This paper is concerned with the gradual development and validation of an instructional model for teaching instructional planning to prospective teachers in secondary level business schools. The model is based on the assumptions that a) instructional planning can be considered as a design task, and b) learning to cope with these tasks is effectively supported by task-tailored coaching intervent...

This paper reviews the research literature on gender and gaming in light of the growing interest in digital games for learning. It outlines three different approaches that have been developed to address gender issues in digital games: ‘games for girls’ that build on gender differences by promoting different notions of femininity, ‘games for change’ that support gender play by challenging stereo...

OMB requires that influential scientific information on which a Federal Agency relies in a rule-making proceeding be subject to peer review to enhance the quality and credibility of the government’s scientific information. These studies constitute influential scientific information under OMB’s definition, 1 and thus these studies must be subject to peer review. OMB further requires Federal Agen...

SFI WORKING PAPER: 1998-10-089 SFI Working Papers contain accounts of scientific work of the author(s) and do not necessarily represent the views of the Santa Fe Institute. We accept papers intended for publication in peer-reviewed journals or proceedings volumes, but not papers that have already appeared in print. Except for papers by our external faculty, papers must be based on work done at ...

A vocal tract model for an American English /l/ production with lateral channels and a supralingual side branch has been developed. Acoustic modeling of an /l/ production using MRIderived vocal tract dimensions shows that both the lateral channels and the supralingual side branch contribute to the production of zeros in the F3 to F5 frequency range, thereby resulting in pole-zero clusters aroun...

Magnetic Resonance Imaging techniques are uniquely attractive in their ability to provide an extensive body of information on the vocal tract geometry. Once the images are acquired, they must be further processed in order to segment the airway from the surrounding tissues, so as to locate the air passage. This problem has been addressed in several ways in the litterature. In this paper, we carr...

Articulatory inversion is the problem of recovering the sequence of vocal tract shapes that produce a given acoustic speech signal. Traditionally, its difficulty has been attributed to nonuniqueness of the inverse mapping, where different vocal tract shapes can produce the same acoustics. However, evidence for the nonuniqueness has been restricted to theoretical studies, or to data from atypica...