Which one of the following is not true about dysgraphia, a learning disability?

Correct option is C

It affects gross motor skills and logical thinking.
Dysgraphia is a learning disability that affects the learner's ability to write coherently. It can manifest in a number of ways, including difficulty with spelling, poor handwriting, and problems with organizing letters, numbers, or words on paper. However, dysgraphia does not affect gross motor skills or logical thinking.