People who are ____ tend to report more symptoms of illness

Which of the following statements about physical development in middle childhood is true?

a. The incidence of myopia decreases. b. Ear infections are more likely than they were earlier in the life span. c. Girls are usually taller and heavier than boys. d. Girls and boys are more likely to be slim than at any other time.

Using the fact that measures of the personality trait of thrill-seeking are related to accident proneness in order to select safe workers is an example of which approach to safety?

a) ergonomics b) personnel training c) personnel selection d) engineering anthropometry