Carol meets andy and brad outside of her psychology classroom. both young men smile at her, but when brad smiles, he used only his mouth, whereas andy also has crinkles in the corner of his eyes. carol feels that only andy is genuinely happy to see her because andy has displayed a, whereas brad has used a

The people of are overwhelmingly arab but are divided by religion.

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases.protect researchers from disclosing conflicts of interest.prevent subjects from knowing the purpose of a study.protect identifiable research information from compelled disclosure.

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?