PHDCN: Motor Control Circles Task Data from Chicago, 2000-2002

The Project on Human Development in Chicago Neighborhoods (PHDCN) Circles instrument measured motor control in children and young adults. Over 6,000 subjects from randomly selected cohorts participated in a longitudinal study examining influences on antisocial behavior. The Circles task involved subjects drawing circles under three timed conditions to establish a baseline and measure speed variations.

Use Cases

• Analyzing fine motor skill development based on timed drawing trials described in the instrument.
• Studying correlations between motor control and other developmental measures within the broader PHDCN study.
• Modeling baseline motor performance against fast and slow execution trials to understand control variability.
• Investigating potential links between early motor skills and behavioral outcomes suggested by the study's focus on antisocial behavior.

Strengths

• Data is part of a large-scale longitudinal study following over 6,000 subjects.
• Instrument includes three controlled trials (baseline, fast, slow) for each subject, providing multiple measurements.
• Study design incorporates random sampling of children, adolescents, and young adults across Chicago neighborhoods.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count for this specific Circles instrument component is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Harvard University, authored by Felton J. Earls.

Collection Method

Administered as part of the PHDCN Longitudinal Cohort Study, a series of coordinated longitudinal studies.

Time Range

2000-2002 (Wave 3)

Geography

Chicago neighborhoods, USA.