The current study establishes the reliability of the Holy Qur'an as one of the earliest treatise on language acquisition by humans. This is not to say that it is a scientific treatise: Rather what we know as modern 'knowledge' finds mention in a book much older. This applies to many aspects of human life, whether they spring from scientific…

It is currently unclear to what extent a spontaneous language sample of a given number of utterances is representative of a child's ability in morphology and syntax. This lack of information about the regularity of children's linguistic productions and the reliability of spontaneous language samples have serious implications for language…

Spontaneous language samples are a useful tool in studying the nature of morphosyntactic production in both clinical and academic settings. However, little work has been done on typical frequency of occurrence of morpheme production and even less on the degree of temporal reliability of morpheme frequency between samples. This study compares two…