If the null hypothesis is true, what value should we expect for the F-ratio? Why?
What will be an ideal response?
If the null hypothesis is true, we would expect the F-ratio to be 1 or very close to 1 . We expect this because the null hypothesis states that there are no differences between the conditions and this means that the between-groups variance should be about the same as the within-groups variance, thus leading to an F-ratio of about 1.
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When addressed with the school, what did the school do in Felicia's case?
A. They found the bully and dealt with her. B. They conducted bullying seminars to help all of the children. C. They did not see a problem. D. They called the parents of the bully to handle the issue.
Which of the following are true of caffeine withdrawal symptoms?
A. They are permanent. B. They include headaches and fatigue. C. They are often severe. D. They can be safely treated with alcohol.
The sympathetic nervous system is to ____ as the parasympathetic nervous system is to ____.
A. fight; flight B. emergencies; relaxation C. assertiveness; aggressiveness D. striated muscles; smooth muscles
When Keith took piano lessons as a child, it took him three weeks to learn to play the "Moonlight Sonata." As an adult, when he decided to relearn the song to accompany his daughter's performance at a dance recital, it took him only one week. The difference in Keith's learning time is called
A. secondary gain. B. latent learning. C. savings. D. practice.