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Direct linkBucca, Mauricio; Urbina, Daniela R. – Sociological Methods & Research, 2021
Log-linear models for contingency tables are a key tool for the study of categorical inequalities in sociology. However, the conventional approach to model selection and specification suffers from at least two limitations: reliance on oftentimes equivocal diagnostics yielded by fit statistics, and the inability to identify patterns of association…
Descriptors: Foreign Countries, Mathematical Models, Tables (Data), Regression (Statistics)
Nitsch, Renate; Fredebohm, Anneke; Bruder, Regina; Kelava, Augustin; Naccarella, Dominik; Leuders, Timo; Wirtz, Markus – International Journal of Science and Mathematics Education, 2015
In the subject matter of functional relationships, a student's ability to translate from one form of representation to another is seen as a central competence. In the course of the HEUREKO project (heuristic work with representations of functional relationships and the diagnosis of mathematical competencies of students), a theoretical competence…
Descriptors: Mathematics Instruction, Secondary School Mathematics, Mathematical Concepts, Mathematics Skills
Bostic, Jonathan D. – Mathematics Teaching in the Middle School, 2015
"Who has been to Dairy Queen® and purchased a Blizzard?®" Ms. Bosetti asked her students. During the summer, Bosetti had seen many of her former and future students at the local Dairy Queen enjoying Blizzard desserts and wondered, "Which Blizzard size is the best value?" She used this context for a ratios and proportions task…
Descriptors: Mathematics Instruction, Secondary School Mathematics, Mathematical Models, Food
Edwards, Thomas G.; Özgün-Koca, S. Asli; Chelst, Kenneth R. – Mathematics Teacher, 2013
Amazon, Walmart, and other large-scale retailers owe their success partly to efficient inventory management. For such firms, holding too little inventory risks losing sales, whereas holding idle inventory wastes money. Therefore profits hinge on the inventory level chosen. In this activity, students investigate a simplified inventory-control…
Descriptors: Algebra, Mathematics Instruction, Mathematical Models, Retailing
Peled, Irit; Keisar, Einav – International Journal of Mathematical Education in Science and Technology, 2015
In this action research, first-graders were challenged to cope with a sequence of modelling tasks involving an analysis of given situations and choices of mathematical tools. In the course of the sequence, they underwent a change in the nature of their problem-solving processes and developed modelling competencies. Moreover, during the task…
Descriptors: Coping, Task Analysis, Tables (Data), Grade 1
Download full textNational Centre for Vocational Education Research (NCVER), 2012
This publication presents estimates of apprentice and trainee activity in Australia for the December quarter 2011. The figures in this publication are derived from the National Apprentice and Trainee Collection no.71 (March 2012 estimates). The most recent figures in this publication are estimated (those for training activity from the June quarter…
Descriptors: Mathematical Models, Foreign Countries, Vocational Education, Trainees
National Centre for Vocational Education Research (NCVER), 2011
This publication presents estimates of apprentice and trainee activity in Australia for the September quarter 2010. The figures in this publication are derived from the National Apprentice and Trainee Collection no.66 (December 2010 estimates). The most recent figures in this publication are estimated (those for training activity from the March…
Descriptors: Mathematical Models, Foreign Countries, Vocational Education, Trainees
National Centre for Vocational Education Research (NCVER), 2012
This publication presents estimates of apprentice and trainee activity in Australia for the June quarter 2012. The figures in this publication are derived from the National Apprentice and Trainee Collection no.73 (September 2012 estimates). The most recent figures in this publication are estimated (those for training activity from the December…
Descriptors: Vocational Education, Trainees, Foreign Countries, Mathematical Models
National Centre for Vocational Education Research (NCVER), 2013
This publication presents estimates of apprentice and trainee activity in Australia for the September quarter 2012. The figures in this publication are derived from the National Apprentice and Trainee Collection no.74 (December 2012 estimates). The most recent figures in this publication are estimated (those for training activity from the March…
Descriptors: Trainees, Foreign Countries, Mathematical Models, Expenditures
Acevedo Nistal, A.; Van Dooren, W.; Verschaffel, L. – Educational Psychology, 2014
This study evaluates the effects of an intervention aimed at improving representational flexibility in linear-function problems. Forty-nine students aged 13-16 participated in the study. A pretest-intervention-posttest design with an experimental and control group was used. At pretest, both groups solved a choice test, where they could freely…
Descriptors: Intervention, Experimental Groups, Control Groups, Secondary School Mathematics
Shakrani, Sharif M. – Education Policy Center at Michigan State University, 2010
As Duncomb and Yinger (2001) have stated, "School consolidation represents the most dramatic change in education governance and management in the United States in the twentieth century. Over 100,000 school districts have been eliminated through consolidation since 1938, a drop of almost 90 percent (NCES 1999, Table 90). This longstanding…
Descriptors: Educational Finance, School Districts, Consolidated Schools, Counties
Joram, Elana; Oleson, Vicki – Mathematics Teaching in the Middle School, 2007
This article describes a lesson unit in which students constructed tables and graphs to represent the growth of different trees. Students then compared the graphs to develop an understanding of slope.
Descriptors: Units of Study, Graphs, Mathematics Instruction, Middle Schools
Trafimow, David; Rice, Stephen – Psychological Review, 2008
People can use a variety of different strategies to perform tasks and these strategies all have two characteristics in common. First, they can be evaluated in comparison with either an absolute or a relative standard. Second, they can be used at varying levels of consistency. In the present article, the authors develop a general theory of task…
Descriptors: Behavior Theories, Performance, Scores, Performance Factors
