Shin and Mill (2021) propose four steps children go through when learning "variable form use." Although I applaud Shin and Miller's focus on morphosyntactic variation, their accrual of evidence is post hoc and selective. Fortunately, Shin and Miller recognize this and encourage tests of their ideas. In support of their work, I share data…

This paper takes issue with the view of conceptual structures as autonomous syntactic structures generated by syntactic formation rules. Instead, it adopts the position developed by Croft and Cruse (2004), in showing that linguistic knowledge -- knowledge of meaning and form -- is basically conceptual structure. In fact the, fundamental problem…

In this paper, the role and nature of language and language development will be discussed. Research and theory in second language acquisition has demonstrated that (i) language is an abstract, implicit and complex system. Input (ii) plays a key role in language development; despite the fact that some knowledge of language is innate (iii). Overall,…

Negation is a universal component of human language; polarity sensitivity (i.e., lexical distributional constraints in relation to negation) is arguably so while being pervasive across languages. Negation has long been a field of inquiry in psychological theories and experiments of reasoning, which inspired many follow-up studies of negation and…

This paper presents an argument for how second language acquisition (SLA) research should be carried out if a researcher is genuinely interested in learner grammar (i.e., knowledge of language), its acquisition and use. SLA research has expanded greatly over many years and currently spans many subfields, but researchers share one main goal: to…

This paper consists of a short multimedia introduction to Lolak, a near-extinct Greater Central Philippine language traditionally spoken in three small communities on the island of Sulawesi in Indonesia. In addition to being one of the most underdocumented languages in the area, it is also spoken by one of the smallest native speaker populations…

British Columbia (BC), Canada, is home to 34 Indigenous languages, all of them classified as endangered. Considerable work is underway by First Nation communities to revitalize their languages. Linguists classify many of the languages of BC as polysynthetic, meaning that words are composed of many morphemes, or units of meaning. While strong…

I present evidence from Navajo and English that weaker, gradient versions of morpheme-internal phonotactic constraints, such as the ban on geminate consonants in English, hold even across prosodic word boundaries. I argue that these lexical biases are the result of a MAXIMUM ENTROPY phonotactic learning algorithm that maximizes the probability of…

This Special Issue on Morphological Processing is based on the sixth MOrphological PROcessing Conference (MOPROC), which was kept in June 2009 in Turku, Finland. The issue contains 13 articles by leading scholars in the field of morphological processing. These articles investigate the role morphemes play in language comprehension, production and…

Evidentials are grammatical elements such as affixes and particles indicating the source of knowledge. We provide an overview of this grammatical category and consider three research domains to which developmental studies on evidentiality contribute: the acquisition of linguistic means to characterize knowledge, the conceptual understanding of…

Korean writing is a syllabary where spaces occur between phrases rather than between words. This characteristic of Korean allows different types of information in Korean sentences to be dissociated in ways that are not possible in the languages that have been the focus of most psycholinguistic research, thereby providing new opportunities to…

Studies of copular forms are extremely relevant to issues in philosophy, psychology, and linguistics. Psychologists have recently argued that the most distinctive aspect of human language is its combinatorial nature (e.g., Gentner, 2003; Spelke, 2003). They argue that this linguistic component might be what separates human from animal cognition.…

Free standing and bound morphemes differ in many (psycho)linguistic aspects. Some theorists have claimed that the representation and retrieval of free standing and bound morphemes in the course of language production are governed by similar processing mechanisms. Alternatively, it has been proposed that both types of morphemes may be selected…

This paper provides an overview of second language acquisition (SLA) research over the past several decades and highlights the ways in which it has retained its original applied and linguistic interests and enhanced them by addressing questions about acquisition processes. After discussing disciplinary contexts (SLA research and applied…

Previous investigations of the variable marking of past time by the L2 learner have given rise to a number of hypotheses which predict the patterns of acquisition and use of past time markers in interlanguage (IL). However, given the complicity between their predictions, it has been previously noted that hypotheses such as the aspect and discourse…