AP PSYCHOLOGY

Detailed explanation-1: -At 5-7 months, your baby might: copy some of the sounds you make, like coughing, laughing, clicking or making ‘raspberries’ copy some of the gestures you make, like waving, pointing or clapping. play with making different sounds, like ‘aaieee’, ‘booo’ and ‘ahh’ at different pitches and volumes.

Detailed explanation-2: -By 24 months (two years), 50 to 75% of speech should be intelligible to familiar people. By 36 months (three years), 75 to 100% of speech should be intelligible to familiar people. By four years of age, a child should usually be understood, including by people who are unfamiliar to them.

Detailed explanation-3: -Also call the doctor if your child’s speech is harder to understand than expected for their age: Parents and regular caregivers should understand about 50% of a child’s speech at 2 years and 75% of it at 3 years. By 4 years old, a child should be mostly understood, even by people who don’t know the child.