A randomized controlled parallel-group trial was conducted to investigate the effectiveness of two 10-week early childhood education and care (ECEC) interventions "SAGA" and "Pikkuli" for supporting social-emotional and verbal development. All children above the age of 4 were invited from 15 Finnish volunteer ECEC groups (n…

Parity is one source of automatic reinforcement that increases the probability of verbal behavior that conforms to models provided by the verbal community. Parity as a conditioned reinforcer could explain the acquisition of grammar in the absence of direct, explicit reinforcement. This possibility has been explored in previous research on…

Of all the developmental difficulties that may be present in childhood, language impairment is probably the most common. It is of vast importance to prevent cumulative negative consequences of these impairments. The present study evaluates the effects of a language and activity-based intervention programme on verbal and non-verbal performance and…

What role does contextual information play in children's early word comprehension? Using an inter-modal preferential looking task, we investigated how different background contexts influence children's looking times before and after an image has been named. Prior to the experiment, early comprehension of words was assessed using parental…

Speaker immersion is a tactic that uses multiple establishing operations to increase speaker behavior for individuals with limited mand and tact repertoires. The purpose of this paper was to evaluate the effects of speaker immersion on the number of independent mands, tacts, and autoclitics emitted by young children with verbal delays. In the…

This study examines the relationship between the typical activities and social involvement young children experience in Singapore day care centers and the children's language development. Cognitive, physical and domestic activities and social involvement were observed in 16 day care centers and recorded using the Target Child Method of…