Which of the following is not an advantage of a stratified random sample?
a) Representativeness of relevant variables is assured
b) No prior knowledge of population is needed
c) Sampling error is reduced
d) Selection is made from a homogenous group
b
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Is it appropriate to develop a speech topic based on something you heard on a
television talk show? a. No; using televised information for a speech topic is a form of plagiarism. b. No; most topics discussed on talk shows are inappropriate speech material. c. Yes, but you have to address the topic the same way the talk show did. d. Yes; brainstorming ideas from a television program is a good way to develop a topic.
____ allow you to search a library's holdings from a computer terminal. The Dialog Information Retrieval Service (DIRS) is a widely used example
A) Indexes B) Databases C) Search engines D) Print reference works E) Websites