Comparison of Offers
| Feature | Description | By Session | By Workgroup | By Study |
| Sessions | A single session for collecting data from a participant | Pay as you go | 1200
with option to extend |
Study-specific |
| Tests per session | # of tests and scripts a test battery is comprised of | One | Multiple | Study-specific |
| Active Experiments | Concurrent experiments open for data collections | One | Multiple | Study-specific |
| Multi-User Account | Role-based access for multiple users |  |
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| Self-service Administration Console | Browser-based workspace to design and conduct studies | |
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| Pre-packaged Test Paradigms | Access to pre-packaged task paradigms | |
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| Scripting Engine | Create custom scripts with help of ERTS scripting language | |
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| Multi-language Test Instructions | English and German (other languages per request) | |
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| Remote Testing | Sharing URL with test participants to run test on own device | |
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| Self-sign up | Option to let participant sign up on published URL | |
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| 3rd party Web Recruiting | Integration into Mechanical Turk and SONA Systems | |
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| Access to own data | Allow test participants to download their own data | |
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N/A |
| Private Hosting | Option for hosting study on dedicated web server | |
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| Design of Test Battery | Option for consulting on design of test battery | |
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| Custom test development | Option for new of modified test paradigms | |
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| Data Quality and Processing | Option for clearing and aggregating results into scores | |
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