Students more than ever learn from online sources, such as digital texts or videos. Little research has compared processes and outcomes across these two mediums. Using a between-participants experimental design, this study investigated whether medium (texts vs. videos) and context (less authoritative vs. more authoritative), independently and in…

This paper examines whether conversational norms that have been observed for face-to-face communication also hold in the context of a specific type of computer-mediated communication: collaboration (such as in Wikipedia). Specifically, we tested adherence to Grice's (1975) maxim of relation--the implicit demand to contribute information that is…

In a study designed to see how students accommodated a new technology, 27 eighth graders used a microcomputer in a middle school science class to access a commercial videotex service containing an electronic encyclopedia as part of an assignment to write a theme. Field observations of computer use and student interviews were used to collect data.…

A study was conducted to determine the contacts between agricultural extension and family farmers in Israel. Structured interviews were conducted with a representative sample of 171 smallholder farmers. Advisers of the official Extension Service and the publications of this service and farmers' monthlies were considered to have contributed to…

A study determined the use of different information sources for decision making used by traditional Arab farmers in Israel. A questionnaire was used to interview 48 farmers from 4 villages in the Nazareth region and 56 farmers from 5 villages in the Gaza strip in their homes. Farmers were asked to name major innovations they had adopted during the…