To the question "differentiate between a single-blind procedure and a double-blind procedure" one of my students wrote: "Single blind is when you are legally blind,but you can see things somewhat,double blind is when you are legally blind and can not see anything but you have increased senses awareness."
MIchael Sylvester,PhD Daytona Beach,Florida --- You are currently subscribed to tips as: [EMAIL PROTECTED] To unsubscribe send a blank email to [EMAIL PROTECTED]