Natasha finds that men speak more often in the classroom than do women, and that this is true both when they are assigned to sit in the front of the room and the back of the room. Natasha's study has found a statistically significant effect for

How does an extreme score in a data set will pull the mean towards that score?

What will be an ideal response?

Events of September 1, particularly the World Trade Center attacks, may be a sound example for what type of memory

a) Episodic memory b) Non-episodic memory c) Procedural memory d) Flashbulb memories

Adolescents were given an opportunity to write about their most important personal values and why they held them. Then ratings of their aggression were obtained from classmates. Results show narcissists

A) were more likely to be aggressive following this exercise. B) were less likely to be aggressive following this exercise. C) who did not engage in this writing assignment were less aggressive. D) were equally aggressive across conditions. E) are notoriously not aggressive and this exercise did not increase their aggression.

Advanced topic: In a factorial analysis of variance, the effect size for each main and interaction effect

A) is the same for each effect. B) is the same number for row and column effects, but different for the interaction effect. C) is different for each row, column, and interaction effect. D) cannot be calculated because only an effect size for the overall combination of main and interaction effects can be calculated.