the aim of the present investigation was to determine the effect of two karate techniques on the reduction in stereotypic behaviours in three 5-year-old boys with autistic disorders. the study included three boys with autistic disorders. a singlesubject method with a-b-a design was used. participants of the present study were required to exercise two karate techniques (zuki and mae-geri) for 12...

E-learning storyboards have been a useful approach in distance learning development to support interaction between instructional designers and subject-matter experts. Current works show that researchers are focusing on different approaches for use in storyboards, and there is less emphasis on the effect of design and process difficulties faced by instructional designers and subject-matter exper...

This paper presents a quantitative approach to multimodal discourse analysis for analyzing online collaborative learning. The coding framework draws together the fields of systemic functional linguistics and Activity Theory to analyze interactions between collaborative-, contentand technology-related discourse. The approach is used to examine how the task subject matter, the activity design, an...

In the paper we show how, based on the preconditioned Krylov subspace methods, to compute the covariance matrix of parameter estimates, which is crucial for efficient methods of optimum experimental design. Mathematics Subject Classification (2000). Primary 65K10; Secondary 15A09, 65F30.