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Most studies find little to no effect of classroom computers on student achievement. We suggest that this null effect may combine positive effects of computer uses without equivalently effective alternative traditional teaching practices and negative effects of uses that substitute more...
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past 60 years, there have been many important developments in the RTA literature, both in terms of better methods to … quantify their effects, and also in terms of more and higher quality data. The objective of this paper is to trace the … evolution of the methods and data developments in the RTA literature, from Tinbergen's very first exploration until today, and …
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