Two experiments were cited about the relation between a motive and the value of an incentive. in one study, a hunger motive was examined to determine if it affected the perceived value of money. in another study, a motive for money was examined to determine if it affected the perceived value of food. what were the general results of these experiments?

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?