Colectica powers ICPSR-NACDA Cross Series Cognitive Comparisons

The National Archive of Computerized Data on Aging (NACDA), located within ICPSR, has made available a new Cross Series Cognitive Comparisons utilizing Colectica and the DDI Lifecycle standard. Within the NACDA Colectica Portal, users can view variable metadata across longitudinal datasets side-by-side, allowing for convenient discovery of data collected over time on aging populations.

Users can explore comparable variables related to cognition, health, and other topics across both NSHAP and NHATS studies. That means looking across three waves of the National Social Life, Health, and Aging Project (NSHAP) and eight rounds of the National Health and Aging Trends Study (NHATS). Both NSHAP and NHATS already use the DDI Lifecycle metadata standard, which allow each study to maintain their own metadata. NACDA staff were able to incorporate their own metadata annotations to allow the cross study comparision. For the NSHAP data within the portal, users can even create custom datasets and documentation with only the variables they wish to use.

"We were thrilled to work on this project with the NACDA staff," said Dan Smith, a partner at Colectica. "Utilizing the DDI Lifecycle metadata standard allows this exciting cross study comparison."

the DDI Lifecycle metadata standard allows this exciting cross study comparison

Dan Smith, Partner at Colectica

A webinar featuring NACDA Director Dr. James McNally and Colectica Co-Founders Jeremy Iverson and Dan Smith was conducted at ICPSR on Thursday, Aug 20, 2020. A video on which is available on the ICPSR YouTube page at NACDA Colectica Portal webinar replay.

Colectica products, training on open Standards, documentation, and customized software solutions are available through https://www.colectica.com .

About Colectica

Launched in 2010, Colectica® is the fastest way to design, document, and publish statistical research using Open Data standards. The Colectica Platform is an ideal solution for statistical agencies, survey research groups, public opinion research, data archivists, and other data centric collection operations that are looking to increase the expressiveness and longevity of the data collected through standards based metadata documentation. The company offers a range of highly specific products and services designed to give power to people through easy integration and access to data.

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