This issue contains copies of the five principal addresses given at the 1979 annual meeting of the National Association for Research in Science Teaching. The five papers speak to the theme of the meeting "The Impact of Learning Paradigms on Teaching and Research." Titles of the papers and their authors are: "The Implications of Paradigm-Based Research for Science Education Research" by Carl Berger; "The Reception Learning Paradigm" by Joseph D. Novak; "The Hierarchical Learning Paradigm" by Howard Jones and J. Michael Russell; "The Developmental Learning Paradigm" by Anton E. Lawson; and "The Impact of Paradigm-Based Research Upon Classroom Practice" by Rita Peterson. (Author)