Varia Vol. 122, 2022/3 - 168 pagesPages 399 à 404Introduction to the special issue. Designing instruction for learning technologiesPar André TricotPages 405 à 437Increasing learner interactions with E-learning systems can either decrease or increase cognitive load depending on the nature of the interactionPar Ali Darejeh, Nadine Marcus, John SwellerPages 439 à 470Ego or Heterocentric? Effects of The Perspective of Video or Pictures Instructions on Procedural LearningPar Leslie Jannin, Franck Ganier, Philine de VriesPages 471 à 512Transfer of learning in young children: Magic digital or similarity-based?Par Wilfried T. Mombo, Jérôme ClercPages 513 à 536Learning by tablet-based drawing: Effects of verbal support among secondary-school studentsPar Julie Rochat, Éric Jamet, Estelle MichinovPages 537 à 561Investigating the impact of gender-differences and spatial ability on learning from instructional animationsPar Ruchi Gupta, Nadine Marcus, Paul Ayres