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Myint, Leslie; Hadavand, Aboozar; Jager, Leah; Leek, Jeffrey – Journal of Statistics Education, 2020
We performed an empirical study of the perceived quality of scientific graphics produced by beginning R users in two plotting systems: the base graphics package ("base R") and the ggplot2 add-on package. In our experiment, students taking a data science course on the Coursera platform were randomized to complete identical plotting…
Descriptors: Statistics, Randomized Controlled Trials, Teaching Methods, Courseware
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Neiles, Kelly Y.; Todd, Ivy; Bunce, Diane M. – Journal of Chemical Education, 2016
When designing a chemistry education research study it is important that the researcher select or create assessment instruments and methodologies that are valid. This ensures that correct interpretations can be made from the data collected using the instrument or methodology. The two studies described here introduce a novel method for…
Descriptors: Network Analysis, Courseware, Measurement Techniques, Cognitive Ability
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Hsiung, Liang-Yuan; Lai, Mu-Hui – Turkish Online Journal of Educational Technology - TOJET, 2013
This study intends to solve the problem that schools in Taiwan lack of the equipment for color management and inspection instruction and seek ways to improve learning results and reduce cognitive load. The researchers developed 3D courseware for color management and inspection through a research and development process. To further scrutinize the…
Descriptors: Foreign Countries, Courseware, Visual Aids, Color
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Arabacioglu, Taner; Akar-Vural, Ruken – Turkish Online Journal of Educational Technology - TOJET, 2014
The main purpose of this research was to compare the communication media according to effective teaching. For this purpose, in the research, the mixed method, including quantitative and qualitative data collecting techniques, was applied. For the quantitative part of the research, the static group comparison design was implemented as one of the…
Descriptors: Web 2.0 Technologies, Quasiexperimental Design, Preservice Teachers, Courseware
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Somyürek, Sibel; Güyer, Tolga; Atasoy, Bilal – Turkish Online Journal of Educational Technology - TOJET, 2008
One of the major features of a computer based instruction (CBI) is its non-linear structure allowing learners the opportunity of flexible navigation to accommodate their own needs. However, this non-linear structure may cause problems such as inefficient navigation, being lost or cognitive overhead for some learners. The aim of this study is to…
Descriptors: Undergraduate Students, Cognitive Style, Computer Assisted Instruction, Prior Learning
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Kennedy, Gregor E.; Judd, Terry S. – Australasian Journal of Educational Technology, 2004
In this paper we argue that the use of audit trail data for research and evaluation purposes has attracted scepticism due to real and perceived difficulties associated with the data's interpretation. We suggest that educational technology researchers and evaluators need to better understand how audit trail data can be processed and analysed…
Descriptors: Educational Technology, Educational Resources, Data Analysis, Research Methodology