Revision workshops in elementary mathematics enhance student performance in routine laboratory calculations

The ability to understand and implement calculations required for molarity and dilution computations that are routinely undertaken in the laboratory are essential skills that should be possessed by all students entering an undergraduate Life Sciences degree. However, it is increasingly recognized th...

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Main Authors: Sawbridge, Jenny L., Qureshi, Haseeb K., Boyd, Matthew J., Brown, Angus M.
Format: Article
Published: American Physiological Society 2014
Subjects:
Online Access:https://eprints.nottingham.ac.uk/35409/
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author Sawbridge, Jenny L.
Qureshi, Haseeb K.
Boyd, Matthew J.
Brown, Angus M.
author_facet Sawbridge, Jenny L.
Qureshi, Haseeb K.
Boyd, Matthew J.
Brown, Angus M.
author_sort Sawbridge, Jenny L.
building Nottingham Research Data Repository
collection Online Access
description The ability to understand and implement calculations required for molarity and dilution computations that are routinely undertaken in the laboratory are essential skills that should be possessed by all students entering an undergraduate Life Sciences degree. However, it is increasingly recognized that the majority of these students are ill equipped to reliably carry out such calculations. There are several factors that conspire against students' understanding of this topic, with the alien concept of the mole in relation to the mass of compounds and the engineering notation required when expressing the relatively small quantities typically involved being two key examples. In this report, we highlight teaching methods delivered via revision workshops to undergraduate Life Sciences students at the University of Nottingham. Workshops were designed to 1) expose student deficiencies in basic numeracy skills and remedy these deficiencies, 2) introduce molarity and dilution calculations and illustrate their workings in a step-by-step manner, and 3) allow students to appreciate the magnitude of numbers. Preworkshop to postworkshop comparisons demonstrated a considerable improvement in students' performance, which attenuated with time. The findings of our study suggest that an ability to carry out laboratory calculations cannot be assumed in students entering Life Sciences degrees in the United Kingdom but that explicit instruction in the form of workshops improves proficiency to a level of competence that allows students to prosper in the laboratory environment.
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spelling nottingham-354092020-05-04T16:51:44Z https://eprints.nottingham.ac.uk/35409/ Revision workshops in elementary mathematics enhance student performance in routine laboratory calculations Sawbridge, Jenny L. Qureshi, Haseeb K. Boyd, Matthew J. Brown, Angus M. The ability to understand and implement calculations required for molarity and dilution computations that are routinely undertaken in the laboratory are essential skills that should be possessed by all students entering an undergraduate Life Sciences degree. However, it is increasingly recognized that the majority of these students are ill equipped to reliably carry out such calculations. There are several factors that conspire against students' understanding of this topic, with the alien concept of the mole in relation to the mass of compounds and the engineering notation required when expressing the relatively small quantities typically involved being two key examples. In this report, we highlight teaching methods delivered via revision workshops to undergraduate Life Sciences students at the University of Nottingham. Workshops were designed to 1) expose student deficiencies in basic numeracy skills and remedy these deficiencies, 2) introduce molarity and dilution calculations and illustrate their workings in a step-by-step manner, and 3) allow students to appreciate the magnitude of numbers. Preworkshop to postworkshop comparisons demonstrated a considerable improvement in students' performance, which attenuated with time. The findings of our study suggest that an ability to carry out laboratory calculations cannot be assumed in students entering Life Sciences degrees in the United Kingdom but that explicit instruction in the form of workshops improves proficiency to a level of competence that allows students to prosper in the laboratory environment. American Physiological Society 2014-09-01 Article PeerReviewed Sawbridge, Jenny L., Qureshi, Haseeb K., Boyd, Matthew J. and Brown, Angus M. (2014) Revision workshops in elementary mathematics enhance student performance in routine laboratory calculations. Advances in Physiology Education, 38 (3). pp. 239-245. ISSN 1043-4046 Concentration dilution mass molarity molecular weight moles solution. http://advan.physiology.org/content/38/3/239 doi:10.1152/advan.00036.2014 doi:10.1152/advan.00036.2014
spellingShingle Concentration
dilution
mass
molarity
molecular weight
moles
solution.
Sawbridge, Jenny L.
Qureshi, Haseeb K.
Boyd, Matthew J.
Brown, Angus M.
Revision workshops in elementary mathematics enhance student performance in routine laboratory calculations
title Revision workshops in elementary mathematics enhance student performance in routine laboratory calculations
title_full Revision workshops in elementary mathematics enhance student performance in routine laboratory calculations
title_fullStr Revision workshops in elementary mathematics enhance student performance in routine laboratory calculations
title_full_unstemmed Revision workshops in elementary mathematics enhance student performance in routine laboratory calculations
title_short Revision workshops in elementary mathematics enhance student performance in routine laboratory calculations
title_sort revision workshops in elementary mathematics enhance student performance in routine laboratory calculations
topic Concentration
dilution
mass
molarity
molecular weight
moles
solution.
url https://eprints.nottingham.ac.uk/35409/
https://eprints.nottingham.ac.uk/35409/
https://eprints.nottingham.ac.uk/35409/