It’s not the Heat, it’s the Stupidity

Australian is going to the polls today, with that smirkingright wing clown attempting to be elected Prime Minister. And of course we’ll all be cheering for him to beat Scott Morrison. 

The fact that the ignorant, science denying, happy clapping, coal-hugging thug pictured above even has a shot at winning indicates the appalling low level of political discourse. We shouldn’t be surprised, of course, but for some reason we are.

Back in 2014, the Maths Masters wrote a column on then Prime Minster Tony Abbott’s climate denialism, entitled How to be Liberal with the Truth. Our editor rejected the column as a “diatribe”, which was fair enough, and we took the rejection in our stride. Nonetheless, our editor passed the diatribe to the Age‘s op-ed desk which published the column as Tony Abbott is a liar: It’s a mathematical truth. Our diatribe was a hit.

The diatribe ended with a prediction:

But what of Tony? Will he be remembered as a liar? Probably, but probably he’ll be remembered for much more. Eventually, and more likely sooner rather than later, global warming will be undeniable. Truly undeniable.Which means Abbott should go down in history as the Australian Prime Minister, the last Australian Prime Minister, to deny physical reality.

We were wrong then. But, maybe now Australia will finally be done with anti-science idiots.

Update

Geez, Australians are dumb. And Queenslanders are dumber.

AMSI’s Brain Teaser

Last week, AMSI released yet another paper on the issue of school mathematics being taught by “out of discipline” teachers. It will come as no surprise to readers of this blog that we have many issues with AMSI’s paper. Here, we’ll focus on just one aspect.

The Sydney Morning Herald’s report on AMSI’s paper begins:

Fewer than one in four Australian high school students have a qualified maths teacher …

That statement is, of course, utter nonsense. By any reasonable definition, a much higher percentage of secondary students are taught by formally “qualified” teachers. It is concerning that an “education reporter” would lead with such an implausible claim, but SMH was not alone. The news.com.au report was titled:

Only 1 in 4 high-schoolers are being taught maths by qualified teachers

The Australian’s barely comprehensible sentence, courtesy of another education reporter, appeared to suggest that matters are even worse:

Fewer than one in four students are taught by a qualified maths teacher — one with at least a university minor in the subject — at some stage between Years 7 to 10.

So, what is the source of all these inflated declarations of educational doom? It would appear to be on page 2 of AMSI’s paper. In the first of the paper’s eye-catching Key Points, the authors write:

The extent of the problem [with the supply of qualified teachers] is illustrated by the estimated amount of out‐of‐field teaching occurring with less than one in four students having a qualified mathematics teacher in each of Years 7 to 10.

That reminds us: we must buy AMSI a box of commas for Christmas.

The above sentence, which turned out to be the grabber of AMSI’s paper, is like an optical illusion: you think you’ve got the meaning, and then it slips around to mean something entirely different. It is no wonder if reporters misinterpreted.

What did the AMSI authors intend to convey, and on what basis? It is difficult to tell. A linked endnote in AMSI’s paper refers to a 2017 AMSI publication. The page reference to this second document is clearly incorrect, but it appears that the intention is to refer to page 4, which has its own list of key points, including:

At least 26% of Years 7–10 maths teachers are not fully qualified.

This is an admirably clear statement and, if true, one may (or may not) regard it as a relatively major problem. The statement, however, is not remotely supportive of the educational catastrophe that AMSI’s garbled 2019 statement led gullible reporters to declare.

Also puzzling, it is not clear how AMSI’s 2017 statement, or any other AMSI declaration that we could find, leads reasonably to any natural interpretation of AMSI’s 2019 statement. This is the case even if one ignores that “not fully qualified” does not clearly equate to “not qualified”, and that 26% of teachers does not equate to 26% of classes, nor to 26% of students. Even with the most liberal assumptions and generous interpretations, we still cannot determine the basis, any basis, for the 2019 statement. The reader is invited to give it a go.

There are plenty more serious issues with AMSI’s paper which, though raising some very important issues and suggestions, also connects some distant and very disputable dots. It probably doesn’t matter, however. We worked hard to read AMSI’s clumsily written paper. It seems unlikely that many others will do likewise.

AMSI to the Rescue

The Australian Mathematical Sciences Institute has just released its Report on Australian Year 12 students’ participation in mathematics from 2008 to 2017. The Report indicates, of course, that the percentage of girls doing a “higher level” maths subject is lower than the percentage of boys. (One headline trumpets that “Less girls are studying maths than boys”, proving only that fewer journalists are studying grammar.) More generally, the overall participation in higher level maths is reportedly the lowest for 20 years.

Gee.

Who would have thought that a boring and aimless curriculum, and lousy texts, and the crappy training of teachers by clowns who have in turn had crappy training, and the belittling of Mathematics by the S and the T and the E of STEM, and the faddish genuflection to technical gods, and decades of just plain dumbing down would have pissed off so many students?

AMSI’s Report of the bleeding obvious doesn’t consider the causes of the decline in participation. Fair enough. The Report is seriously flawed, however, in failing to note that the meaning of “higher level mathematics” is not a constant. The “higher level mathematics” of 2017 is significantly lower than that of 1997, which is lower again than that of 1977. The problem is much, much worse than AMSI’s Report suggests.

AMSI is not just reporting on the decline in participation, they are supposedly working to fix it. AMSI’s new director, Tim Brown, has been out and about, discussing the Report. Professor Brown is reported as saying that the reasons for the decline are “varied”, but of these varied reasons, he appears to have indicated just two to the media; first, “a shortage in qualified maths teachers”; second, “teaching from the textbook” rather than “active learning”.

Really? With all those plump targets, AMSI chooses these two? Yes, the lack of qualified teachers is a problem, and a problem AMSI apparently enjoys talking about. And yes, the current textbooks are appalling. But such low-fruit targets are not the substantive problem, and false fixes of second order issues will do little or nothing to improve matters. The real issue is one of systemic cultural decline.

We believe Professor Brown knows this. The question is, will Professor Brown drag AMSI, finally, into waging the genuine, important fights that need to be fought?

NAPLAN’s Latest Last Legs

The news is that NAPLAN is on its way out. An article from SMH Education Editor Jordan Baker quotes Boston College’s Andy Hargreaves claiming tests such as NAPLAN are on their “last legs”. This has the ring of truth, since Professor Hargreaves is … who knows? We’re not told anything about who Hargreaves is, or why we should bother listening to him.

Perhaps Professor Hargreaves is correct, but we have reason to doubt it. And, Jordan Baker has been administering NAPLAN’s last rites for a while now. Last year, Baker wrote another article, on NAPLAN’s “death knell”.

Regular readers of this blog would be aware that this writer would love nothing more than to see ACARA sink into the sea, taking its idiotic tests and clueless curriculum with it. But it’s important to understand why, and why the argument for getting rid of NAPLAN is no gimme. It is here that we disagree with Hargreaves and (we suspect) Baker.

Baker quotes Hargreaves on national testing such as NAPLAN and its “unintended impact of students’ well-being and learning”:

[They include] students’ anxiety, teaching for the test, narrowing of the curriculum and teachers avoiding innovation in the years when the tests were conducted.

Let’s consider Hargreaves’ points in reverse order.

  • Innovation. Yes, a focus on NAPLAN would discourage innovation. Which would be a bad thing if the innovation wasn’t poisonous, techno-fetishistic nonsense. Hargreaves, someone, has to give a convincing argument that current educational innovation is generally positive. We’ll wait. We won’t hold our breath.    
  • Narrowing of the curriculum? We can only wish. The Australian Curriculum is a blivit, a bloated mass of pointlessness.
  • Teaching to the test is of course a bad thing. Except if it isn’t. If you have a good test then teaching to the test is a great thing.
  • Finally, we have to deal with students’ anxiety, a concern for which has turned into an academic industry. All those poor little petals having their egos bruised. Heaven forbid that we require students to struggle with the hard business of learning.

There is plenty to worry about with any national testing scheme: the age of the students, the frequency of the tests, the reporting and use of test results, and the ability to have an informed public discussion of all of this. But all of this is secondary.

The problem with the NAPLAN tests isn’t their “unintended consequences”. The problem with the NAPLAN tests is the tests. They’re shithouse.

 

VTACKY

It’s been a long, long time. Alas, we’ve been kept way too busy by the Evil Mathologer, as well as some edu-idiots, who shall remain nameless but not unknown. Anyway, with luck normal transmission has now resumed. There’s a big, big backlog of mathematical crap to get through.

To begin, there’s a shocking news story that has just appeared, about schools posting “wrong Year 12 test scores” and being ordered to remove them by the Victorian Tertiary Admissions Centre. Naughty, naughty schools!

Perhaps.

The report tells of how two Victorian private schools had conflated Victoria’s VCE subject scores and International Baccalaureate subject scores. The schools had equated the locally lesser known IB scores of 6 or 7 to the more familiar VCE ATAR of 40+, to then arrive at a combined percentage of such scores. Reportedly, this raised the percentage of “40+” student scores at the one school from around 10% for VCE alone to around 25% for combined VCE-IB, with a comparable raise for the other school. More generally, it was reported that about a third of IB students score a 6 or 7, whereas only about one in eleven VCE scores are 40+.

On the face of it, it seems likely that the local IB organisation that had suggested Victorian schools use the 6+ = 40+ equation got it wrong. That organisation is supposedly reviewing the comparison and the two schools have removed the combined percentages from their websites.

There are, however, a few pertinent observations to be made:

None of the sense or substance of the above is hinted at in the schools-bad/VTAC-good news report.

Of course the underlying issue is tricky. Though the IBO tries very hard to compare IB scores, it is obviously very difficult to compare IB apples to VCE oranges. We have no idea whether or how one could create a fair and useful comparison. We do know, however, that accepting VTAC’s cocky sanctimony as the last word on this subject, or any subject, would be foolish.

Eddie Versus the Forces of Woo

No one appears to have a bad word for Eddie Woo. And no, we’re not looking to thump Eddie here; the mathematics videos on Eddie’s WooTube channel are engaging and clear and correct, and his being honoured as Local Australian of the Year and as a Top Ten Teacher is really cool. We do, however, want to comment on Eddie’s celebrity status and what it means.

What do Eddie’s videos exhibit? Simply, Eddie is shown teaching. He is explaining mathematics on a plain old whiteboard, with no gizmos, no techno demos, no classroom flipping, rarely a calculator, none of the familiar crap. There’s nothing at all, except a class of engaged students learning from a knowledgeable and engaging teacher.

Eddie’s classroom is not the slightest bit revolutionary. Indeed, it’s best described as reactionary. Eddie is simply doing what good maths teachers do, and what the majority of maths teachers used to do before they were avalanched with woo, with garbage theories and technological snake oil.

Sure, Eddie tapes his lessons, but Eddie’s charmingly clunky videos are not in any way “changing the face of mathematics teaching“. Eddie’s videos are not examples of teaching, they are evidence of teaching. For actual instruction there are many better videos out there. More importantly, no video will ever compare to having a real-live Eddie to teach you.

There are many real-live Eddies out there, many teachers who know their maths and who are teaching it. And, there would be many, many more real-live Eddies if trainee teachers spent more time learning mathematics properly and much less time in the clutches of  Australia’s maths ed professors. That’s the real message of Eddie’s videos.

Chicken Shit

The ACCC has released guidance on the meaning of “free range eggs”, to come into force in April. There are a number of conditions for hens to be designated free range, but the clear mathematical requirement is that the chickens be subject to “a stocking density of 10,000 hens or less [sic] per hectare.” This compares to the maximum of 1500 hens per hectare recommended by the CSIRO. And by Choice. And by the Humane Society International. And by the RSPCA. And by pretty much everyone except Coles and other industry thugs.

The ACCC is just the messenger here, their guidance mirroring the Australian Consumer Law (Free Range Egg Labelling) Information Standard 2017, passed last April. The legislation was introduced by the Minister for Small Business, Michael McCormack. It was McCormack who took credit for the definition of stocking density:

 … my decision takes into consideration the views of consumers, advocacy groups and industry, and provides a sensible balance with a focus on informing consumers – so they can make the choice that’s right for their needs.

The reader can assess whether McCormack’s “consideration” has resulted in anything remotely resembling “sensible balance”, or in the ability of consumers to make an informed choice. Or, rather, whether Minister McCormack is simply another National Party asshole.

Downwardly Mobile

In response to France’s move to ban mobile phones from schools, now other countries are considering the same.

Well, sort of. Since 2010, France has already banned mobile phones from classrooms; what is controversial is the French proposal to ban mobiles from schools entirely. So, countries like England and Australia are only actively considering what France has accepted without question for years.

Of course, following the consideration to do the blindingly obvious, there is the backlash from the professionals. The ABC quotes NSW Secondary Principals’ Council president Chris Presland as saying

We talk about trying to stimulate STEM education in our schools … it seems quite bizarre that we’re talking about banning the most obvious forms of technology at our disposal. 

Dr Joanne Orlando, an “expert on children and technology” at UWS is also against any such ban. Responding to government comments, Dr. Orlando responds that

 it takes us a few years back from all the work we are doing in education and training … There are so many new ways that mobile devices can add to the classroom.

Thank God for experts.

The Oxford is Slow

Last year, Oxford University extended the length its mathematics exams from 90 to 105 minutes. Why? So that female students would perform better, relative to male students. According to the University, the problem with shorter exams is that “female candidates might be more likely to be adversely affected by time pressure”.

Hmm.

There’s good reason to be unhappy with the low percentage of female mathematics students, particularly at advanced levels. So, Oxford’s decision is in response to a genuine issue and is undoubtedly well-intentioned. Their decision, however also appears to be dumb, and it smells of dishonesty.

There are many suggestions as to why women are underrepresented in mathematics, and there’s plenty of room for thoughtful disagreement. (Of course there is also no shortage of pseudoscientific clowns and feminist nitwits.) Unfortunately, Oxford’s decision appears to be more in the nature of statistical manipulation than meaningful change.

Without more information, and the University has not been particularly forthcoming, it is difficult to know the effects of this decision. Reportedly, the percentage of female first class mathematics degrees awarded by Oxford increased from 21% in 2016 to 39% last year, while male firsts increased marginally to 47%. Oxford is presumably pleased, but without detailed information about score distributions and grade cut-offs it is impossible to understand what is underlying those percentages. Even if otherwise justified, however, Oxford’s decision constitutes deliberate grade inflation, and correspondingly its first class degree has been devalued.

The reported defences of Oxford’s decision tend only to undermine the decision. It seems that when the change was instituted last (Northern) summer, Oxford provided no rationale to the public. It was only last month, after The Times gained access to University documents under FOI, that the true reasons became known publicly. It’s a great way to sell a policy, of course, to be legally hounded into exposing your reasons.

Sarah Hart, a mathematician at the University of London, is quoted by The Times in support of longer exams: “Male students were quicker to answer questions, she said, but were more likely to get the answer wrong”. And, um, so we conclude what, exactly?

John Banzhaf, a prominent public interest lawyer, is reported as doubting Oxford’s decision could be regarded as “sexist”, since the extension of time was identical for male and female candidates. This is hilariously legalistic from such a politically wise fellow (who has some genuine mathematical nous).

The world is full of policies consciously designed to hurt one group or help another, and many of these policies are poorly camouflaged by fatuous “treating all people equally” nonsense. Any such policy can be good or bad, and well-intentioned or otherwise, but such crude attempts at camouflage are never honest or smart. The stated purpose of Oxford’s policy is to disproportionally assist female candidates; there are arguments for Oxford’s decision and one need not agree with the pejorative connotations of the word, but the policy is blatantly sexist.

Finally, there is the fundamental question of whether extending the exams makes them better exams. There is no way that someone unfamiliar with the exams and the students can know for sure, but there’s reasons to be sceptical. It is in the nature of most exams that there is time pressure. That’s not perfect, and there are very good arguments for other forms of assessment in mathematics. But all assessment forms are artificial and/or problematic in some significant way. And an exam is an exam. Presumably the maths exams were previously 90 minutes for some reason, and in the public debate no one has provided any proper consideration or critique of any such reasons.

The Times quotes Oxford’s internal document in support of the policy: “It is thought that this [change in exam length] might mitigate the . . . gender gap that has arisen in recent years, and in any case the exam should be a demonstration of mathematical understanding and not a time trial.” 

This quote pretty much settles the question. No one has ever followed “and in any case” with a sincere argument.