Which of the following serves as a prelinguistic form of communication and predicts children's subsequent language development?

When parents ask for and consider their children's feelings and opinions they are

A) engaging in good-enough parenting. B) engaging in democratic communication. C) being permissive and indulgent. D) placing maturity demands on their children.

A group of researchers wanted to determine whether people would help someone in distress more quickly if they were alone. Half the participants were waiting alone in a room when they heard a cry for help, and half the participants were waiting with four other people when they heard a cry for help. The researchers then measured how long it took for help to be offered. In this study, the dependent variable is:

a. the number of other people in the room (0 or 4) b. how long it takes for help to be offered c. how loud the cry for help is d. the age of the participants in the study