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Background: It is well established that successful learning with multimedia is challenging, especially for younger learners. Aims: It was investigated whether students would profit from instructional support regarding the use of multimedia learning strategies. Sample: Participants were high school students in 8th, 9th, and 10th grade (N = 168). Methods: Participants were assigned to a no-support control group or one of four experimental groups. In the experimental groups, students received either only a multimedia strategy training before learning (training group) or the training was enriched by prompts (prompts before or during learning) or if-then plans (implementation intentions). In the training, multimedia learning strategies were introduced (e.g., linking information from text and picture). The prompts and implementation intentions were aimed at enhancing the application of the multimedia strategies conveyed through the training. Students learned about the process of mitosis by studying multimedia instructions and were tested regarding the acquired knowledge. It was expected that solely training students to use adequate multimedia learning strategies would not promote learning compared with the control group, rather, that additional support like prompts or implementation intentions would be necessary to enhance learning. Results: Although in the experimental groups, multimedia learning strategies were used more frequently especially in the beginning of the instructional unit, there were no effects on learning outcome. Conclusions: Promoting multimedia strategy use did not improve learning. The quality of the different instructional support measures and their suitability for the target groups are discussed as possible explanations for these findings.

Despite the general effectiveness of multimedia instruction, students do not always benefit from it. This study examined whether students' learning from multimedia can be improved by teaching them relevant learning strategies. On the basis of current theories and research on multimedia learning, the authors developed a strategy training for 9th-grade students. To evaluate it, 31 students received the aforementioned training and 33 students received placebo control training. After that, students completed a multimedia learning session on meiosis. Results showed that although the experimental training improved students' strategy knowledge, it had no effect on learning outcomes. Accordingly, students acquired strategy knowledge but did not apply it later. Implications for the design of multimedia strategy interventions and future research are discussed.

There is ample evidence that multimedia learning is challenging, and learners often underutilize appropriate cognitive processes. Previous research has applied prompts to promote the use of helpful cognitive processing. However, prompts still require learners to regulate their learning, which may interfere with learning, especially in situations where cognitive demands are already high. As an alternative, implementation intentions (i.e. if‐then plans) are expected to help regulate behaviour automatically due to their specific wording, thereby offloading demands. Accordingly, this study aimed at investigating whether implementation intentions compared with prompts improve learning performance, especially under high cognitive load. Students (N = 120) learned either in a control condition without instructional support, with prompts, or with implementation intentions. Within each condition, half of the participants studied the multimedia instruction under conditions of either high or low cognitive load, which was experimentally manipulated by instructing them to perform one of two secondary tasks. In line with our hypotheses, the results showed that under low cognitive load, both prompts and implementation intentions led to better learning than the control condition. By contrast, under high cognitive load, only implementation intentions promoted learning. Thus, implementation intentions are an efficient means to promote learning even under challenging circumstances. [ABSTRACT FROM AUTHOR]