To assess the presidential candidate preferences of the registered voters in Maricopa County, a researcher classifies the voters by social class and age. The researcher randomly selects voters from each subgroup according to its proportion in the entire county. This sampling technique is called _____ sampling.
Fill in the blank(s) with the appropriate word(s).
stratified random
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In his early work, Freud described two different types of human instincts. They included _______.
A.conscious and unconscious. B.normal and neurotic. C.life instincts and death instincts. D.manifest instincts and latent instincts.
Which of the following is in the best order regarding the age of first appearance of pubertal events for a typical boy?
a. Growth of testes, spermarche, initiation of growth spurt. b. Initiation of growth spurt, growth of testes, spermarche. c. Growth of testes, initiation of growth spurt, spermarche. d. Growth of penis, growth of testes, spermarche.
Heredity does not appear to influence how much social support people have
Indicate whether the statement is true or false
Major depression cannot be diagnosed if a person shows a history of ______
a. anxiety disorder c. dysthymia b. personality disorder d. mania