Figure 9. The students’ scores on questions assessing their knowledge of the different analytical methods employed in the project. Identical questions were administered before (green) and after the laboratory session (blue). They are available in the Supporting Information under pre-laboratory questions 3–6 (S-3) and post-laboratory questions 11–14 (S-4). Above each pair of histograms (pre- and post-laboratory scores), the corresponding p-values from the sign tests are reported

From

A Complete Structure Investigation of an Organic Molecule for Chemistry Students; An Analysis of Aspartame

Marit Kristin Leiren, Kari Grete Nordli Børve, Rhiannon Tveiten Lewis, Signe Steinkopf

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