Maggie's fear of flying is treated by exposing her through a headset to a three-dimensional, computer-generated "world" in which she can experience walking onto a plane, being seated, and taking off. This computerized environment that responds to Maggie's head movements is part of a behavioral therapy known as __________

Which of the following is the most accurate statement about the relationship between feeding and comforting behaviors and the development of trusting relationships in infancy?

a. Cultural differences in feeding and comforting are quite wide, but children in all cultures can develop trusting relationships with parents. b. There are almost no differences among cultures in how competent adults feed and comfort infants, although differences in child-care techniques do emerge during the infant's second year of life. c. In cultures in which children are weaned late and they are treated as helpless infants for an extended period of time, children are more likely to develop trusting relationships with adults. d. In cultures in which children are weaned early and they are expected to be independent at early ages, children are more likely to develop trusting relationships with adults.

"The more you save, the less you spend" describes

a. a positive linear correlation. c. no correlation. b. a negative linear correlation. d. a nonlinear correlation.