004 Datenverarbeitung; Informatik
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Institute
Peer Assessment ist eine Methode, bei der die Teilnehmer eine gestellte Aufgabe nicht nur bearbeiten und einreichen, sondern – in einer zweiten Phase – diese auch gegenseitig überprüfen, kommentieren und bewerten. Durch diese Methode wird, auch in sehr großen Veranstaltungen, das Üben mit individuellen Bewertungen und individuellem Feedback möglich.
Im Wintersemester 2013/14 wurde dieser Ansatz in der Erstsemesterveranstaltung Programmieren an der Technischen Hochschule Nürnberg mit 340 Studierenden als semesterbegleitendes Online-Pflichtpraktikum erprobt. Bei gleichen Leistungsanforderungen wurde bei Studierenden, die erfolgreich am Praktikum teilnahmen, eine Reduzierung der Durchfallquote um durchschnittlich 60 % und eine Verbesserung der Durchschnittsnote um 0,6 – 0,9 Notenstufen erzielt. Zudem lernten die teilnehmenden Studierenden kontinuierlicher, bereiteten Lerninhalte besser nach und gelangten zu einer überwiegend positiven Einschätzung des Praktikums und der Methode. Im E-Learning System Moodle kann Peer Assessment, mit moderatem Umsetzungs- und Betreuungsaufwand, mit der Workshop-Aktivität realisiert werden. Im Beitrag wird auf die Schlüsselelemente des erfolgreichen Einsatzes von Peer Assessment eingegangen.
Es wird ein umfassendes Mentoring Konzept im Studiengang Informatik an der RWTH Aachen vorgestellt, das den Übergang von der Schule zur Universität unterstützt und gleichzeitig beim Auftreten von Schwierigkeiten im Verlauf des Studiums effiziente und kompetente Beratung bietet. Das Programm erreicht durchgängig hohe Akzeptanzwerte bei den Studierenden trotz verpflichtender Teilnahme im ersten Semester. Die Wirksamkeit des Programms ist durch die zahlreichen einflussgebenden Variablen zwar rein quantitativ kaum messbar, die Möglichkeit auf organisatorische und fachliche Probleme eines Jahrgangs reagieren zu können sowie einen Einblick auf die Gründe für einen Studienabbruch zu bekommen, bestätigt aber die Notwendigkeit der Maßnahme.
Der Beitrag stellt das Konzept des Semantischen Positionierens als eine Möglichkeit vor, Grundformen des wissenschaftlichen Arbeitens und elementare Formen der diskursiven Auseinandersetzung zu vermitteln, ohne dass die Studierenden sich inhaltlich an der aktuellen Forschung beteiligen müssten. Die Umsetzung dieses Konzepts im Bachelorstudium der Informatik verdeutlicht, dass mit diesem Ansatz sowohl die Kompetenzen für den Übergang in den mehr forschungsgetriebenen Masterstudiengang als auch für die berufliche Wissensarbeit erworben werden können.
Computational thinking is a fundamental skill set that is learned
by studying Informatics and ICT. We argue that its core ideas can
be introduced in an inspiring and integrated way to both teachers and
students using fun and contextually rich cs4fn ‘Computer Science for
Fun’ stories combined with ‘unplugged’ activities including games and
magic tricks. We also argue that understanding people is an important
part of computational thinking. Computational thinking can be fun for
everyone when taught in kinaesthetic ways away from technology.
As a result of the Bologna reform of educational systems in
Europe the outcome orientation of learning processes, competence-oriented
descriptions of the curricula and competence-oriented assessment
procedures became standard also in Computer Science Education
(CSE). The following keynote addresses important issues of shaping
a CSE competence model especially in the area of informatics system
comprehension and object-oriented modelling. Objectives and research
methodology of the project MoKoM (Modelling and Measurement
of Competences in CSE) are explained. Firstly, the CSE competence
model was derived based on theoretical concepts and then secondly the
model was empirically examined and refined using expert interviews.
Furthermore, the paper depicts the development and examination of
a competence measurement instrument, which was derived from the
competence model. Therefore, the instrument was applied to a large
sample of students at the gymnasium’s upper class level. Subsequently,
efforts to develop a competence level model, based on the retrieved empirical
results and on expert ratings are presented. Finally, further demands
on research on competence modelling in CSE will be outlined.
Regardless of what is intended by government curriculum
specifications and advised by educational experts, the competencies
taught and learned in and out of classrooms can vary considerably.
In this paper, we discuss in particular how we can investigate the
perceptions that individual teachers have of competencies in ICT,
and how these and other factors may influence students’ learning. We
report case study research which identifies contradictions within the
teaching of ICT competencies as an activity system, highlighting issues
concerning the object of the curriculum, the roles of the participants and
the school cultures. In a particular case, contradictions in the learning
objectives between higher order skills and the use of application tools
have been resolved by a change in the teacher’s perceptions which
have not led to changes in other aspects of the activity system. We look
forward to further investigation of the effects of these contradictions in
other case studies and on forthcoming curriculum change.
The paper presents two approaches to the development of
a Computer Science Competence Model for the needs of curriculum
development and evaluation in Higher Education. A normativetheoretical
approach is based on the AKT and ACM/IEEE curriculum
and will be used within the recommendations of the German
Informatics Society (GI) for the design of CS curricula. An empirically
oriented approach refines the categories of the first one with regard to
specific subject areas by conducting content analysis on CS curricula of
important universities from several countries. The refined model will be
used for the needs of students’ e-assessment and subsequent affirmative
action of the CS departments.
The paper discusses the issue of supporting informatics
(computer science) education through competitions for lower and
upper secondary school students (8–19 years old). Competitions play
an important role for learners as a source of inspiration, innovation,
and attraction. Running contests in informatics for school students
for many years, we have noticed that the students consider the contest
experience very engaging and exciting as well as a learning experience.
A contest is an excellent instrument to involve students in problem
solving activities. An overview of infrastructure and development
of an informatics contest from international level to the national one
(the Bebras contest on informatics and computer fluency, originated
in Lithuania) is presented. The performance of Bebras contests in 23
countries during the last 10 years showed an unexpected and unusually
high acceptance by school students and teachers. Many thousands of
students participated and got a valuable input in addition to their regular
informatics lectures at school. In the paper, the main attention is paid
to the developed tasks and analysis of students’ task solving results in
Lithuania.
Social networks are currently at the forefront of tools that
lend to Personal Learning Environments (PLEs). This study aimed to
observe how students perceived PLEs, what they believed were the
integral components of social presence when using Facebook as part
of a PLE, and to describe student’s preferences for types of interactions
when using Facebook as part of their PLE. This study used mixed
methods to analyze the perceptions of graduate and undergraduate
students on the use of social networks, more specifically Facebook as a
learning tool. Fifty surveys were returned representing a 65 % response
rate. Survey questions included both closed and open-ended questions.
Findings suggested that even though students rated themselves relatively
well in having requisite technology skills, and 94 % of students used
Facebook primarily for social use, they were hesitant to migrate these
skills to academic use because of concerns of privacy, believing that
other platforms could fulfil the same purpose, and by not seeing the
validity to use Facebook in establishing social presence. What lies
at odds with these beliefs is that when asked to identify strategies in
Facebook that enabled social presence to occur in academic work, the
majority of students identified strategies in five categories that lead to
social presence establishment on Facebook during their coursework.