Project story

Juvenile Justice Geography, Policy, Practice & Statistics

JJGPS is a collection of visualizations to help policy makers, advocates, researchers, and the media to chart nationwide change in juvenile justice policy, practices, and statistics by examining state laws and juvenile justice practice, combined with the most relevant state and national statistics. Webitects is working closely with the National Center for Juvenile Justice (NCJJ), the research division of the National Council of Juvenile and Family Court Judges (NCJFCJ), to create interactive visualizations to explore these data.

JJGPS comprises main topics: jurisdictional boundaries, juvenile defense, racial/ethnic fairness, juvenile justice services, status offense issues, and systems integration. Each topic is released in phases to make the information available as timely as possible.

Transfer laws area with filters for type of transfer statute and year

Trends of transfers to adult court in Arizona

Each of these areas encourages visitors to explore the data using interactive maps, charts, or comparison tables. As the site evolves, state profiles will be developed that summarize information from each topic into a one-page overview with details about policies and statistics.

The data

Data used in all charts has been aggregated from existing publications or collected for the first time by NCJJ. All raw data are also available for download within the context of each area, for those that want to conduct additional research on their own.

Design and technology

JJGPS was built using a combination of Webitects' own custom integrated content management system and established data visualization libraries like D3.js, Highcharts, DataTables, and others.

As one of our goals always is a satisfying user experience, we placed extra emphasis on performance for this visualization project. To ensure a very quick response when visitors modify the data filters, most of the raw data is preloaded upon the first visit. This way, the advanced customization options allow fast experimentation with numerous data scenarios.

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