english: But there's also a scientific reason that drove this project, which was to use this natural longitudinal data to understand the process of how a child learns language -- that child being my son.
non_english: Ale za týmto projektom sa skrýva aj vedecký dôvod, a to využiť tieto prirodzené longitudinálne údaje na pochopenie procesu, akým sa dieťa naučí reč – pričom to dieťa je môj syn.