While background music and interesting yet irrelevant to the topic adjuncts were found to harm learning (and were classified as seductive detail) in the Cognitive-Affective Theory of Learning with Media model (CATLM). emotionally appealing shapes and color were found to foster learning (and were classified as multimedia with emotional design). However. although humour is used in educa... https://www.vacuumdoctores.shop/product-category/polishing-burnishing/