A distribution of possible sample means is also referred to as the ______.
A. distribution of sample means
B. confidence interval
C. normal distribution
D. significance level
Answer: A
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A Type II error is the probability of
a. finding a difference that is really there. b. finding a difference that is not really there. c. not finding a difference that is really there. d. not finding a difference that is not really there.
According to recent research, brain activity was greater for Americans relative to East Asians when:
A. estimating a line's length relative to the size of a square B. estimating the length of a line C. tracking the movement of a ball in the air D. watching the snake illusion
The Stroop effect occurs when participants
a. are told to divide their attention between colors and shapes. b. try to name colors and ignore words. c. try to select some incoming information based on meaning. d. are told to shadow two messages simultaneously.
Regarding the causes of obesity, scientists would agree that the causes are ____.?
a. ?almost always biological factors b. ?almost always psychological factors c. ?almost always cultural factors d. ?a combination of biological, psychological, and cultural factors