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Performance pay works just fine in every other profession

Teaching is one of the few professions that are treated like a trade. In few other professions does a union collectively bargain for pay and tie that to the number of years of experience. The rest of the professional world is paid by merit. The best programmers are paid the higher salaries (or get to work for cool companies). They’re rewarded for being good at what they do.

But the teaching profession doesn’t do this. Instead a graduate teacher’s salary is looked up on a negotiated union agreement and they’re paid whatever it says. OK, so they’re a graduate, who knows if they’re really any good at actual classroom teaching? But ludicrously, even after teaching for five, 10 or 20 years, salary is still paid according to tables.

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Five recent favourite TED videos

TED is a profound, horizon expanding experience — and I’ve only ever watched the videos. One day I’d love to go to the event. Here’s five of my most recent favorites. There’s no common theme, and there’s no single reason why I liked them. Some of them moved me, others encouraged me or educated me

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FairTrade: Must work both ways

For a trade to be fair, it has to be fair in both directions. The source producers need to be paid a fair price for the product the produce, but I too need to pay a fair price for the item I’m purchasing.

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Pythagoras: It’s not just a theory

It’s called Pythagoras Theory because it’s only a theory. Every triangle that it’s ever been tested on works, so there’s no reason to doubt that it will continue to work on every triangle we ever find. But until there’s a way to prove it, it will always be called a theory. If it’s ever proven, it will be called Pythagoras Rule.

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Responsible policy on Bank Interest Rates

What we must question is that banks are effectively raising the price of a service after it’s been purchased. In no other industry is this legal and it must not be allowed to continue to be legal in the credit industry.

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Environmentalists have it wrong — the economies of scale and inventing the future

There’s a push on to ‘return’ to the idylic times where a man would work the farm chatting to his cows while his lovely wife baked a loaf of bread (probably with a dab of flour on her nose) while a pail of milk (direct from the aforementioned cows) stands on the bench beside her.

There’s a push on to do-it-yourself. To be handy around the garden and home. To plant one’s own vegetables and to bake one’s own bread.

But is that really good for the environment? I doubt it

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Lotteries: Mathmatically speaking, they’re not really a tax on the stupid

Note: There are a lot of numbers in this post, so I’ve rounded a lot of them off, and included some footnotes. If you don’t like numbers, then consider yourself warned. It’s been said* that “Lotteries are a tax on the stupid”. The premise being that anyone who spends money on a lottery ticket is

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More provocative images …

[There is] no evidence that [if] eating beef is the community standard [it] will persuade a vegetarian to approve of it.

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Socially acceptable bullying?

OK, let’s start by getting one thing out of the way: I’m watching Big Brother again this year. I didn’t watch it last year and only glanced at it the year before. Each year it got more and more tawdry in the hope for ratings gold in catching two twenty-somethings in a drunken tryst. But

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Warning: Provocative Images may offend some viewers

Here in Australia there is an enormous brouhaha surrounding the photography of renowned photographer Bill Henson (left). If you’ve missed it, the controversy surrounds his use of nude child (teen) models in his photography (below). I’ve been meaning to write a blog post entitled “What is art: I’m right, you’re wrong.” But it’s a difficult

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