The launching of The Journal for the Psychology of Language Learning is a signal achievement. I begin this commentary by speculating on why it is that the Psychology of Language Learning (PLL) has enjoyed such vigor of late. I expect that one reason is the coming together of a critical mass of researchers and strong leaders over their shared…

This paper provides a broad overview of the development of the domain of 'psychology in language learning' (PLL). It discusses the linguistic dominance of the past, the growing influence of psychology in the present, and the challenges for the future. The author also proposes a research agenda aimed at making the process of L2 learning and…