Turn Down the Volume
Lots of spellers have noise sensitivity! This lesson will teach all about the science behind it, what's healthy and what's not, and the long term effects of too much noise.
Page Count: 7
Please Note: Practitioners or group users should choose "Professional Use" from the drop-down menu of license types if they intend to use the lesson with multiple students in a professional context. Single use licenses only extend copyright permission for use with one student or in the home setting.
Professionals may also purchase single licenses, and later upgrade for professional use by emailing email@example.com.
Thank you for honoring the original work of our writers by adhering to these instructions.