Stüber, M., Vetter, J., Leiste, H., Ulrich, S., Ziebert, C., Müller, J., ...
36th Internat.Conf.on Metallurgical Coatings and Thin Films, San Diego, Calif., April 27 - May 1, 2009
Automatic coding of dialogue acts in collaboration protocols (2008)
Although protocol analysis can be an important tool for researchers to investigate the process of collaboration and communication, the use of this method of analysis can be time consuming. Hence, an...
Effects of representational guidance during computer-supported collaborative learning (2008)
Erkens, G., Kirschner, P.A., Kanselaar, G.
This research investigated the role of representational guidance during the construction of argumentative diagrams. We used a design that compared two tools that differed with respect to the...
Het ontstaan van het Nederlandse landschap. Een canon in 12 thema's en 50 vensters (2008)
Beukenkamp, P., Bokhorst, M., Brombacher, A., Burger, J.E., ...
This study examined the effects of the shared space (SS) on students’ behaviors in a computer-supported collaborative learning (CSCL) environment. The SS visualizes discussion and agreement during...
Argumentative Knowledge Construction in CSCL (2007)
Weinberger, A., Clark, D., Erkens, G., Sampson, V., Stegmann, K., ...
Knowing how to argue is a prerequisite to participation in scientific discourse. In argumentative knowledge construction, learners collaboratively construct and engage in arguments with the goal of...
Bekendheid met groepsleden: Hoe goed ik jullie ken, beïnvloedt onze online samenwerking (2007)
Erkens, G., Griffioen, Alyda, Kirschner, P.A., Kanselaar, G.
In de afgelopen jaren zijn diverse richtlijnen voor het vormgeven van computer-supported collaborative learning (CSCL) geformuleerd (Strijbos, Martens, & Jochems, 2004). Ondanks deze richtlijnen...
Influence of group member familiarity on online collaborative learning (2007)
Erkens, G., Kirschner, P.A., Kanselaar, G.
This study investigated the effects of group member familiarity during computer-supported collaborative learning. Familiarity may have an impact on online collaboration, because it may help group...
Automatic coding of online collaboration protocols (2006)
An automatic coding procedure is described to determine the communicative functions of messages in chat discussions. Five main communicative functions are distinguished: argumentative (indicating a...
Automatic coding of communication in collaboration protocols (2006)
It is important to consider collaborative processes from multiple perspectives because collaborative learning environments are complex, often requiring multiple methodological approaches to...
Erkens, G., Cohen, K.M., Gouw, M.J.P., Middelkoop, H., Hoek, W.Z.
Holocene sedimentation in the Rhine-Meuse Delta is facilitated by sea-level rise and tectonics, but most important is the result of the sediment flux received through rivers from the hinterland. The...
Coordination processes in computer supported collaborative writing (2005)
Kanselaar, G., Erkens, G., Jaspers, Jos, Prangsma, M.E.
In the COSAR-project a computer-supported collaborative learning environment enables students to collaborate in writing an argumentative essay. The TC3 groupware environment (TC3: Text Composer,...
Teachers’ assessment of students’ research skills (2004)
Stokking, K.M., Jaspers, Jos, Erkens, G.
Today, teachers are expected to develop complex skills, such as research skills, in their students while implementing new views on learning and teaching and using authentic assessment strategies....
Developing a computer-supported, collaborative learning environment for argumentative writing (2003)
Projectonderwijs in ICT-leeromgeving in de tweede fase vo (2003)
Kanselaar, G., Erkens, G., Jaspers, Jos, Gisbergen, M. Van, Phielix, C.
In het PRO-ICT project (Projectonderwijs in ICT-leeromgeving in de tweede fase vo) hebben wij ons gericht op de vraag hoe met behulp van cognitieve en metacognitieve computerondersteuning het proces...
Projectonderwijs in ICT-leeromgeving in de tweede fase V.O. (2003)
Erkens, G., Jaspers, Jos, Gisbergen, M. Van, Phielix, C., Kanselaar, G.
Voor ligt het eindverslag van het PRO-ICT project. In het PRO-ICT project (Projectonderwijs in ICT-leeromgeving in de tweede fase vo) richten wij ons op de vraag hoe met behulp van cognitieve en...
'W8ff:-)' Chattalk in een coöperatieve leeromgeving (2002)
Kanselaar, G., Erkens, G., Theil, J., Prangsma, M.E., Jaspers, Jos
Co-construction of knowledge in computer supported collaborative argumentation (CSCA) (2002)
Kanselaar, G., Andriessen, Jerry, Erkens, G., Jaspers, Jos, Prangsma, M.E., Veerman, A.L.
Designing Argumentation Tools for Collaborative Learning (2002)
Kanselaar, G., Erkens, G., Andriessen, Jerry, Prangsma, M.E., Veerman, A.L., Jaspers, Jos
Designing Argumentation Tools for Collaborative Learning (2002)
Kanselaar, G., Erkens, G., Andriessen, Jerry, Prangsma, M.E., Veerman, A.L., Jaspers, Jos
The focus of education has shifted towards working actively, constructively and collaboratively, as this is believed to enhance learning. The studies discussed here deals with the influence of...
Grafieken leren met de computer (1999)
Kanselaar, G., Galen, F. Van, Beemer, H., Erkens, G., Gravemeijer, K.
Electron and laser radiation as sources of zirconia film deposition (1995)
Kreutz, E.W., Lemmer, O., Wesner, D.A., Alunovic, M., Erkens, G., Leyendecker, F., ...
The deposition of zirconia films by electron and laser radiation on steel substrates was investigated as a function of beam parameters and processing variables. The type, the number and the angular...
Sung, H., Erkens, G., Funken, J., Voss, A., Lemmer, O., Kreutz, E.W.
Alsub2Osub3, ZrOsub2 and SiC filsm were generated by pulsed CO2 and Nd: YAG laser radiation respectively. The films were investigated by scanning electron microscopy, X-ray diffraction and...
Laser-assisted physical vapour deposition of ceramics (1992)
Funken, J., Kreutz, E.W., Krösche, M., Sung, H., Voss, A., Erkens, G., ...
The laser-assisted physical vapour deposition of ceramics by photoninduced removal or vapourization of ceramic targets with subsequent deposition on stainless stell or hard metals. Different modes of...
Keramikschichten auf metallischen Substraten (1992)
Sung, H., Pfleging, W., Voss, A., Kreutz, E.W., Erkens, G.
Bei dem PlD (Pulsed Laser Deposition)-Verfahren wird Targetmaterial durch Laserstrahlung abgetragen und auf einem Substrat deponiert. Die Vielseitigkeit des Verfahrens eröffnet ein breites...
Deposition of ceramics by LPVD (1992)
Funken, J., Kreutz, E.W., Krösche, M., Sung, H., Voss, A., Erkens, G., ...
The laser-assisted physical vapour deposition of ceramics is reported by photon-induced removal or vaporization of ceramic targets with subsequent deposition on stainless steel or hard metals....
Characterization and applications of PLD oxide ceramic films (1992)
Alunovic, M., Funken, J., Kreutz, E.W., Sung, H., Voss, A., Erkens, G., ...
The pulse laser deposition (PLD) exhibits various consecutive processes (1,2) separated in space and time such as the energy coupling into the target material, the removal of the material from the...
Laserstrahlunterstütztes PVD-Verfahren. FKZ 13 N 5611 (1990)
Kreutz, E.W., Krösche, M., Sung, H., Voss, A., Leyendecker, T., Lemmer, O., ...
Auf Oberflächen metallischer Werkstoffe werden mit einem laserstrahlungsunterstützten PVD-Verfahren (LPVD-Verfahren) Hartstoff- und Keramikschichten aufgebracht. Eine LPVD-Versuchsanlage erlaubt...