Examined are the effects of guides, booklets, and signs for use on a nature trail. Considers the effects of language, educational background, age, interest, and sex on media format. Suggests that guides are more effective, though more costly than other media formats. (CW)

A study examined the ways in which the staffs of communication units in agricultural extension agencies in Malaysia select media to transfer knowledge to their clients. A survey method of data collection was employed, whereby 95 staff of communication units from 11 development agencies were asked to respond to self-administered questionnaires.…