The mean of a distribution of differences between means is equal to
A) 0
B) 1
C) the difference between the sample means
D) the weighted average of the sample means
A
Psychology
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Examining worldwide trends in smoking shows that smoking
is increasing worldwide, including in North America. is increasing worldwide while decreasing in North America. trends have remained the same for the past 10 years. is decreasing worldwide.
Psychology
Freddy is looking for his girlfriend in a large crowd of people. Because he is so focused on finding her, he fails to notice when a man in a clown costume walks right up next to him. This is an example of ______________
A) a feature detection failure B) sensory overload C) sensory adaptation D) inattentional blindness
Psychology