Logo

Publikacije (37471)

Nazad

The aims of this study were to assess the factor structure of a new instrument for the measurement of intrinsic, extraneous and germane cognitive load in a Bosnian sample, to determine the internal consistency of this instrument and to determine whether the instrument predicts learning outcomes. The participants were 75 undergraduate students from the Department of Psychology, University of Sarajevo. Data was collected using the Questionnaire for the Measurement of Intrinsic, Extraneous and Germane Load developed by Leppink, Pass, Van der Vleuten, Van Gog & Van Merrienboer [15] and a Brief Test of Knowledge developed for the purpose of the present study. Results of a confirmatory factor analysis support a three-dimensional model, with the item loadings in the expected manner. The factor structure obtained in our study is consistent with the factor structure reported by Leppink et al. [15]. In addition, the scale items showed good internal consistencies. The results obtained in our study suggest that low intrinsic in combination with high germane scores contribute to learning outcome. High complexity of learning material in combination with not well-organized prerequisite knowledge causes lower investment of germane cognitive resources, i.e. learning process, and consequently lower learning outcome. Overall, despite a relatively small sample size, the results of our study show a clear three-factor structure that corresponded to intrinsic, extraneous and germane cognitive load. The questionnaire could be an important instrument for research practice in domain of CLT. Moreover, the instrument has significant practical value. Educational practitioner can use the instrument in researching and planning their teaching to maximise learning.

Mladen Stančić, Branka Ružičić, N. Kašikovič, D. Grujić, D. Novaković, Rastko Milošević

The surface of textile materials is highly textured, commonly in non-uniform ways. Because of this texture effect, textile surface appears rougher and more porous than other printing substrates, which can cause excessive ink penetration during printing process. Next, washing process is very important factor because it influences ink characteristics on printed samples as well as structural changes of the textile substrate. The aim of this paper is to determine the influences of washing process and different mesh tread count used for printing on print quality. This will be obtained by using spectrophotometric analysis, and GLCM image processing method for print mottle estimation. The results of this research show that increasing number of washing processes leads to higher color differences reproduction color in comparison to printed materials before washing. It also shows that textile surface texture has a great influence on print mottle as well as that number of washing treatment series can generate variations of solid-tone print uniformity.

A. Beganović, Samra Stabančić, A. Skopljak-Beganović, M. Gazdić-Šantić, R. Jašić, A. Drljević

Nadja Zubcević, Suljevic Damir, M. Fočak, D. Rukavina

Abstract Plant lectins are carbohydrate binding proteins or phytohaemagglutinins present in most plants, especially seeds and tubers, which include cereals, potatoes and beans. Lectins have great significance in the diet because of their involvement in gastrointestinal difficulties and erythrocyte agglutination. Blood agglutination activity against A, B, AB and O groups was shown after exposing blood to extracts obtained from 55% of tested plants, while in 45% of plants, agglutination was absent. The results of our study have shown that in humans, 40% of plant extracts exhibited activity against A, 40% of plant extracts exhibited activity against B, and 50% of plant extracts exhibited activity against AB and O groups in humans. The concentration of plant lectins depends on the part of the plant. Lectins from the seeds of certain plants cause the greatest percentage of erythrocyte agglutination, while the lowest agglutination was caused by plant bulbs and leaves. However, lectins derived from all plant species of the family Fabaceae agglutinated erythrocytes of all blood types to some extent.

Nema pronađenih rezultata, molimo da izmjenite uslove pretrage i pokušate ponovo!

Pretplatite se na novosti o BH Akademskom Imeniku

Ova stranica koristi kolačiće da bi vam pružila najbolje iskustvo

Saznaj više