A researcher conducts a between subjects study examining how the brain chemical serotonin is related to aggression. One sample of rats serves as a control group and receives a placebo that does not...



  1. A researcher conducts a between subjects study examining how the brain chemical serotonin is related to aggression. One sample of rats serves as a control group and receives a placebo that does not affect normal levels of serotonin. A second sample of rats receives 100 mg of a drug that lowers brain levels of serotonin. A third sample of rats receives 250 mg of a drug that lowers brain levels of serotonin. Then, the researcher tests the animals by recording the number of aggressive responses each of the rats display. You want to see if the treatment had a significant impact on aggression levels.  What statistical procedure would you use to analyze this data and why?

























    Z
    Score Comparing X to a Sample



    One Way Repeated Measures ANOVA




    Z Score Comparing a Sample to a Population



    Two Way Independent Measures ANOVA



    Single Sample
    t



    Pearson Product Moment Correlation



    Independent Measures
    t



    Chi Square Goodness of Fit



    Repeated Measures
    t



    One Way Independent Measures ANOVA






Jun 01, 2022
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