Experimental psychology. Experimental psychology refers to work done by those who apply experimental methods to psychological study and the processes that underlie it.
1 Baby talk at 18 months. 2  Babies at this age say up to 10 simple words and can point to people, objects, and body parts you name for them. 3  They repeat words or sounds they hear you say, like the last word in a sentence. Baby talk at 12 months. 2  Most babies say a few simple words like mama and dadda by the end of 12 months -- and now know what they're saying.
Babies understand what you're saying long before they can clearly speak. Many babies learning to talk use only one or two words at first, even when they understand 25 or more.You can help your baby learn to talk if you: 1  Watch.2  Your baby may reach both arms up to say she wants to be picked up, hand you a toy to say she wants to play, or push food off her plate to say she's had enough.any babies learning to talk use only one or two words at first, even when they understand 25 or more. You can help your baby learn to talk if you: 1  Watch. 2  Your baby may reach both arms up to say she wants to be picked up, hand you a toy to say she wants to play, or push food off her plate to say she's had enough.