This is an actual announcement taken from the university of liverpool's volunteer system:
We are seeking healthy male volunteers to take part in a psychology experiment which investigates the effects of alcohol on aggressive gaming and cognitive processing.
Volunteers are required to attend a laboratory in the School of Psychology, on the University of Liverpool campus. The study lasts approximately 1 hour and 45 minutes. During the experiment participants will be provided with alcoholic beverages and play on an x-box with another participant,and will also complete questionnaires, a computer task and a verbal fluency task. All participants responses will be anonymous and participants may also be eligible to win music vouchers (to a value of 30) based on performance on a computerised simulation task.
In order to take part, you should be a healthy male aged between 18 and 25, and a fluent English speaker.
For more details about the study, including detailed information about the inclusion and exclusion criteria, please contact Leanne Nowlan at firstname.lastname@example.org.
The University of Liverpool does not condone the excessive use of alcohol.