Transcript Questasy Technical Overview Alerk Amin Data Dissemination Requirements Data collection Multiple languages One system – Data and metadata – Administrators and researchers.

Questasy
Technical Overview
Alerk Amin
Data Dissemination Requirements
Data collection
Multiple languages
One system
– Data and metadata
– Administrators and researchers
LISS Panel
~5000 households in Netherlands
Studies conducted on various schedules
Datasets prepared on various schedules
Comparability
Solution: Questasy
Developed by CentERdata
Web application
Manage and distribute survey data and
metadata
Administrator Interface
Upload data files
Enter survey metadata
Manage security
Researcher Interface
Browse and search survey metadata
Download data files
Questasy Website Integration
www.lissdata.nl
/lissdata
Static
Web Pages
(External)
/dataarchive
Researcher
Interface
(External)
Administrator
Interface
(Internal)
Database
Questasy
Questasy Implementation
MVC Architecture
Model based on DDI 3
Search
MVC Architecture
Client
(Web Browser)
1
Internet
9
Questasy
Dispatcher
View
2
8
Security
3
Controller
7
4
Model
6
5
Database
DDI 3
Emerging standard for data documentation
Longitudinal studies
Elements and relationships
DDI 3 Relationships in Model
Question
Scheme
(n:1)
Response
Domain
(n:1)
Concepts
(n:m)
Question
Item
Variables
(n:m)
Question
Constructs
(1:n)
DDI 3 in Database
Search
Researcher interface
Sphinx search engine
Demonstration
www.lissdata.nl