Many textbooks (though not this one) advocate testing the mean of a sample against a hypothesized population mean by using z even if the population standard deviation is not known, so long as the sample size exceeds 30. Those books recommend this because
a. they don't know any better.
b. there are not tables for t for more than 30 degrees of freedom.
c. the difference between t and z is small for that many cases.
d. t and z are exactly the same for that many cases.
C
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Paramount among the factors that contributed to the demise of Wundtian psychology was World War I and the economic crisis that followed it.?
a. True b. False
Which portion of the central nervous system serves as the link between the brain and the peripheral nervous system?
a. The forebrain b. The lower brain c. The midbrain d. The hindbrain e. The spinal cord
Robert Siegler investigated the type of information that a child takes in during a problem-solving task and also what strategies he or she formulates when attempting to solve the problem. Siegler called his model the _____ approach
a. rule assessment b. fuzzy-trace c. autobiographical d. method of loci
The misinformation effect occurs when a person's memory for an event is modified by misleading information presented
a. before the event. b. during the event. c. after the event. d. all of the above