Between 12 and 18 months, toddlers first become capable of

A randomized clinical trial is a study in which __________.

A. all subjects are treated the same, to see what percentage of the total gets better, what percentage stays the same, or what percentage gets worse B. people are assigned to different types of treatment in alternating alphabetical order, to see which treatment is best C. people go through different treatments in random order, to see which one works best D. people are assigned to different groups based on a flip of the coin; one half goes to a treatment group and the other to a seemingly identical placebo group

Which of the following is an episode of partner abuse that involves the use of physical coercion to force a person to engage in a sexual act against his or her will?

A) Intimate partner abuse B) Assault C) Sexual violence D) Battery