One of a series of reports on the status of speech investigation, this collection of articles deals with topics including intonation and morphological knowledge. The titles of the articles and their authors are as follows: (1) "Integration and Segregation in Speech Perception" (Bruno H. Repp); (2) "Speech Perception Takes Precedence over Nonspeech Perception" (D. H. Whalen and Alvin M. Liberman); (3) "Evidence of Talker-Independent Information for Vowels" (Robert R. Verbrugge and Brad Rakerd); (4) "Controlled Variables in Sentence Intonation" (Carole E. Gelfer, Katherine S. Harris, and Thomas Baer); (5) "Articulatory Synthesis: Numerical Solution of a Hyperbolic Differential Equation" (Richard S. McGowan); (6) "Type and Number of Violations and the Grammatical Congruency Effect in Lexical Decision" (G. Lukatela, A. Kostic, D. Todorovic, C. Carello, and M. T. Turvey); (7) "Low Constraint Facilitation in Lexical Decision with Single Word Contexts" (G. Lukatela, Claudia Carello, A. Kostic, and M. T. Turvey); (8) "The Use of Morphological Knowledge in Spelling Derived Forms by Learning-Disabled and Normal Students" (Joanne F. Carlisle); (9) "The Development of Morphological Knowledge in Relation to Early Spelling Ability" (Hyla Rubin); (10) The Crossword Puzzle Paradigm: The Effectiveness of Different Word Fragments as Cues for the Retrieval of Words" (Naomi Goldblum and Ram Frost); (11) "On the Possible Role of Auditory Short-Term Adaptation in Perception of the Prevocalic [m]-[n] Contrast" (Bruno H. Repp); (12) "Difference in Second-Formant Transitions between Aspirated and Unaspirated Stop Consonants Preceding [a]" (Bruno H. Repp and Hwei-Bing Lin); (13) "Sensitivity to Inflectional Morphology in Agrammatism: Investigation of a Highly-Inflected Language" (K. Lukatela, S. Crain, and D. Shankweiler); and (14) "Intentionality: a Problem of Multiple Reference Frames, Specificational Information, and Extraordinary Boundary Conditions on Natural Law" (M. T. Turvey). A list of DTIC and ERIC numbers is appended. (HTH)