Reports the results of an experimental study concerning the effects that place of measurement might have on measuring attitudes of school age children. (Author/DEP)

Bias effect was mainly accounted for by male experimenters testing subjects under conditions of nonautomated stimulus presentation and by female experimenters testing subjects under automated conditions. (Authors)

The Avon Longitudinal Study of Parents and Children (ALSPAC) provided descriptive data on the speech and language of 25-month-olds. Findings indicated great range in the stage of expressive language development achieved. Girls showed more advanced skills than boys. A clear pattern was identified in use of sound classes. Child verbal comprehension…

This research explored the thesis that mental model construction can be an effective instructional strategy for mental models learning by constructing a prototype that embodies this approach. The mental model to be learned was the Internet, including the components of the Internet, their functions, and their relationships to one another. To do…