They need children between the ages of 4 and 6 years and between 9 and 11 years, as well as adults between 20 and 45 years of age to participate in the study. They requirements are four research sessions over a two-week period, with the first two and last two sessions coupled one day after the other. Participation in this study is completely voluntary and you may decide to stop participating at any time. To learn more about the study and see if you or your child would qualify to participate, please contact Fiona Höbler at 416-946-8635 or by email at fluencylabto@gmail.com.