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The Mathematics and Technology Attitudes Scale (MTAS) is a simple scale for middle secondary years students that monitors five affective variables relevant to learning mathematics with technology. The sub-scales measure mathematics confidence, confidence with technology, attitude to learning mathematics with technology and two aspects of engagement in… (More)

Most successful Bayesian network (BN) ap plications to date have been built through knowledge elicitation from experts. This is difficult and time consuming, which has lead to recent interest in automated methods for learning BNs from data. We present a case study in the construction of a BN in an intel ligent tutoring application, specifically dec imal… (More)

- Kaye Stacey
- 2003

In 2001 and 2002, a group of students in Victoria, Australia, studied a final year secondary mathematics course for university entrance that permitted use of a computer algebra system (CAS) for the first time in our region. This paper summarizes the changes to curriculum, assessment and teaching that occurred and discusses some major issues emerging.… (More)

- Kaye Stacey, Barry Mccrae, Helen Chick, Gary Asp, David Leigh-Lancaster
- 2002

This paper describes a new research project, which aims to investigate how computer algebra systems can be introduced into the Victorian Certificate of Education mathematics subjects. Lessons drawn from the experiences of the introduction of scientific and graphics calculators are reported along with current moves in some other countries. Options for the… (More)

- Kaye Stacey
- 2007

- Margaret Kendal, Kaye Stacey
- 2010

Before the 1960s, introductory trigonometry was taught in Victorian schools using the ratio method, where trigonometric functions are defined as ratios of sides of right angled triangles. With the advent of "new maths", the unit circle method was introduced. This study explored differences between the two methods for teaching introductory trigonometry.… (More)

- Kaye Stacey
- 2006

A longitudinal study of students' developing understanding of decimal notation has been conducted by testing over 3000 students in Grades 4 to 10 up to 7 times. A pencil-and-paper test based on a carefully designed set of decimal comparison items enabled students' responses to be classified into 11 codes and tracked over time. The paper reports on how… (More)

This paper reports an evaluation of an adaptive computer system designed to diagnose and improve students' conceptions of decimal numbers. The system provides some simple computer games and a test for students aged about 10 to 14. A Bayesian net is used for diagnosis, prediction and sensitivity analysis. Field testing with 25 students who had substantial… (More)

- Mollie Macgregor, Kaye Stacey
- 2009

The structure of certain word-problems can be perceived in different ways, depending on the grammatical form of presentation of the problem and the student's expectation of how it will be solved. The results of our study involving 268 school students aged 14-16 show that, for a certain class of problems, different problem presentations promote the… (More)