Judith has been complaining of pain in her lower back. Her friends suggested that Judith change the heel height of her shoes. Ju
dith began wearing a lower heel, but still continued to experience pain in her lower back. In this case, the relationship between Judith's back pain and the heel height is representative of a _____ correlation.
They are better for the environment because they don't require developing. They can be viewed on a computer monitor within seconds of taking the image. They can be enhanced and enlarged for better diagnostics. They can be sent to other providers in an instant via email.
