PSYC 3020 Lecture Notes - Lecture 7: Monoamine Oxidase A, Internal Validity, Empowered
8 Apr 2018
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La on exam can be from previous chapters but all of what you have learned. Mock jurors and juries: mock jurors answer questions about the case and provide a verdict. Individual and group formats: variables systematically manipulated, brief, less complex than real trials with minimal consequences. Questions about generalizability referred to as external validity. Internal validity of experiments draws from ability to isolate cause-and-effect. Example: gordon & greene (2017, assessed impact of gene-environment evidence (maoa genotype) in sentencing phase of capital trial, conditions: mitigating evidence (gxe; e alone; none) x future dangerousness (low vs. high) 600 mock jurors read sentencing phase evidence in capital murder trial, rendered individual verdicts: half deliberated as juries to decide between death and life imprisonment. Results: no impact on evidence condition; more likely to sentence death in high risk condition; sentencing preferences more lenient ager jury deliberation. Examined factors that predicted judge and jury verdicts in over 1000 cases involving child sexual abuse between.
