Series and Systems
Survey families or dataset series are data collection efforts that occurred over a period of time or in several geographic locations, using the same or very similar data collection methodology and instruments. Series may be multinational -- collected in more than one country -- or in a single country. Usually all the datasets in the series are collected with the support of the same institution or institutions, but individual surveys or datasets may have the support or assistance of additional parties. The advantage of series from a research perspective is that often data from a series are more easily comparable than data from a variety of sources.
The National Central Cancer Registry of China (NCCR) is responsible for all cancer-related data in China.
The World Bank developed the CWIQ survey series as an inexpensive tool to collect information on poverty, including access and satisfaction with social services and social welfare indicators.
A series of surveys developed to assess the level of disruption to a range of health services resulting from the COVID-19 pandemic and subsequent government mandates and changes in behavior to mitigate the spread of the disease.
