In an experiment that tests the effects of exposure to violent television on aggressive behavior, 30 participants view violent programming for 2 hours. Thirty additional participants view nonviolent programming for 2 hours. All participants are then given an aggression questionnaire to complete. Individuals who viewed non violent television are part of the .

Which of the following contributed most to making the items listed in the box

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.

This is the largest and most populous country of the caribbean region. puerto rico dominican republic cuba haiti