During the period of 1989-1992 the number of Dutch elementary schools that are in the possession of computers increased by 40%. More than half of the teachers in grades 4, 5 and 6 (9-1 I yr) actually use the computer in the classroom. In secondary education all schools are in possession of computers. The number of teachers who use a computer for existing subjects in the second grade has doubled...

INTRODUCTION School physical education (PE) has been identified as a critical public health tool to increase physical activity among youths. We sought to objectively assess compliance with PE quantity mandates and quality recommendations in a large urban California school district. METHODS We collected PE schedules and systematically observed PE lessons (n=154) in 20 elementary, 4 middle, and...

the linear and single factor attitude towards human being behavior (in the range of normality and abnormality) is no longer valid. currently human being is considered a live and dynamic system and behavioral problems, fluctuating mood states, mental illnesses and disturbances of personality are no exclusions from this ‘system’. a comprehensive holistic and systematic approach in this regard is ...