Early flawed studies on bilingualism indicated that it:
A)slowed cognitive development.
B)had no effect on cognitive development.
C)produced measurable enhancements in IQ scores,although these increases have since been shown to be unreliable.
D)enhanced cognitive development but had deleterious effects on mastery of the first language.

Question

Quizplus · Accepted Answer

Early flawed studies wrongly suggested that bilingualism could slow cognitive development.

Answer: B 
 Early flawed studies also wrongly suggested that bilingualism had no effect on cognitive development.

Answer: C 
 Early studies suggested that bilingualism produced measurable enhancements in IQ scores, but later research showed such effects to be unreliable.

Answer: D 
 Early studies indicated that bilingualism enhanced cognitive development but had a negative effect on mastery of the first language, but such findings were later refuted by additional research.

Early Flawed Studies on Bilingualism Indicated That It