Why is it useful to know how a variable is distributed?
What will be an ideal response?
Ans: It is a very powerful thing to know how a variable is distributed. For example, if you know how income is distributed in a population, you can determine the proportion of the population with an income above or below yours. If you know how intelligence (IQ) is distributed, you can determine the proportion of the population with an IQ above or below yours. If you know how GPAs are distributed, you can determine the proportion of the population
with a GPA above or below yours.
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Which best describes the relationship among teen employment, ethnicity, and social class?
a. European-American teenagers are least likely to be employed. b. Adolescent employment is becoming more common among middle-class youth. c. High SES teenagers are most likely to be employed and work the most hours. d. Teenagers of all racial, ethnic, and social class backgrounds are equally likely to be employed.
An important characteristic that specifically identifies the decision theory approach to quality of life assessment is that it
a. provides separate measures for different dimensions of quality of life. b. asks respondents to choose from alternatives to determine what their quality of life is. c. is based upon subjective ratings by physicians. d. attempts to weight different dimensions of health.
Research into reconsolidation of memories in people who have PTSD has focused on the ________ aspects of memory.
A. episodic B. visual C. emotional D. systemic
Which observation has provided support for localization?
A. Spurzheim's measurements of skull bumps correlated with behaviors B. Lashley's theory of equipotentiality C. Broca's autopsy of the patient who lost the ability to speak D. Galvani's animated frog leg