90 research outputs found
Educational effects of early or later secondary school tracking in Germany
This paper examines educational outcomes of pupils selected to secondary school types by different tracking regimes in a German state: Pupils are alternatively streamed after fourth grade or after sixth grade. Regression results indicate that, estimated on the mean, there are no negative effects of later tracking on educational outcomes in the middle of secondary school. Positive effects are observed for pupils with a less favorable family background. Quantile regressions reveal that the estimated effects of later tracking are positive for the lower quantiles but decrease monotonically over the conditional distribution of test scores
Thermogravimetric study of the pyrolysis characteristics and kinetics of coal blends with corn and sugarcane residues
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Comparison of three expression systems for heterologous xylanase production by <I>S. cerevisiae </I>in defined medium
IngenieursweseProsesingenieurswesePlease help us populate SUNScholar with the post print version of this article. It can be e-mailed to: [email protected]
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