Mobile devices are increasingly promoted as tools to facilitate ubiquitous and individualized learning, allowing learners to work at their own pace in authentic and meaningful settings. However, in the case of second language learning, there is a paucity of apps and tools related to improving students' reading comprehension in both Spanish and…

There is now compelling evidence that children's early vocabulary development is essential to their long-term reading comprehension. Findings from experimental studies have indicated that vocabulary knowledge influences the development of conceptual knowledge and comprehension, suggesting a causal relationship among these fundamental language…