The stage of late adulthood begins at age ____

Because of fast mapping, a preschooler

needs several experiences with a word to learn it. grasps the meaning of words describing emotions. has a clear understanding of all the words he uses. learns some words after a single exposure to them.

Antonio is investigating the best method for using what is known about persuasion to develop an effective anti-littering campaign in his town and county. This is an example of _____ research

Fill in the blank with correct word