Andreas Schleicher
speaker
38 appearances
2 recordings
1 series
first heard Apr 2011
last heard Dec 2013
Andreas Schleicher’s voice in public audio — every appearance, attributed to the second.
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Appearances
The UK is falling behind global rivals in international tests taken by 15-year-olds.
US test scores remain stagnant, while other countries see rapid rise.
I'm not saying that you cannot possibly find a task in which Denmark does significantly better than England and another task in which Denmark does worse than England.
The question is, will your test as a whole, the
appropriately compare British and Danish performance?
And that is the question that we have demonstrated in every possible way.
The model is always an approximation of reality.
Any scaling model is an approximation of the reality that you observe.
The question is not, does the model exactly fit the reality?
The question is, does the model fit the reality such that there is no distortion of the results?
Well, I can't comment on that.
All we do is we publish comparative results and provide a mirror in which countries can see how they fare with respect to what the best performing systems show can be achieved.
We have very strict criteria when, for example, a country doesn't meet very high standards of response rates or the quality of the survey samples isn't appropriate or there are some other technical deficiencies, then we won't include the data for that year for that country.
It happened to the UK, for example, in 2003.
The data were not meeting the high quality standards of the OECD, so we chose not to publish them.
Yeah.
It's unfortunate because, of course, there's been a lot of effort invested in collecting those data, but we need to ensure that those data are comparable across countries.
Basically, when in doubt, we don't use the data.
Well, yes, the OECD does not compare performance for the UK across the years.
Many researchers do so, and basically, you know, this is a matter of judgment.
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