Explain what between-groups variance and within-groups variance are comprised of
What will be an ideal response?
The between-groups variance is comprised of systematic variance (the effects of the independent variable and possibly confounds) and error variance. The within-groups variance is due only to error variance.
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Which of the following is the current theory about why ADHD occurs?
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According to the chapter Some Like It Hotabout personality and situational predictors of aggression, was
there a sex difference in aggressionamong participants from Study 2 (mating competition study)? (a) yes, men were more aggressive (b) yes, women were moreaggressive (c) no, there was not a significant sex difference in aggression (d) only female participants were able to allocate hot sauce in Study 2
Research on the relationship between alcohol and homicide indicates that
A) ?the killer is likely to have been drinking. B) ?the victim is likely to have been drinking. C) ?both victim and killer are likely to have been drinking. D) ?alcohol consumption causes people to commit homicides.
It is difficult to isolate the precise damage caused by illegal drug use during pregnancy because ________.
A. most drug-using mothers refuse to participate in teratology research B. the majority of babies born to drug-using mothers do not survive for more than a few days C. most drug-using mothers stop using illegal drugs during the first trimester of pregnancy D. users often take several drugs and display other high-risk behaviors