Argues that coordinated language-learning sequences provide continuity for learners and clearer understandings about the interrelationships of curriculum, instruction, outcomes, and evaluation for teachers. The article discusses articulation in French, German, and Spanish programs; vertical models of articulation; horizontal articulation; program…

This study tested certain implied predictions regarding conceptual learning at each of four sequential levels of development: concrete level, identity level, classificatory level, and formal level. For this purpose, scaled batteries to assess the level of conceptual development of children, kindergarten through high school, were constructed and a…

This annotated bibliography is a compilation of the research on programed instruction conducted in the United States since 1954. The introduction describes the field; looks back over the research and reviews some of its conclusions; answers the question whether students learn from programmed instruction; explains the characteristic variables; and…