Which of the following statements is true for high-visibility clothing? a. high-visibility clothing to reduce insect problems when exercising. b. bright colors work to keep you cooler while exercising. c. high-visibility clothing is important to wear in areas with moving vehicles. d. none of the above select the best answer from the choices provided. a b c d

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.