Growing up with Frisian and Dutch

In this longitudinal study, 91 participants were monitored in both languages during three successive test rounds when they were aged between 2;6-4;0 years old. Assessments comprised of Frisian and Dutch receptive and productive vocabulary tests and speech samples of spontaneous speech in both languages. Measurement 1 (first test round) took place when the child was aged between 2;6-2;11 years, measurement 2 (second test round) when the child was aged between 3;0-3;5 years, and during measurement 3 (third test round), the child was aged between 3;6-3;11 years. Parental questionnaires revealed information on language input inside and outside the home. The SPSS-files contain characteristics of the subjects used in this project. Data collection took place in the period 2010-2012.