Depending on the selection process you choose, ______ sampling technique might accidentally overselect students at cheaper or more costly schools and bias your sample.
A. simple random
B. convenience
C. cluster
D. stratified random
Answer: A
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The irrational functions are:
a. intuition and feeling b. sensation and intuition c. thinking and feeling d. thinking and sensation
Generalizing from statistics reported in the text, you should conclude that the percentages of young adults in which of the following groups changes the LEAST between the ages of 20 and 35?
a. percent who remain single b. percent who live with their spouse c. percent who live alone d. percent who live with others, including parents
Which of the following statements about a sensitive period for mastering musical performance skills is true?
A) The sensitive period for mastering musical performance is birth to 2 years of age. B) The sensitive period for mastering musical performance is 2 to 3 years of age. C) The sensitive period for mastering musical performance is 3 to 5 years of age. D) No evidence exists for a sensitive period in the first few years of life for mastering musical performance skills.
Separation anxiety generally appears
A. at the time when infants begin to prefer human to nonhuman stimuli. B. at the time when infants begin to express a preference for familiar people. C. when the child forms his or her first genuine attachment. D. toward the end of the preoperational period.