Answer:
- Increased word power.
Explanation:
As per the given description, bilingual children would be able to focus more quickly on the grammar due to the increased word power that enhances the problem-solving abilities of an individual. Wallace Lambert and his colleagues describe that this advantage is due to the 'increased word power' as compared to a monolingual speaker. Lambert conducted a research that proved that bilingual speakers are more quick in decision-making or problem-solving. Thus, the answer is 'increased word power'.