The management problems of the implementation process of an Individualized Audio-Tutorial (IAT) learning unit in ninth grade biology in Israel are discussed. The sequence of the learning activities in relation to four problems which were raised during the implementation process are presented: (1) administrative problems at the school level; (2)…

This investigation of the impact of an Individualized Audio-Tutorial (IAT) biology learning unit upon students in five ninth grade classrooms in an urban junior high school in Israel focused on the students' perceptions of their classroom learning environment, and their attitudes toward IAT and toward science and understanding the process of…

This study investigated the effects on the performance of different age group students of: (1) method of task presentation; (2) format of test questionnaire; and (3) the numerical content of the tasks. The sample consisted of 556 students from grades 7, 9 and 12. The tasks, used for assessing reasoning skills, were taken from the Video-Taped Group…