Development of an Integra ated CARI Interactive Data Access System - - PowerPoint PPT Presentation

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Development of an Integra ated CARI Interactive Data Access System - - PowerPoint PPT Presentation

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Development of an Integra ated CARI Interactive Data Access System for th e US Census Bureau Mai Nguyen, M. Rita Thissen, Ch hristopher Siege, Sandhya Bikmal RTI Inter RTI I t rnational ti l 2010 International Bla ise Users Conference

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SLIDE 1

Development of an Integra Access System for th

Mai Nguyen, M. Rita Thissen, Ch RTI I t RTI Inter 2010 International Bla B lti Baltimo

www.rti.org

ated CARI Interactive Data e US Census Bureau

hristopher Siege, Sandhya Bikmal ti l rnational ise User’s Conference MD

  • re, MD

RTI International is a trade name of Research Triangle Institute

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SLIDE 2

Development of the C D A S Data Access System

  • CARI Interactive Data Acc
  • Coding workflow
  • Data flow
  • System integration

y g

www.rti.org

CARI Interactive m

cess System overview

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SLIDE 3

Census Bureau Cont Census Bureau Cont

  • Implemented CARI* using
  • Want to do behavior codin

ACS Content Test, starting

  • CATI and CAPI sources
  • System must be integrated

Bureau infrastructure for d authentication

  • Quality assurance coding

y g

* Computer Audio Recorded Interview

www.rti.org

Computer Audio Recorded Interview

text text

Blaise 4.8.2 ng using CARI files for the g g g early 2011 d with current Census data loading and g sometime in future

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wing

3

wing

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SLIDE 4

CARI Interactive Dat O i Overview

Beha ior coding

Web-based CARI data ac

  • Behavior coding
  • Quality assurance coding
  • Online training
  • Automated assessment too
  • Tools for integration with Ce
  • Coaching Component (201

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a Access System

ccess system

  • l for user feedback

ensus Bureau infrastructure 0 – 2012)

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SLIDE 5

Workflow for Behavio Workflow for Behavio

  • Create new survey entry a
  • Configure and assign staff
  • Load data into the system
  • Assign cases to sites and
  • Conduct coding
  • Monitor coding progress
  • Data extraction and close-

www.rti.org

  • r & QA Coding
  • r & QA Coding

and user accounts f to the survey coders

  • out

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SLIDE 6

User Roles User Roles

  • System roles

– System Administrator S – Security Administrator – Site Administrator

  • Survey roles
  • Survey roles

– Research Manager – Headquarters Staff q – Supervisor – Coder

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SLIDE 7

Web Pages by Roles Web Pages by Roles

Research Manag Supervisor Role p

  • Assign Staf
  • View Staff W

Coder Role

View Staff W

  • Assign Cas
  • Restart Cas
  • Reports
  • Login
  • Select Survey
  • Coding Workload
  • Reports

g

  • Case Coding

― Media Player ― Image Viewing Image Viewing ― Notes

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ger and HQ Role

  • Survey Configuration

ff To Survey Workload y g

  • Assign Cases To Sites
  • Review Recordings
  • Query Data

Workload ses To Staff ses Query Data

  • Extract Data
  • Set Sampling Rates
  • Manage Case Sampling
  • Manage Case Sampling

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SLIDE 8

Coding Workflow Coding Workflow

  • System Administrators

– Create new surveys & user acco – Load survey data y – Close out

  • Research Managers

Configure behavior and QA code – Configure behavior and QA code – Assign cases to sites – Monitor progress

S i

  • Supervisors

– Assign cases to coders – Monitor progress

  • Coders

– Coding cases www.rti.org

  • unts

es es

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SLIDE 9

Behavior Coding Pag Behavior Coding Pag

Cases Blaise Instrument Questions Selected Codes Case Notes

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ge ge

Case Data Links to Blaise audio file and captured image file and captured image Behavior Codes A dio Pla er Audio Player

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Captured Blaise Screen

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SLIDE 10

Data Flow Overview Data Flow Overview

www.rti.org

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SLIDE 11

System Integration System Integration

  • LDAP*

– User authentication

  • Master Control System (M

– Import survey data, Blaise a screen images screen images

  • Data extraction

– Reports epo ts – Analysis

* Lightweight Directory Access Protocol

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Lightweight Directory Access Protocol

MCS)

audio files & captured Blaise

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SLIDE 12

Loading Survey Data Loading Survey Data

  • Case’s paradata

– Case ID Question ID – Question ID – Interviewer ID – Interview mode – Language – etc

  • Blaise audio files
  • Blaise audio files
  • Blaise captured screen im
  • Survey data can be loaded

Survey data can be loaded basis

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a - What a What

ages d all-at-once or on a flow

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d all at once or on a flow

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SLIDE 13

Loading Survey Data Loading Survey Data

  • File-based interface

– Eliminate dependency – Freedom of implementation Freedom of implementation choices – Easy maintenance

Oracle e ternal tables

  • Oracle external tables

– Treat data files like a table – Handle Blaise audio files and captured images as part of binary large-objects (BLOBs) – Improve performance compared to other alternatives

www.rti.org

a - How a How

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SLIDE 14

Data Extract Data Extract

  • Coding data & notes
  • Multiple formats

– Excel – Excel – SAS

www.rti.org

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SLIDE 15

Contact Info Contact Info

Mai Ng en Mai Nguyen 919-541-6108 mnguyen@rti.org Chris Siege 919-485-5605 csiege@rti org csiege@rti.org

www.rti.org

Rita Thissen Rita Thissen 919-485-7728 rthissen@rti.org Sandhya Bikmal 919-386-0502 sbikmal@rti org sbikmal@rti.org

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