The present paper gives an overview of research on heterogeneity and diversity in German chemistry classes. The terms “heterogeneity” and “diversity” are first explained before discussing specific studies. The different facets of heterogeneity and diversity are asserted. Finally, the focus will be placed on language and special needs since both of these dimensions are frequently discussed in the German context. A comparison between international and national research are given. The implications and suggestions not only for national but also for international science research are presented.
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