Ryan wanted to see the effect of a man playing with preschoolers on the children's noisiness. so, he went to one preschool for a week and played with the children during breaks. at the end of the week, he measured their noisiness. for comparison purposes, he found another preschool across town and measured their noisiness as well to see the effect of playing with the children. which design does this example reflect?

Which principle underlies the idea of limited govemment?

What is the role of communication within groups of people with different backgrounds?

Karin bought illegal firearms at a gun show. at her trial, she alleged that she had committed this crime because her boyfriend had threatened to harm her and her two daughters if she did not. her lawyer asked the judge to instruct the jury that the prosecution had an obligation to prove beyond a reasonable doubt that karin had acted freely. instead, the judge told the jury that karin had the burden of proving duress by a preponderance of the evidence. who is correct?