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Sidou, Lais Feltrin; Borges, Endler Marcel – Journal of Chemical Education, 2020
Principal component analysis (PCA) is one of the most important and powerful methods in chemometrics as well as in a wealth of other areas. Running a PCA results in two main elements, the score plot and the loading plot; the score plot provides the location of the samples, and the loading plot indicates correlations among variables, the trends in…
Descriptors: Factor Analysis, Chemistry, Science Instruction, Teaching Methods
Perez-Arribas, Luis Vicente; Leon-González, María Eugenia; Rosales-Conrado, Noelia – Journal of Chemical Education, 2017
With the final objective of using computational and chemometrics tools in the chemistry studies, this paper shows the methodology and interpretation of the Principal Component Analysis (PCA) using pollution data from different cities. This paper describes how students can obtain data on air quality and process such data for additional information…
Descriptors: Science Instruction, Chemistry, Teaching Methods, Computer Assisted Instruction
Pavlik, Philip I., Jr.; Cen, Hao; Koedinger, Kenneth R. – Online Submission, 2009
Knowledge tracing (KT)[1] has been used in various forms for adaptive computerized instruction for more than 40 years. However, despite its long history of application, it is difficult to use in domain model search procedures, has not been used to capture learning where multiple skills are needed to perform a single action, and has not been used…
Descriptors: Performance Factors, Factor Analysis, Computer Software, Computer Assisted Instruction
Rushton, Brian S. – Science Software Quarterly, 1984
Reviews a computer-assisted learning package (available from CONDUIT) which includes an introduction to factorial experimental design, and the analysis of the main effects and interactions of two- and three-factor experiments. Indicates that it is a clearly thorough package putting over a limited idea in a very lucid manner. (JN)
Descriptors: Computer Assisted Instruction, Computer Software, Factor Analysis, Higher Education

Shaw, Graham; Marlow, Nigel – Computers & Education, 1999
Describes a study conducted at the University of North London (England) that used an illuminative approach to evaluate undergraduate students' initial attitudes towards the use of information and communication technology. Discusses results of Honey and Mumford's learning style questionnaire and a factor analysis of student attitudes that included…
Descriptors: Cognitive Style, Computer Assisted Instruction, Computer Attitudes, Educational Technology

Verbist, R., Ed.; And Others – Scientia Paedagogica Experimentalis, 1978
This journal of educational research contains five papers written by international authors. The initial paper presents the evaluation of a French immersion program for students from the second through the fourth grade in Toronto. The aim of the second paper, written in French with an English summary, was to find the attitude dimensions of French…
Descriptors: Attitude Measures, Bilingual Education, Computer Assisted Instruction, Diabetes