The ________ is a measure of variability.
A. mode
B. standard deviation
C. mean
D. range
Answer: D
Psychology
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Which one of the following is not a biological cue for hunger?
a. glucose in the blood c. learned associations b. the hypothalamus d. the walls of the stomach
Psychology
From his research, Kagan believes the roots of shyness in children are due to
A) high levels of arousal. B) parental interactions. C) difference in the amygdala and hypothalamus. D) lower heart rates
Psychology
Babies begin to categorize on the basis of two correlated features by _____ months of age
A) 3 B) 6 C) 9 D) 12
Psychology
Which research method is commonly used to study personality over time?
a. experiment b. longitudinal study c. cross-sectional study d. field study
Psychology