An experimenter conducts an experiment on the effects of a drug to control hallucinations. The experimenter declares the results to be "statistically significant," which means that
a. even though appropriate statistics were used, no differences could be detected between the experimental and control groups.
b. the results have important implications for theory or practice.
c. differences of this size between the experimental and control groups would occur by chance only five times out of 100 (or less).
d. differences between the experimental and control groups were so large they could never occur by chance alone.
C
You might also like to view...
One of Chomsky's most persuasive arguments for refuting Skinner's theory of language acquisition was his observation that children
A. produce sentences they have never heard. B. show similar language development across cultures. C. are rewarded for using correct language. D. learn to follow complex language rules, even though they are not aware of doing so.
Who was one of the first to systematically study the effects of drugs on various cognitive and behavioral functions?
a. Witmer b. Wundt c. Kraepelin d. Hippocrates
Which visual capacity do infants develop first?
a. following a moving light with their eyes b. focusing on objects at a distance of 12 feet c. color vision d. depth perception
Does cognitive development precede language development or does language development precede cognitive development?
What will be an ideal response?