Age-related differences in explanatory activities during collaborative learning with concept maps: experimental investigation using epistemic network analysis

Abstract Collaborative learning deepens understanding by elaborating knowledge and facilitating memory-related information processing through interactions with others. In computer-supported collaborative learning (CSCL), mechanisms identified in collaborative learning are scaffolded through tools such as group awareness and scripted collaboration. While collaborative learning is considered effective, it remains unclear how older adults learn in collaborative environments using concept maps, and how cognitive decline may hinder their learning. Therefore, this study investigates differences between younger and older adults in collaborative learning with concept maps, focusing on learning performance, concept map performance, and the collaborative learning process. Learning performance was assessed using test scores, concept map performance through concept map evaluations as a tool for externalizing knowledge, and the collaborative process using the Interactive-Constructive-Active-Passive (ICAP) framework, which captures cognitive engagement. Results showed that younger adults had higher learning performance than older adults, while older adults showed no significant improvement, indicating a lack of learning gain. Similarly, younger adults outperformed older adults in concept map performance, and no improvement was observed in older adults for concept map scores. This suggests that older adults found it more difficult to elaborate knowledge, such as integrating new information. Regarding the collaborative learning process, younger adults were more likely to engage at the active, while older adults showed higher engagement at the constructive and interactive levels. Epistemic network analysis (ENA) revealed stronger connections between constructive and interactive behaviors in younger adults, and between active and interactive behaviors in older adults. These findings suggest that while younger adults progressively deepen their engagement during collaborative learning, older adults may require the reactivation of memory to engage in elaboration. These results offer insights into designing effective CSCL environments tailored to the learning needs of older adults.