Ken knows that the radius of a circle is 5 feet, but he needs to calculate the diameter. The most effective solution strategy he can use involves a(n) ________

Helen was just discharged from a public mental health facility. She went to live with a group of other former patients in a group-living arrangement. There were staff members to help out but the former patients controlled most of the day-to-day activities. Helen's living arrangement is a:

A) day center. B) halfway house. C) short-term hospital. D) sheltered workshop.

Which of the following represents a common bias found in the research regarding social networks and older adults?

A) The research has focused mostly on women. B) The research has focused mostly on men. C) The research has focused more on the quality and quantity of social networks than on the health benefits. D) The research tends to focus more on the frequency of contact than the quality of the relationships.