Chemistry is traditionally perceived as difficult to comprehend. Its mastery requires that a variety of concepts be linked to form an organized knowledge system. The connections need to be made not only between the concepts associated with the macroscopic level of the chemistry triplet but also between the submicroscopic and symbolic levels. Many…

L2 lexical studies have established that learners need to acquire knowledge of the first 3,000 most frequent words in order to enjoy 95% coverage of the vocabulary used in spontaneous speech (Nation 2006). However, there has been little data available that reveal how many of these most frequent words can be recognized by university language…

Learners frequently experience phonologically inconsistent input, such as exposure to multiple accents. Yet, little is known about the consequences of phonological inconsistency for language learning. The current study examines vocabulary acquisition with different degrees of phonological inconsistency, ranging from no inconsistency (e.g., both…