The Quarterly Labour Force Survey, January - March, 2011: Unrestricted Access Teaching Dataset is based on the Quarterly Labour Force Survey, January-March 2011 (see SN 6782) and constitutes real data which are used by government, business and other organisations. The teaching dataset is a subset which has been subjected to certain simplifications and additions for the purpose of learning and teaching. The main differences are:the teaching dataset contains a 30% random sample of the main QLFS sample aged 16 years and over; the number of variables has been reduced;a reduced user guide with codebook is providedsome variables have been recoded and their level of detail reduced for the teaching dataset.Further information is available in the study documentation (see below). Work-related variables include economic activity, employment status, full or part-time work and hours worked. Socio-demographic variables are also included.