Tactics: subtitling redundant to create more effective videos
The use of videos with subtitles in the same language and reproducing exactly what you hear in them increases their effectiveness in transmitting the message. The linguistic psychology has studied the phenomenon and advertising science has benefited from the art. Redundant subtitles are a good tactic in content strategy.
Post in Spanish: Táctica: subtitulado redundante para crear vídeos más eficaces