposition to, CWF but the study goes into a lot more detail and identifies sectors of the population requiring better education on the subject. Hopefully, we will see suitable oral health education programmes in future and a reduction in the neutral and “don’t know” numbers.

That can only be a good thing.

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Fluoridation: Connett’s criticism of New Zealand research debunked

Community-Water-Fluoridation-and-Intelligence-Prospective-Study-in-New-Zealand-quote

Paul Connett, Executive Director of the Fluoride Action Network recently made a presentation to Dever Water opposing community Water Fluoridation (CWF). Many of his claims were just wrong – he seriously distorted the science and used this to misinform the board members.

I am posting a series of articles debunking his claims. But Daniel Ryan from Making Sense of Fluoride has also entered the fray with his article Dr Connett distorts the Dunedin IQ fluoride study. I urge readers to check out the article.

Daniel is debunking claims made by Connett about the New Zealand research paper:

Broadbent, J. M., Thomson, W. M., Ramrakha, S., Moffitt, T. E., Zeng, J., Foster Page, L. A., & Poulton, R. (2014). Community Water Fluoridation and Intelligence: Prospective Study in New Zealand. American Journal of Public Health, 105(1), 72–76.

That study is a thorn in Connett’s side because it completely refutes his claims that CWF causes a drop in IQ. It is an excellent paper (as well as being a New Zealand one) – which is another thorn in Connett’s side as he relies on poor quality studies made in areas of endemic fluorosis for his claims.

Daniel goes through Connett’s assertions about the New Zealand study and debunks each of them in turn.

The Broadbent et al. (2014) study investigated a situation where low fluoride concentrations were used. It is the only in-depth study of IQ at these low concentrations. However, I did make a brief investigation of the situation in the USA comparing the average IQ for each state with the percentage fluoridation coverage of the population in each state. I reported that in IQ not influenced by water fluoridation.

The figure below shows the data – and there is no statistically significant correlation of IQ with CWF (the dotted lines show the 95% confidence boundaries)..

Connett debunked once again.

See also:

Connett misrepresents the fluoride and IQ data yet again
Fluoridation: Connett’s naive use of WHO data debunked

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Fluoridation: Connett’s naive use of WHO data debunked

Paul Connett is the Executive Director of the anti-fluoride propagandists group, the Fluoridation Action Network (FAN). His recent presentation to the Denver Water Board’s fluoridation forum was full of scientific misrepresentations and distortions.

I debunked his claims on fluoridation and IQ in the article Connett misrepresents the fluoride and IQ data yet again. Here I debunk his claim that WHO data shows community water fluoridation (CWF) is not effective.

This video clip shows his claim:

1: Is there a difference between fluoridated and unfluoridated countries?

Connett waves around graphs showing declines in tooth decay in  some countries but does nothing to support his claim that there is no input from fluoridation to this improvement in oral health. After all, oral health depends on a number of factors so any serious claim needs adjustment for these factors and a proper quantitative comparison.

The data in these graphs is just not suitable for this – but lets humour people like Connett who place so much faith in the graphs. I took this graph from Connett’s book The Case against Fluoride (Chapter 6, page 38).

Connett-F-cf-NF

It is easy enough to do a ballpark comparison of the average rate of decline of dental decay  for the four nonfluoridated countries and compare that to the average rate for the four fluoridated countries. I did this and found the average decline in dmft (decayed, missing and filled teeth) for non-fluoridated countries was 1.4/decade and for fluoridated countries 1.6/decade. On the face of it the decline in tooth decay was more rapid in the fluoridated countries – the opposite to Connett’s claim.

Of course, Connett would laugh at such a comparison and claim the data is just not good enough to make such comparisons.  And I agree – but isn’t that exactly what he was trying to do?

He was simply waiving around a poor set of data which he thinks supports his claim that CWF is ineffective – it doesn’t. He should know that, and he should be ashamed, as someone with scientific training, to make these claims using such evidence.

The huge influence of inter-country differences on these data, irrespective of fluoridation, surely sticks out like a sore thumb in Connett’s graphs. That doesn’t require a scientific training to see. These differences introduce so much noise into the data that no conclusion is possible about the influence on fluoridation.

Robyn Whyman pointed this out in his report for the National Fluoridation Information Service – Does delayed tooth eruption negate the effect of water fluoridation?:

“Studies that appropriately compare the effectiveness of water fluoridation do not compare poorly controlled inter-country population samples. They generally compare age, sex, and where possible ethnicity matched groups from similar areas. Inter-country comparisons of health status, including oral health status, are notoriously difficult to interpret for cause and effect, because there are so many environmental, social and contextual differences that need to be considered.”

2: Comparison within countries

The WHO data includes New Zealand and Ireland where there are fluoridated and unfluoridated areas. Cornett’s graphs do not differentiate – the just use the averages for these two countries.  Yet, even that sparse WHO data set  shows clear benefits of community water fluoridation on oral health. Consider the differences in tooth decay between fluoridated and unfluoridated areas of  Ireland.

I showed this graph to Connett at the beginning of our debate on fluoridation. throughout the next few months he continued to confuse the issue and I kept coming back to it. Finally, he said in his closing statement, “My apologies. I should have checked back.”

An acknowledgment, of sorts, that his use of the WHO data is wrong in his graphs – but he continues to misrepresent it in this way!

The data in the graphs below shows a similar situation for New Zealand – this time using data from the NZ Ministry of Health (which is much more extensive than the WHO data).dmft

3: CWF still effective when fluoridated toothpaste used.

Paul Connett’s claim that CWF is unnecessary when fluoridated toothpaste is used was based on a naive interpretation of the graphs he was waving around. The data above for Ireland and New Zealand show that, even where the use of fluoridated toothpaste is widespread, there is still a difference in the oral health of children living in fluoridated and unfluoridated areas of a country.

Other research also shows CWF is still effective, even though its effectiveness may, these days, be less than observed in the past when fluoridated toothpaste was not used. But, in contrast to what Connett appears to think, fluoridated toothpaste in not the only factor involved. There is the general improvement in dental health treatments and diet in recent years. Rugg-Gunn & Do (2012)  also refer to the “halo” effect – a diffusion of beneficial fluoride from fluoridated area into unfluoridated areas via food and beverages and consumption of water away from the place of residence.

The recent data can also be influenced by differences in residence and place of dental treatment. For example, dental treatment and record taking may occur at a school or dental clinic in a non-fluoridated area but the child may live in a fluoridated area. This effect could explain the apparent reduction of differences for New Zealand children from fluoridated and non-fluoridated areas after 2006 in the above graph. In 2004 a “hub and spoke” dental clinics system was introduced where one school dental clinic could serve several areas – both fluoridated and non-fluoridated.

 

Conclusion

Paul Connett’s use of the graphs showing improvement in oral health in countries independent of fluoridation, is on the surface, naive because no conclusion about the effectiveness of CWF can be drawn from this sparse data involving comparison between countries with so many political, social and environmental differences. Connett is presumably aware of this, and of the fact the same WHO data shows a beneficial effect for Ireland and New Zealand.

This is another case of Connett using a scientific academic title (his PhD), to give “authority” to his misrepresentation and distortion of the science to local body politicians.

References

Connett, P., Beck, J., & Micklem, H. S. (2010). The Case against Fluoride: How Hazardous Waste Ended Up in Our Drinking Water and the Bad Science and Powerful Politics That Keep It There.

Ministry of Health (2014) Age 5 and Year 8 oral health data from the Community Oral Health Service.

National Fluoridation Information Service (2011): Does Delayed Tooth Eruption Negate The Effect of Water Fluoridation? National Fluoridation Information Service Advisory June 2011, Wellington, New Zealand.

Rugg-Gunn, A. J., & Do, L. (2012). Effectiveness of water fluoridation in caries prevention. Community Dentistry and Oral Epidemiology, 40, 55–64.

Time to give up on Sitemeter

bz-panel-05-26-11MODERN

Bizarro Cartoon 5-26-2011  from Some visitors unknowingly redirected to ads! (Finding vindicosuite.com on outclicks).

This cartoon from Lola Jane’s World will resonate with many bloggers – especially those who using Sitemeter to collect their visitor stats.

New Zealand bloggers who take part in the monthly NZ Blog ranking will know what I mean. In recent months, many bloggers using Sitemeter have not had any visitor stats available and it has been impossible to include them in the blog ranking list.

I think the time has come for these bloggers to give up on Sitemeter, delete the code and install a stats counter that does work. In the Blog ranking FAQs I list alternative counters that are easy to install and manage:

StatCounter is the most popular and works very well at the moment. In the FAQs I give a little advice on how to install it.

Are bloggers leaving Sitemeter

Definitely – it’s not just local bloggers disappointed with the problems. Internationally bloggers have opted out – see for example Goodbye SitemeterGoodbye SitemeterWell, so Much for SitemeterSo is SiteMeter dead? and The End of the SiteMeter Era. And there are many more posts like this around.

Redirections problems

I hadn’t picked this up myself, but the problems seem to be more basic than the erratic return of the blog stats. A very common complaint is that the installed Sitemeter code causes visitors to a blog to be redirected elsewhere. See, for example, Apologies to All – Sitemeter Forced Redirect Problem Now Fixed (“fixed” by removing Sitemeter), Site Meter Rewriting Links on WordPress Sites and Blogger.com bloggers: check your template for Sitemeter redirect problem.

According to What do I Know? (see Sitemeter Out Of Control – UPDATED Again: July 9):

“Then at some point Sitemeter apparently was bought by MySpace.  Since then things have gone downhill.  Reports about MySpace selling information about  Sitemeter users would come up.  Sitemeter stopped answering any of my help requests or comments.”

That seems a very convincing reason for bloggers to remove the Sitemeter code from their blog – and, hopefully, install one of the alternatives.

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July ’15 – NZ blogs sitemeter ranking

Why blog screen from PowerPoint

Image credit: Rachel Knowles – Successful blogging workshop


Big problems with Sitemeter

The problems with SiteMeter are still bad  this month. No data could be obtained for about 50 blogs using SiteMeter. People have also reported strange results. So if you wish to query the information in the table I suggest you check out the data in the SiteMeter pages.

I think some bloggers have removed their Sitemeters. I will go through and delete blogs that don’t’ show any remaining links to Sitemeter.

If you are using SiteMeter, and especially if you find you page isn’t included this month, I suggest you consider transferring to a more reliable counter like StatCounter. Have a look at the NZ Blog Rankings FAQs if you need help with this.


There are now over 300 blogs on the list, although I am weeding out those which are no longer active or have removed public access to sitemeters. (Let me know if I weed out yours by mistake, or get your stats wrong).

Every month I get queries from people wanting their own blog included. I encourage and am happy to respond to queries but have prepared a list of frequently asked questions (FAQs) people can check out. Have a look at NZ Blog Rankings FAQ. This is particularly helpful to those wondering how to set up sitemeters. Please note, the system is automatic and relies on blogs having sitemeters which allow public access to the stats.

Here are the rankings of New Zealand blogs with publicly available statistics for July 2015. Ranking is by visit numbers. I have listed the blogs in the table below, together with monthly visits and page view numbers. Meanwhile I am still keen to hear of any other blogs with publicly available sitemeter or visitor stats that I have missed. Contact me if you know of any or wish help adding publicly available stats to your bog.

You can see data for previous months at Blog Ranks

Subscribe to NZ Blog Rankings Subscribe to NZ blog rankings by Email Find out how to get Subscription & email updates Continue reading

Fluoridation: “Sciencey” sounding claims ruled unacceptable

chesterfield-cigarettes-science-advert

Today, “scientific” claims of advertisers and anti-fluoride propagandists can be just as misleading

Again and again I find myself getting really annoyed at the way science is used opportunistically in advertising. We are continually bombarded with claims that the effectiveness of a product is “scientifically proven.” Or that “scientists tell us” something which supports a product. Then there are those ads where actors dress up in white lab coats and wander around a fictional, but photogenic, laboratory while giving us a fairy tale explanation of the mechanism which makes their product so effective. And this misrepresentation is widespread – involving products from cosmetics and toothpaste to fertilisers.

This advertising exploits the credibility of science and scientists as trustworthy experts. Hence the use of white lab coats and sciencey sounding terminology. Even the citation of scientific literature, studies, and trials – with the full knowledge that the target audience has no way of checking these citations.

Many countries have bodies regulating what advertisers can and can’t claim. In New Zealand we have the Advertising Standards Authority(ASA). Our ASA welcomes complaints about advertising and its rulings can lead to adverts being removed. The complaint procedure is being used by members of the public. In 2014 the ASA received 871 complaints about 672 adverts – up 10% and 12% respectively from 2013.

The Society for Science Based Healthcare publicises the complaint procedure and has made many complaints itself on products like homoeopathic treatments and magnetic mattress underlays. One of their members, Mark Honeychurch, created a tool for accessing information from the ASA complaint database which provides useful information.

It turns out that one of the most complained about organisations is Fluoride Free NZ (FFNZ) – a group campaigning against community water fluoridation. It ranks 13th in  the  organisations having the most successful complaints made against them.

Bottom-organisations-FFNZ-full-screen

The data also shows that a relatively high proportion of those complaints against FFNZ have been successful. That tells me that the complainants have been able to present good arguments to support their complaints.

Anti-fluoride campaigners are well known to claim scientific support for their case. But analysis of their claims shows them to be based on misrepresentations and distortion of the science. They are a classic example of advertisers who opportunistically, but dishonestly, use science to promote their products.

I think the misrepresentation and distortion of science are widespread in advertising and the propaganda from activist groups like FFNZ. At times, the problem seems so immense it seems impossible to counter it. So it is great to see groups like The Society for Science Based Healthcare, and the many people making similar complaints, having this sort of success.

On the other hand, perhaps consumers are developing a healthy scepticism about advertising claims. That is also a good thing, as long as that scepticism doesn’t lead to denigration of the authority of science as the best way of understanding the world and testing claims.

That would be throwing out the baby with the bath water.

See alsoFluoride Free NZ ranks 13th worst NZ organisation by ASA complaints

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