Macarthur Communicative Development Inventories (Cdis) User's Guide and Technical Manual

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This easy-to-read manual provides professionals with a thorough introduction to the Inventarios, the Spanish adaptation of the MacArthur Communicative Development Inventories (CDIs), standardized, parent-completed report forms designed by top language researchers to assess language and communication skills in young children ages 8–30 months. Along with an extensive overview of the two Inventario forms—Primeras Palabras y Gestos and Palabras y Enunciados—the manual includes

• detailed guidelines on using the forms, including information on administration, scoring, interpreting a child's score, and using the norms with with older children, second-language learners, and children from families of low socioeconomic status
• clinical applications, such as screening for language delay, creating intervention strategies, and evaluating treatment effects
• research applications, such as matching children on language skills and examining the influence of other variables on language development
• technical data, including complete information on the development of the Inventarios, the norming data supporting them (including percentile tables and figures), and validity and reliability of the forms

With this comprehensive guide, speech-language pathologists, child development specialists, and other professionals who work with young children and their families will use the Inventarios with confidence.

Learn more about the CDIs and the Inventarios.

Donna Jackson-Maldonado, Ph.D., is a researcher who has lived in Mexico since her childhood. She is a bilingual specialist in monolingual and bilingual language development in children with different language disorders and those who are typically developing. She has developed several language assessment instruments, including the MacArthur-Bates Communicative Development Inventories.

Donna J. Thal, Ph.D., holds a master of science degree in speech pathology and audiology from Brooklyn College and a doctorate in speech and hearing sciences from the Graduate School and University Center of the City University of New York (CUNY). She has been a postdoctoral fellow at the Center for Research in Language at UCSD, an assistant professor at Hofstra University, and an assistant professor at Queens College of CUNY. Dr. Thal is a developmental psycholinguist and a certified and licensed speech-language pathologist who has conducted research in a number of areas, including normal and disordered development of language and cognition, children with focal brain injury, and children with delayed onset of language. She has also carried out studies of language development in Spanish-speaking infants and toddlers. Her most recent work focuses on early identification of risk for clinically significant language impairment and is funded by a grant from the National Institute of Deafness and Other Communicative Disorders (NIDCD), within the National Institutes of Health. Dr. Thal is an editorial consultant for language for the Journal of Speech, Language, and Hearing Research and the American Journal of Speech-Language Pathology. She was the California State nominee for the American Speech-Language-Hearing Foundation Outstanding Clinical Achievement Award in 1996, received the Monty Distinguished Faculty Award from SDSU 1998 and the Albert W. Johnson Research Lecturer Award from SDSU in 1999, and was the Wang Family Excellence Award nominee from SDSU in 2000. She served a 4-year term on the Communicative Disorders Review Committee for the NIDCD from 1998 to 2002. Dr. Thal is a co-author of the MacArthur Communicative Development Inventories.

Larry Fenson, Ph.D., is Professor of Psychology at San Diego State University in California. Dr. Fenson has published research on infant attentiveness, early symbolic development, categorization, children's drawing skills, play, and early language development. He received his doctorate in child psychology from the University of Iowa. He served as Assistant Professor at the University of Denver and was a National Institute of Child Health and Human Development postdoctoral fellow with Jerome Kagan at Harvard University. Dr. Fenson is Chair of The CDI Advisory Board.

Dr. Marchman earned her doctoral degree in Developmental Psychology from the University of California, Berkeley, and was a postdoctoral fellow at the University of California, San Diego. She served on the faculty at the University of Wisconsin–Madison and the University of Texas at Dallas and was named Distinguished Scholar at the Callier Center for Communication Disorders. She is currently a research scientist in the Department of Psychology at Stanford University and the Department of Developmental-Behavioral Pediatrics at Stanford University School of Medicine. Dr. Marchman has conducted research in several areas of language and cognitive development, language disorders, and early childhood development. Her most recent work focuses on individual differences in language-processing efficiency and vocabulary development in monolingual English and bilingual (Spanish/English) children born full term and preterm. Dr. Marchman is a member of the MacArthur-Bates CDI Advisory Board, the developer of the CDI Scoring Program, and a contributor to Web-CDI, the CDI-CAT, and Wordbank.

Tyler Newton, M.A., is teacher at Clover Flat Elementary School, Boulevard, California. Tyler Newton received bachelor of arts and master of arts degrees in psychology from San Diego State University. She obtained the California Multiple Subject Teaching Credential from San Diego State University in 2000 and currently teaches second and third grades at Clover Flat Elementary School in Boulevard, California. Her master's thesis involved work on the norming study for the MacArthur Inventarios del Desarrollo de Habilidades Comunicativas.

Barbara Conboy, Ph.D., is currently a postdoctoral Research Associate at the Center for Mind, Brain & Learning at the University of Washington. She earned a doctorate in language and communicative disorders at the University of California, San Diego/San Diego State University; a Master of Arts degree in speech-language-hearing at Temple University; and a bachelor of arts in Latin American studies at Smith College. She is certified by the American Speech-Language-Hearing Association as a speech-language pathologist and has worked extensively with bilingual children with language-learning disorders. Her research interests include early bilingualism, experiential factors in language acquisition and brain development, and the early identification and treatment of language impairment in bilingual children.