Dielectric and optical properties of liquid crystalline side chain polymers. A MNDO-analysis

Semiempirical quantum mechanical MNDO-calculations were performed on side chain liquid crystalline polymers to predict their electronic properties and thus their anisotropic dielectric and optical properties. These predictions are compared with the corresponding experimental results. The conclusion is that the predictions are sufficiently accurate, which suggests to use such methods for screening potentially interesting polymer liquid crystals prior to synthesizing them.     

How Jurors Use and Misuse Character Evidence.

The Federal Rules of Evidence allow defendants to offer testimony about their good character, but that testimony can be impeached with cross-examination or a rebuttal witness. It is assumed that jurors use the defense's character evidence (CE) to form guilt and conviction judgments but use impeachment evidence only to assess the character witness's credibility. Two experiments tested these assumptions by presenting mock jurors with various forms of CE and impeachment. Participants made trait ratings for the character witness and defendant and guilt and conviction judgments. Positive CE did not affect guilt or conviction judgments, but cross-examination caused a backlash in which judgments were harsher than when no CE was given. Using path analysis, the authors tested a model of the process by which CE and impeachment affect defendant and witness impressions and guilt and conviction judgments. Implications for juror decision making are discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Persuasiveness of in-group and out-group political messages: The case of negative political campaigning.

Two experiments investigated the processes underlying evaluation of in-group and out-group political messages from candidates involved in a negative political campaign. The effectiveness of different types of attack messages depended on (a) the political affiliation with the source and target of an attack message and (b) the justification provided for the attack. Experiment 1 demonstrated that the content of the attack messages affected evaluations of an in-group candidate but not of an out-group candidate. Experiment 2 indicated that the use of "apparent justification" for attack messages resulted in more positive evaluations of an out-group source but diminished preference for an in-group source. The results indicate that although participants were sensitive to message content from both in-group and out-group sources, less stringent criteria were used when evaluating out-group political messages that when evaluating in-group political messages. (PsycINFO Database Record (c) 2010 APA, all rights reserved)