Experiments known as distractor studies have found most of the evidence supporting ______ theory

At the age of 15 months, Carla repeatedly cries "hoy" when she wants her mother to hold her. Carla is most likely in the ________ stage of language development.

a. syntactic b. babbling c. telegraphic speech d. echoic e. one word

Why is the ability to maintain attention especially important in middle childhood? Because ____

a. the environment becomes more dangerous b. parents expect their children to be able to understand and accomplish simple directions and tasks c. that is when children enter school d. they are able to leave their yards and must remember how to return back home