Research data suggests that the amount a child talks is strongly influenced by ______, while ______ determines the words and grammatical constructions a child understands

The word "phobia" comes from the Greek word "phobos," meaning "fear."

Indicate whether the statement is true or false

John and Sue are trying to get their house painted, but neither of them put much time into it. They write a behavioral contract to increase the amount of time they each spend painting. If John spends less than 15 hours painting during the week he cannot watch sports on the weekend, and if Sue spends less than 15 hours painting she cannot go shopping on the weekend. This is an example of a

____________ contract. a. quid pro quo b. two-party c. unilateral d. one-party