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Mulder, T. H. M.; Verdonk, A. H. – Journal of Educational Television, 1984
Describes an audiovisual teaching unit on the chemical laboratory technique of recrystallization which was developed along problem-solving lines and based on observation of student laboratory behavior. Discussion includes usual procedures for developing such units, how this unit solves problems typically associated with teaching, and its general…
Descriptors: Audiovisual Instruction, Chemistry, Foreign Countries, Higher Education