Christopher Schatschneider is a full professor in the Department of Psychology at Florida State University and is an Associate Director of the Florida Center for Reading Research. His research interests include early reading development, research design, and statistics.

Contributions
This codebook contains information related to the variables within the "Twin Progress Monitoring and Reporting Network Data" dataset.
This dataset contains information from the Florida Progress Monitoring and Reporting Network (PMRN) linked to the Florida Twin Project twins.
This codebook contains information on variables within the Behavior and Environment Survey dataset. This codebook corresponds to both the parent and twin self-report survey data.
This dataset contains results from the initial survey assessment completed by parents and twins (who were 9 years or older) regarding the twin pair's environments and behaviors (2010). T
This codebook contains information on the variables within the Wave 3 Child Achievement Measures dataset. Original coding is provided, with alterations to coding for deidentification purposes annotated within the document.
This codebook contains information on the variables in the Wave 2 Child Achievement Measures dataset. Original coding is provided, with alterations to coding for deidentification purposes annotated within the document.
This codebook contains information on the variables within the Wave 1 Achievement Measures dataset. Original coding is provided, with alterations to coding for deidentification purposes annotated within the document.
This dataset contains measures from the third wave of data collection of the twins' achievement (collected in 2016). Data was collected via parent assessment using instructions sent in the mail.
This dataset contains measures from the second wave of data collection of the twins' achievement (collected in 2014). Data was collected via parent assessment using instructions sent in the mail.
This dataset contains measures from the first wave of data collection of the twins' achievement (collected in 2012). Data was collected via parent assessment using instructions sent in the mail.