Dr. Liu serves as a research analyst on experimental and quasi-experimental studies for statewide and nationwide research projects. He conducts data analysis using a variety of methods including multilevel level modeling, propensity score matching, comparative interrupted time series, and regression and mixed-design modeling; and provides support for instrument development using Rasch modeling and structure equation modeling. He manages client communication, writes reports and contributes to the dissemination of findings. Dr. Liu has more than nine years of experience in research design, advanced data analysis, and survey validation and design. He has worked on multiple federal and state level projects during his professional career at AIR and previously at the University of Florida. These projects include but are not limited to Multiple State 21st Century CCLC, including the states of New Jersey, Oregon, Rhode Island, Texas and Washington; New York City Common Core Curriculum Professional Development Evaluation; Mississippi School Leadership Program Evaluation; Ohio Race to the Top Pilot Projects Evaluation; FLVS Evaluation; Indiana’s System of Diagnostic Assessments; Cryptoclub Program Evaluation; and Florida’s Enhanced Education Through Technology (EETT). Dr. Liu has published research articles in several academic journals and presented his work at numerous conferences. He received his Ph.D. in curriculum and instruction with specialization in educational technology and a minor in research evaluation and methodology from the University of Florida.