The first true babbling sounds of ma-ma or da-da are typically securely in infants' repertoire around which age?

a. Birth to 3 months
b. 4 to 6 months
c. 7 to 9 months
d. 10 to 12 months

c

Psychology

You might also like to view...

In this type of therapy, the person is exposed to their fear all at once, not gradually

a) systematic desensitization b) exposure c) flooding d) shaping

Psychology

The __________ is a standard test to judge whether a computer can adequately simulate a human

Fill in the blank(s) with correct word

Psychology