Describes a study to determine (1) if introductory biology students (N=417) could master ecological concepts and improve their attitudes toward their immediate surroundings using a new unit, and (2) the best instructional format, with lecture materials brought inside or individualized instruction in the field via an audio-tutorial format.…

The relationship between student personality traits and achievement with either mediated self-instruction or didactic large group instruction was investigated. Subjects were 159 female third-year nursing students at Loyola University of Chicago. Subjects received instruction on tracheostomy care and intravenous (I.V.) therapy through either a…