The National Advanced Driving Simulator at The University of Iowa Research Park is inviting adults to participate in a driving simulation evaluating procedures designed to detect drowsy driving.

•Males ages 21-30
•Live within 30-minute drive of University of Iowa Research Park
•Have normal sleep patterns
•Have not participated in any driving simulation studies regarding drowsiness and driving conducted at the National Advanced Driving Simulator
•Able to participate in:
One phone call that also requires access to an internet connection on a personal device (phone, tablet, laptop, desktop) lasting about 30 minutes
One overnight study visit of up to 9 hours (beginning at 11pm) with no sleep beginning at 8am and no caffeine beginning at 1pm
•Able to refrain from sleep beginning at 8am until the study visit (no napping permitted)
•Willing to complete an activity log beginning the day prior to your overnight visit.

If you meet the above criteria and are interested in participating, please visit the following link for more information and to complete an online eligibility questionnaire: https://uiowa.qualtrics.com/jfe/form/SV_8iduR4HeZ9QBgXz

For more information:

The National Advanced Driving Simulator (NADS) at The University of Iowa Research Park invites adults to participate in a study looking at the effects of cannabis use on driving performance. The link below will take you to a page that has information about the driving simulator study conducted on the NADS miniSim, a non-motion driving simulator. If you indicate interest in the driving simulator study, you will be directed to an eligibility questionnaire for the study. Compensation is up to $385 for your time and effort. If you are interested in participating, please visit the following link for more information and to complete the online questionnaire(s): https://redcap.icts.uiowa.edu/redcap/surveys/?s=J4E8HKPHWJ

• Must be a cannabis user
• Adults ages 18-50
• Live within 60 miles of NADS
• Be in good general mental and physical health
• Able to attend 4 study visits
• Drug and pregnancy screen completed at all visits
• Breath alcohol measurement completed at all visits
• Blood draws at most visits
• Participants must meet other eligibility qualifications

For more information: