Recently, some researchers are considering the effects of classroom environment on student achievement and attitudes. Due to the concerted effort of a number of educators, remarkable progress has been made over the last quarter of a century in conceptualizing, assessing and researching this area of concern. However, today there is growing concern…

To discover children's knowledge about computer operation and programing characteristics and its effect on children's perceptions of computer expertise, pre- and posttests were administered to 292 children from 5th, 7th and 9th grades. Children were randomly assigned to see a factual film on computers or to a film on another subject. It was…