Posts Tagged ‘ practice ’

The Myth of Random Sampling

January 19, 2014
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The Myth of Random Sampling

I feel a slight quiver of trepidation as I begin this post – a little like the boy who pointed out that the emperor has  no clothes. Random sampling is a myth. Practical researchers know this and deal with it. … Continue reading →

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The Myth of Random Sampling

January 19, 2014
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The Myth of Random Sampling

I feel a slight quiver of trepidation as I begin this post – a little like the boy who pointed out that the emperor has  no clothes. Random sampling is a myth. Practical researchers know this and deal with it. … Continue reading →

Read more »

On-line learning and teaching resources

September 22, 2013
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On-line learning and teaching resources

Twenty-first century Junior Woodchuck Guidebook I grew up reading Donald Duck comics. I love the Junior Woodchucks, and their Junior Woodchuck Guidebook. The Guidebook is a small paperback book, containing information on every conceivable subject, including geography, mythology, history, literature … Continue reading →

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Teaching with School League tables

August 11, 2013
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Teaching with School League tables

NCEA League tables in the newspaper My husband ran for cover this morning when he saw high school NCEA (National Certificates of Educational Achievement)  league tables in the Press. However, rather than rave at him yet again, I will grasp … Continue reading →

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Parts and whole

August 4, 2013
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Parts and whole

The whole may be greater than the sum of the parts, but the whole still needs those parts. A reflective teacher will think carefully about when to concentrate on the whole, and when on the parts. Golf If you were … Continue reading →

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Oh Ordinal data, what do we do with you?

July 7, 2013
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Oh Ordinal data, what do we do with you?

What can you do with ordinal data? Or more to the point, what shouldn’t you do with ordinal data? First of all, let’s look at what ordinal data is. It is usual in statistics and other sciences to classify types … Continue reading →

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Difficult concepts in statistics

June 23, 2013
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Difficult concepts in statistics

Recently someone asked: “I don’t suppose you’d like to blog a little on the pedagogical knowledge relevant to statistics teaching, would you? A ‘top five statistics student misconceptions (and what to do about them)’ would be kind of a nice … Continue reading →

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The flipped classroom

June 9, 2013
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The flipped classroom

Back in the mid1980s I was a trainee teacher at a high school in Rotorua. My associate teacher commented that she didn’t like to give homework much of the time as the students tended to practise things wrong, thus entrenching … Continue reading →

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Less is more

March 24, 2013
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Less is more

“Less is More” is a bit of a funny title for a mathematical blog! Garlic bread and Ice Cream Sundaes Back in the seventies, garlic bread became very popular in our household. I loved its buttery, salty, garlicky goodness, and … Continue reading →

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Statistical muscle memory

October 1, 2012
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Statistical muscle memory

I am forever grateful to the teachers at my convent high school. In my first year I was required to take thirteen different subjects, one of which was typing. At the time computers were still objects mainly occurring in science … Continue reading →

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