Child and adult speakers of English have different ideas of what "or" means in ordinary statements of the form "A or B". Even more far-reaching differences between children and adults are found in other languages. This tells us that young children do not learn what "or" means by watching how adults use "or". An alternative is to suppose that…

Investigates the extent to which children develop the ability to comprehend and explain literal and idiomatic meanings as a function of age and sex. (EKN)