Background Type-Token Ratio (TTR), given its relatively simple hand computation, is one of
the few LSA measures calculated by clinicians in everyday practice. However, it has …

This chapter examines state-of-the-art methods for coding, analyzing, and interpreting
discourse-level language data from children and adults with language disorders using the …

In previous research, infants' performance on speech perception tasks has been shown to
predict later language outcomes, typically vocabulary size. We used Bayesian analyses to …

Abstract Ali Panahi and Hassan Mohebbi systematically reviewed Brian MacWhinney's 55
years of research and publication in language education and psychology. The study was …

This manual describes the use of the CLAN program, designed and written by Leonid
Spektor at Carnegie Mellon University. The acronym CLAN stands for Computerized …

Some studies have concluded that sign language hinders spoken language development
for deaf and hard-of-hearing (DHH) children even though sign language exposure could …

Background: We discuss a free software system (Computerized Language Analysis [CLAN])
that can enable fast, thorough, and informative language sample analysis (LSA). Method …

Purpose: Prior work has identified weaknesses in commonly used indices of lexical diversity
in spoken language samples, such as type–token ratio (TTR) due to sample size and …

The Index of Productive Syntax (IPSyn; Scarborough 1990) is a wellestablished measure of
language development, widely used for English and adapted for other languages (Hewitt et …

We characterised language samples collected remotely from typically developing three-year-
olds by comparing them against independent language samples collected in person from …