3 rule 703b expert w can testify with respect to

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3. Rule 703(b) - Expert W can testify with respect to mental state or condition of a D in a  criminal case, but MAY NOT state an opinion as to whether the D did or did not have  the mental state or condition constituting an element  of the crime or defense. 35
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4. Expert cannot just report opinion of others whom she considers reliable.  Expert must  offer own  opinion.  (p. 699, n.4)  But if other opinion is reliable, e.g. info on doctor's  chart, it may be allowed.  Prob. 9-C (p.697).   C. SCIENTIFIC EVIDENCE 1. FRE 702 provide new standard for admitting scientific evidence. NOT CLEAR WHAT  THIS NEW STANDARD IS. a. Should ask if theory or technique has been tested. b. Should ask if theory or technique has been subjected to peer review and publication. c. Ct can consider known or potential rate of error. d. Ct can look to "general acceptance."  Daubert 2. Rules overrule traditional Frye  test for scientific evidence: if principle on which it is  based is sufficiently established to have general acceptance in the field to which it  belongs."  Daubert  (p. 376, supp). 3. Scientific evidence is admitted or not by judge based on Rule 104(a). 4. Advantages to new rule a. This allows ct to take advantage of new technology. b. Opposing party can challenge admissibility of this evidence through rigorous cross- x. 5. Criticism of new rule - Instead of letting scientific community decide what is reliable  under Frye , this power is given to judge. IX.BURDENS OF PROOF AND PRESUMPTION  (p. 749) A. CIVIL CASES 1. Pleading Burden - Party has burden to articulate issue in pleadings. 2. Burden of Production - Party runs risk of losing if she does not offer sufficient evidence  to enable a reasonable person to find in her favor.  a. Judge asks: Could a reasonable person find or infer that each of the elements of issue has been proven by the requisite level of belief?  Judge does not ask if he/she  believes it.   b. Can test this burden through motion to dismiss or summary judgment. 3. Burden of Persuasion - Party can win only if evidence persuades the trier of the  existence of the facts that she needs in order to prevail.   36
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a.  No way to test this other through letting jury decide. 4. Allocation of Burdens - decided by statute. a. Serve substantive policy making it easier for harder for plaintiffs to recover or  defendants to avoid liability. b. Recognize what is most probably true.
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