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Dataset
Part of Project: Math Achievement, Attitudes, and Anxiety
Description: Mathematics achievement, attitudes, and anxiety were longitudinally assessed for 342 (169 boys) adolescents from 7th to 9th grade, inclusive, and Latent Growth Curve Models were used to assess the relations among these traits and developmental change in them.
Dataset
Part of Project: Sex Differences in Mathematics Anxiety and Attitudes
Description: Sex differences in the strength of the relations between mathematics anxiety, mathematics attitudes, and mathematics achievement were assessed concurrently in sixth grade (n = 1,091, 545 boys) and longitudinally from sixth to seventh grade (n = 190, 97 boys).
Dataset
Part of Project: Colorado Twin Project
Description: This is the Colorado Twin Dataset in Long Format
Dataset
Part of Project: Florida Twin Project on Reading, Behavior, and Environment
Description: 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.
Dataset
Part of Project: Florida Twin Project on Reading, Behavior, and Environment
Description: 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.).
Dataset
Part of Project: Florida Twin Project on Reading, Behavior, and Environment
Description: 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.).
Dataset
Part of Project: Florida Twin Project on Reading, Behavior, and Environment
Description: 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
