Answer the following statement(s) true (T) or false (F)
Simple random sampling is generally considered more efficient than stratified random sampling because it ensures representation from all levels of a given characteristic of interest.
Ans: F
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If you try to persuade your parents to pay for you to take a two-week tour of Europe next summer, you would MOST likely be successful if you first
a. ask for an all-expenses-paid six-week tour. b. ask for an all-expenses-paid one-week tour. c. explain that the trip will be beneficial to you as a European history major. d. promise to work "extra hard" in your courses next semester.
A person who avoids thinking about their problems-or directs their attention to something else-is using:
A. problem-focused coping B. an internal locus of control C. emotion-focused coping D. an external locus of control
An advantage of maintaining a constant body temperature is that it ____
a. enables an animal to stay equally active at all environmental temperatures b. enables an animal to survive on a wider variety of diets c. minimizes the energy that must be expended on basal metabolism d. enables an animal to detect changes in the temperature of the environment
Which statement about the immune system is correct?
Males tend to have a stronger immune system than females. Women tend to have stronger immune systems than do men. The vulnerability of AIDS patients to diseases that are normally reserved for young children is evidence of the relation between a weakened immune system and aging. The immune system gets stronger throughout life as people are exposed to more types of invaders.