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- Publications
- Influence
A Meta-Analysis of the Effects of Calculators on Students' Achievement and Attitude Levels in Precollege Mathematics Classes
- A. Ellington
- 1 November 2003
The findings of 54 research studies were integrated through meta-analysis to determine the effects of calculators on student achievement and attitude levels. Effect sizes were generated through… Expand
The Effects of Non-CAS Graphing Calculators on Student Achievement and Attitude Levels in Mathematics: A Meta-Analysis.
- A. Ellington
- 2006
Forty-two studies comparing students with access to graphing calculators during instruction to students who did not have access to graphing calculators during instruction are the subject of this… Expand
Aptamer beacons for the direct detection of proteins.
- N. Hamaguchi, A. Ellington, M. Stanton
- Chemistry, Medicine
- Analytical biochemistry
- 15 July 2001
We have designed a new class of molecules, which we term aptamer beacons, for detecting a wide range of ligands. Similar to molecular beacons, aptamer beacons can adopt two or more conformations, one… Expand
A MODELING-BASED COLLEGE ALGEBRA COURSE AND ITS EFFECT ON STUDENT ACHIEVEMENT
- A. Ellington
- Mathematics
- 1 January 2005
ABSTRACT In Fall 2004, Virginia Commonwealth University (VCU) piloted a modeling-based approach to college algebra. This paper describes the course and an assessment that was conducted to determine… Expand
RNA architecture dictates the conformations of a bound peptide.
BACKGROUND
The biological function of several viral and bacteriophage proteins, and their arginine-rich subdomains, involves RNA-mediated interactions. It has been shown recently that bound peptides… Expand
Analysis of the CYT-18 protein binding site at the junction of stacked helices in a group I intron RNA by quantitative binding assays and in vitro selection.
- R. Saldanha, A. Ellington, A. Lambowitz
- Biology, Medicine
- Journal of molecular biology
- 9 August 1996
The Neurospora crassa mitochondrial tyrosyl-tRNA synthetase (CYT-18 protein) functions in splicing group I introns by promoting the formation of the catalytically active structure of the intron RNA.… Expand
Effectively coaching middle school teachers: A case for teacher and student learning
- A. Ellington, J. Whitenack, D. Edwards
- Psychology
- 1 June 2017
Abstract In this paper we report findings from a two-year, large-scale research project that describes the work of middle school mathematics specialists (also referred to as mathematics coaches or… Expand
Using Multimedia to Facilitate Software Instruction in an Introductory Modeling Course
- Jill R. Hardin, A. Ellington
- Computer Science
- 2005
TLDR
Effects of hand-held calculators on precollege students in mathematics classes: A meta-analysis
- A. Ellington
- Computer Science
- 2000
- 3
- 1
The Calculator's role in mathematics Attitude
- A. Ellington
- 22 June 2004
Abstract The results of twenty-seven studies on the effect of calculators on students' attitudes toward mathematics are summarized in this article. The statistical process of meta-analysis was used… Expand
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- 1