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The data were collected between 1999 and 2013 as part of the Netherlands Twin Register (NTR)'s annual teacher survey. The data collection for the teacher surveys is ongoing and...
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The data were collected between 1999 and 2013 as part of the Netherlands Twin Register (NTR)'s annual teacher survey. The data collection for the teacher surveys is ongoing and...
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The data were collected between 1999 and 2013 as part of the Netherlands Twin Register (NTR)'s annual teacher survey. The data collection for the teacher surveys is ongoing and...
