Research Staff

A multi-disciplinary team of investigators, research and support personnel, and student research assistants comprise the LARRC staff.  The staff is spread across five sites in both the continental United States and Lancaster, England.

Name	Role	Affiliation	Expertise
Jim Bovaird	Co-Investigator	Assistant Professor of Educational Psychology, UNL; Director of Statistics and Research Methodology Unit of Nebraska Center for Research on Children, Youth, Families, and Schools	Design of longitudinal and multilevel studies Structural equation modeling
Kate Cain	LU Principal Investigator and Project Co-Investigator	Professor of Language and Literacy, Lancaster University (UK)	Experimental psychology, cognitive and linguistic processes associated with reading comprehension Measurement of cognitive and linguistic processes associated with reading comprehension
Hugh Catts	FSU Principal Investigator & Project Co-Investigator	Professor and Director School of Communication Science and Disorders, Florida State University	Cognitive and linguistic processes associated with reading comprehension Language and reading disorders Early identification
Shelley Gray	ASU Principal Investigator & Project Co-Investigator	Professor of Speech and Hearing Science, ASU	Speech-language pathology Vocabulary development, assessment and intervention Early literacy development, assessment and intervention Professional development for early childhood educators Reading, spelling and writing disorders
Tiffany Hogan	MGH Institute Principal Investigator & Project Co-Investigator	Professor,  Communication Sciences and Disorders	Speech and language pathology Language and literacy connections pre-K to grade 5 Lexical, phonological, and semantic processing Co-morbid speech and language impairments
Laura Justice	LARRC &OSU Principal Investigator	CCEC Executive Director, The Crane Center for Early Childhood Research and Policy, OSU; EHE Distinguished Professor, Department of Educational Studies	Intervention design Language and literacy in early childhood Language and communication disorders Shared reading practices
Richard Lomax	Co-Investigator	Professor in Quantitative Research, Evaluation, and Measurement, OSU	Multivariate analysis of literacy acquisition Structural equation modeling Analysis of variance
J. Ron Nelson	Co-Investigator	Professor of Special Education, UNL	Special education Developing supplemental literacy programs
Diane Nielsen	Co-Investigator	Professor Emerita of Education, KU	Literacy development and instruction of students in the primary grades
Ann O’Connell	Co-Investigator	Professor in Quantitative Research, Evaluation, and Measurement, OSU; Director of the Research Methodology Center, OSU	Evaluation of educational interventions Multivariate and multilevel methodologies Non-normally distributed response variables
Stephen Petrill	Co-Investigator	Professor in Psychology, OSU	Developmental psychologist with expertise in behavioral genetics Language and reading disabilities Mathematics & mathematics disabilities
Shayne Piasta	Co-Investigator	Associate Professor of Teaching and Learning, OSU and Faculty Associate, CCEC	Early and emergent literacy skill development Empirical investigation of literacy-related and other educational programs and practices
Maria Adelaida Restreppo	Co-Investigator	Professor, Speech and Hearing Science, ASU	Bilingual speech-language pathology, oral language and emerging literacy development English language learners Assessment and intervention of ELLs