Temperament

These data are children ages 2 through 5, includes preschool, child, and family demographic characters, social and emotional skills, cognitive skills, early math, early reading, and other indicators of kindergarten readiness (e.g., approaches to learning). Data were collected via director child assessments and teacher report. Direct child assessments were collected once in the fall whereas teacher reports were collected once in the fall and once in the spring.

This dataset contains all longitudinal data for the entirety of the WRRMP. This includes 10 waves worth of twin data, with extensive reading, math, behavioral, and environmental measures. Due to the twin nature of the data, data is presented as both long and wide, with each twin represented twice within the dataset.

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 dataset contains results from the wave 2 survey completed by the twins who were 9 and older about themselves, administered in 2014. This contains measures related to the child's home and school environment, attitudes regarding books, home, school, and friends, and several behavioral surveys (PANAS, CADS, etc.).

This dataset contains results from the wave 2 survey completed by the twins who were 9 and older about themselves, administered in 2012. This contains measures related to the child's home and school environment, attitudes regarding books, home, school, and friends, and several behavioral surveys (PANAS, CADS, etc.).

This dataset contains results from the second wave of surveys sent to parents of twin pairs in 2014. Within said surveys, parents were asked to rate themselves, their home, and their twins on various questionnaire measures including: family demographic measures (parent education, household income, etc.), home environmental measures (home literacy environment, family routines, CHAOS, etc.), family history (Colorado Learning Disabilities Questionnaire), and various behavioral measures (ADHD ratings, internalizing and externalizing behaviors, executive function, etc).

This dataset contains results from the first wave of surveys sent to parents of twin pairs in 2012.