An historical overview of research on second language acquisition considers research topics examined in observational/longitudinal studies and experimental studies. The questions that have reappeared across both observational and experimental studies concern: (1) whether second language learning is the same or different from first language…

Two major questions are discussed concerning early language immersion: (1) Is it necessarily the best way to acquire a second language permanently and naturally? and (2) Does it provide a genuinely enriching experience for a young child? The author urges caution in interpreting research and consideration of other paths to biculturalism. (PP)