Which of the following statements is true about standard deviation?
A. It is simply the difference between the highest score and the lowest score.
B. It tells one what the sample as a whole, or on an average, is like.
C. It is calculated by multiplying the variance of the given data with its range.
D. It becomes larger as more people have scores that lie farther from the mean value.
Answer: D
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Men tend to be rated less positively when they are seated next to an obese woman than when they are seated next to an average-weight woman. This tendency is known as ____
a. prejudice contagion b. stigma by association c. the discontinuity effect d. the social context bias
To control the rat population in urban settings, the health department scatters bags of corn and molasses laced with poison. Many rats who survive temporarily become very sick. Then, the surviving rats never eat the bait again. What is this an example of?
a. higher-order conditioning c. observational learning b. spontaneous recovery d. taste aversion
About ________ of adolescents regularly engage in vigorous exercise
A) 25% B) 10% C) 70% D) half
When you are faced with a dangerous or threatening situation, your adrenal glands release stress hormones such as adrenaline into the bloodstream. Subsequently, there are increases in your blood pressure, heart rate, respiration, and perspiration
This reaction is known as the ________. a. Stockholm Syndrome b. Peter principle c. fight-or-flight response d. Phi phenomenon