Suppose that an examination was hard and most students received extremely low grade on it. This is an example of _______.
A. negative skew
B. positive skew
C. equal distribution
D. symmetrical distribution
Answer: B
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Explain why it is difficult for epidemiologists to get an accurate picture of the number of cases of dementia, and the types of dementia, in the U.S. population
Answer:
Max has the need to master difficult challenges, outperform others, and meet high standards for excellence. According to researchers such as McClelland, Max MOST likely
a. has high affiliation needs. b. is high in achievement motivation. c. is low in achievement motivation. d. has a high fear of failure.
Before choosing which experiment condition a participant belongs in, the researcher flips a coin. What is the researcher likely doing?
A. eliminating all confounding variables B. assigning the participant to the control group C. assigning the participant to the experimental group D. randomly assigning the participant to a condition
In Lady Macbeth, who washed her hands repeatedly until they were red and raw, Shakespeare provided an example of __________
a) major depressive disorder. b) generalized anxiety disorder. c) a specific phobia. d) obsessive-compulsive disorder.