Contributions
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.
This codebook contains information on the variables in the Wave 3 Parent 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 3 Child Survey 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 2 Child Survey 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 Child Survey 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 2 Parent Survey 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 Parent Measures . Original coding is provided, with alterations to coding for deidentification purposes annotated within the document.
This dataset contains results from the wave 3 survey completed by the twins who were 9 and older about themselves, administered in 2016.
This dataset contains results from the wave 2 survey completed by the twins who were 9 and older about themselves, administered in 2014.