Which correlation coefficient is most likely to describe the relationship between brushing one's teeth and the number of cavities one gets?

According to the levels-of-processing model, we are most likely to remember information that we process at what level?

a) deep b) medium c) shallow d) any of these, depending on the information

Four-month-old baby Timmy is playing and smiling at his Dad. Baby Timmy is demonstrating a __________

a) social smile b) nonverbal encoding c) nonverbal decoding d) communication