Note: To listen to the audio versions of the itemized studies; simply click the study title (only those hyperlinked, or underlined) and a pop up box will automatically appear which will begin the download process. Now, depending upon the size of the file and the connection you're using; downloads can take roughly anywhere between twenty to fifty minutes until competion. Also know, these files are saved as a WMA (Windows Media Audio Track) and so, will require a Windows Media (or Real Player) to play file. If you don't have one, you may download one by clicking either of the below images.