Captioning has taken off among the non-hearing impaired — and for good reason
"We can read faster than we can speak," he says. "With closed captioning on, the viewer can quickly read the current dialogue and then turn their attention back to the visual action and use their knowledge of what is being said — and what is about to be said — to enhance their appreciation of the nonverbal/visual aspects of what is happening on the screen."
to move the needle.
There is a wealth of evidence demonstrating that, for a wide range of participants, captions can improve a viewer's comprehension and retention of information. There is also evidence to suggest captions can improve a viewer's ability to draw inferences and define words, identifying emotions from media sources."