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UID:pretalx-moodlemoot2020-BJBCGA@pretalx.ellak.gr
DTSTART;TZID=Europe/Athens:20201128T124000
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DESCRIPTION:This talk is about STACK [1] (qtype_stack)\, an optional plugin
for the Moodle quiz specifically targeted at the needs of mathematics\, s
cience and related disciplines. STACK moves beyond multiple choice questio
ns by expecting students type an answer in the form of an algebraic expres
sion.\n\nComputer algebra tools establish the objective properties\, such
as algebraic equivalence with the correct answer and generate feedback bas
ed on these properties. STACK also lets teachers randomly generate version
s of questions\, with connected multiple parts\, and worked solutions whic
h reflect the randomization. A variety of inputs options provide support f
or scientific units\, line by line working and clearly separate "validity"
from "correctness" [2\,3].\n\nSTACK has been developed continuously for o
ver twelve years\, it is widely used internationally and with a growing co
mmercial user base. There is a large and growing community of STACK users
on over 800 registered sites\, including the University of Edinburgh\, Lou
ghborough University and the UK Open University. At the UK Open University
STACK is the second most used question type after Moodle's MCQ\, with ove
r one million question attempts per year. Numerous major projects are unde
rpinned by STACK\, and community initiatives such as ABACUS (https://abacu
s.aalto.fi/) have been set up to help academic colleagues pool materials.
STACK is in regular use in English\, Finnish\, Swedish\, Japanese\, German
\, Spanish and Portuguese.\n\nThis talk will illustrate the question type
with examples taken from online assessments we used in undergraduate cours
es at the School of Mathematics (University of Edinburgh). These were part
of a major project which managed to bring mathematical assessments in-hou
se within the Moodle quiz systems\, replacing externally provided material
s in a variety of third party systems. Taking responsibility for our own a
ssessments gives academic colleagues more control over their teaching and
students a more consistent user experience [4\,5].\n\nReferences: \n1. htt
ps://stack-demo.maths.ed.ac.uk/demo/\n2. C. J. Sangwin\, Computer Aided As
sessment of Mathematics. Oxford University Press\, Oxford\, UK\, 2013.\n3.
C. J. Sangwin and I. Jones\, “Asymmetry in student achievement on multi
ple choice and con-structed response items in reversible mathematics proce
sses\, “Educational Studies in Mathematics\, vol. 94\, pp. 205–222\, 2
017.\n4. K. Zerva\, “Developing STACK assessments in Edinburgh\, 2017–
2019”\, proceedings 1st STACK conference (2019) http://zenodo.org/record
/2585816.\n5. Developing online learning materials to support undergraduat
e education at the University of Edinburgh\, C. Sangwin and K. Zerva\, Mat
hematics Today\, Vol.56 No.3\, June 2020.
DTSTAMP:20240413T182252Z
LOCATION:Room 1
SUMMARY:STACK: an assessment system for mathematics in Moodle quiz. - Dr Ko
nstantina Zerva
URL:https://pretalx.ellak.gr/moodlemoot2020/talk/BJBCGA/
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