Quality Services:

• Data Collection and Case Report Form design and formatting
• Determination of appropriate data collection methodology (e.g., face–to–face interview, mail–out/mail–back, medical record abstraction)
• Data Entry
• Receipt and processing of forms by trained staff
• 10-100% Double Data Entry (project specific)
• Action plans if error rates exceed specified threshold
• Data Auditing
• Data Cleaning
• Cross validation between data sources
• Form completion and consistency checks
• Data clarification and audit trails
• Proprietary macros developed to ensure quality data and cost efficiency
• Derived variable creation and psychometric analysis
• Item–level, derived and analytic database construction

Continuous Communication:

• Data Management is optimized as a result of our frequent contact with project staff, in relation to data collection, data clarification and database cleaning.
• Project success is achieved through our regular data collection updates and reports via the web site and continuous communication with project staff.

Extensive Documentation:

• Sections for grants and proposals
• Data management specifications
• Data Collection and Case Report forms tailored to study population
• Data Dictionary outlining form completion guidelines
• Data Collection Protocol
• Data cleaning results and descriptive statistics on item level data
• Derived variable coding information and descriptive statistics