Dear parents/guardian,We are from grade 12 students, we are doing a psychology research about memory interference and we need a help from your son/ daughters contribution for our IB psychology Internal Assessment achievement. We would like you to sign this letter as an agreement that your son/ daughter will take part in our examination and understand that: Your son/ daughter will take part as a contributor of our investigation We ensure that there will be no physical damage or psychological injury Your son/ daughter have their own right to withdraw or leave the research We are responsible for confidentiality (privacy) for the outcome Your son/daughter will be debriefed at the end and have a opportunity to find out the results We need your collaboration and support by giving your son/ daughter permission to take part in our research. Thank you Tangerang, August ,11,2011( ) ( ) Students name Parents name