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Abstract
The experiment investigates the effects of using glass beakers and measuring cylinders, on the one hand, and plastic coffee cups and bottle tops, on the other, on the accuracy of primary school children in performing a simple titration exercise. At the beginning of a course of four lessons which gave practice in the task, there was no significant difference between the accuracy obtained using the two types of apparatus. However, after the course, the performance of those children using the scientific apparatus had improved significantly, whereas that of children using the household equipment had not.