Production of oxytetracycline by an isolated strain of Streptomyces rimosus from Iranian soil was investigated using a special fermentation medium. A comparative study was performed with standard strain PTCC 1144 using the following parameters optimum growth conditions with respect to time, pH, and different amounts of corn steep liquor. Surprisingly, the production yield of the wild strai...

Distributed leadership can enhance the professional learning communities of schools. The present study explored the leadership experience of Jordanian special education teachers, and their perceptions of common constraints to leadership. A mixed method design was used, including a survey (n = 136) and an interview (n = 23). Results indicated that special education teachers had little experience...

This article presents a historical review of mathematics education since the late 1950s in the United States. Three themes are used to organize the literature reviewed in the article: (a) broad sociopolitical forces, particularly highly publicized educational policy statements; (b) trends in mathematics research; and (c) theories of learning and instruction. At times, these themes coincide, as ...

A neurodevelopmental screen in the medical examination of 3750 school entrants with a mean age of 5 years 4 months was validated as a predictor of coordination and communication difficulties. Class teachers of 6, 7, and 8 year olds completed a questionnaire about motor and communication success and difficulty in school activities. Below average ratings on the neurodevelopmental screen were asso...

This is a small pattern language for running online trainings. The language starts with an entry pattern ONLINE TRAINING. All other patterns are supporting this pattern and help to make online trainings more alive. Some of the patterns are not exclusive for online uses, for instance PREPARED EXAMPLE or TEST RUN. These patterns could be part of a pattern language for trainings as well. They are ...

Purpose In this epilogue, we review the 4 response articles and highlight the implications of a multidimensional view of reading for the assessment and instruction of reading comprehension. Method We reiterate the problems with standardized tests of reading comprehension and discuss the advantages and disadvantages of recently developed authentic tests of reading comprehension. In the "Instru...

Twenty-four fifth grade (or equivalent age) students were assigned to one of two treatment conditions consisting of equal numbers of students from regular and special education classes. One group was involved in a dramatic games condition culminating in a theatrical performance planned by the group. The second group was involved in a noncompetitive games condition culminating in a demonstration...

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Special libraries all over the world today fulfil a whole variety of different services at a wide range of locations. This diversified spectrum of activities is by no means a recent development. At the time that the Special Library Association (SLA) was founded at the 1909 conference of the American Library Association (ALA), special libraries already had little to do with traditional library t...