If we do an inferential statistical test that exceeds the .01 level of significance, we can say that
A) there is a real difference between the samples.
B) the samples are not significantly different statistically.
C) the chances that the samples came from the same population are small.
D) the chances that the samples came from different populations is small.
C
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To evaluate a person for possible brain damage, a neuropsychologist gives the person a visual memory test and a reading test. To compare the person's performance across these two tests, what should the neuropsychologist do?
a. Graph the raw score distribution for each test on the same graph. b. Calculate a z-score for each test. c. Calculate z-scores for the sample means. d. Find the simple frequency of the person's raw score for each test.
The term ______ is often used synonymously with emotion and refers to the outward expression of an emotion
a. affect c. extroversion b. empathy d. temperament
A deviation IQ score of 164 falls how many standard deviations above the mean?
a. 0 b. 1 c. 2 d. 3 e. 4
People often express parts of two or more emotions plus a posture or gesture that doesn't fit with either of them. What does this observation imply?
a. Emotional feelings result from our perception of the body's activity. b. Most emotional expressions occur involuntarily c. We should be skeptical of the idea of a few basic emotions. d. All emotions depend on the same areas of the brain.