Welcome to biology-online.org! Please login to access all site features. Create account.
Log me on automatically each visit
| Page history
| Printable version
The effect (usually positive or beneficial) of being under study, upon the persons being studied; their knowledge of the study often influences their behaviour.
Origin: city in Illinois; site of the western electric plant
Please contribute to this project, if you have more information about this term feel free to edit this page
This page was last modified 21:16, 3 October 2005. This page has been accessed 985 times. What links here
| Related changes
| Permanent link
© Biology-Online.org. All Rights Reserved.
Register | Login
| About Us | Contact Us | Link to Us | Disclaimer & Privacy | Powered by CASPION