The obtained value of t, for a correlated samples t test, is 2.201, on 10 degrees of freedom. This is significant at the .05 level, two-tailed.

People with dementia often show difficulty with abstract thinking. Which of the following questions to a person with dementia would help to demonstrate this difficulty?

a. "What time is it?" b. "What was the name of your first grade teacher?" c. "Why are a baseball bat and a hockey stick alike?" d. "What would you like to have for supper tonight?"

Under which circumstances might a doctor recommend that a breastfed infant be given nutritional supplements?

A) If the mother wishes to promote faster-than-average growth of her infant B) If the baby is more active or energetic than most babies C) In order for the nursing mother to reduce her own nutritional intake and lose weight more quickly D) If the infant is preterm