This study investigates eyewitness identification.You will be asked to study a face and to pick it out of a line up later. You will also be asked to answer a number of general knowledge questions and to reflect on how confident you are of your answers.

This study is being conducted by Dr Michael Lewis from Cardiff University who can be contacted via the following email address:

This study will take approximately 5 minutes to complete.

Participation in this study will not involve any known risks and data gathered in the study will be confidential and for research purposes only. Note, however that there is a negligible possibility that your responses could be viewed by unauthorized third parties.

You are free to withdraw from the study at any time without penalty or loss of benefits to which you are otherwise entitled.

If you are 18 or over, understand the statement above and freely consent to participate in this study then click on the "I Agree" button to begin the study.