About three million new cases of which of the following are estimated to occur each year in the United States, only about half of which are reported?

In which of the following examples is the person likely to show the highest, and very steady, rate of response over time?

a. ?In hopes of winning a big jackpot, Penny plays the slot machines at a nearby casino. b. ?Sam earns extra money by mowing his neighbors’ lawns in the summer and shoveling their driveways and sidewalks in the winter. He charges $20 per job. c. ?Hoping to catch a message from her boyfriend, Wendy checks her e-mail again and again throughout the day. d. ?Jaime has a paper due once a month in his sociology course. His productivity is low at the beginning of the month and high as the deadline approaches.

Children grow in a continuous pattern with the same amount of growth every week until 2 years of age

Indicate whether the statement is true or false