The chi-square test compares ______ to ______.
A. sample means; population means
B. sample marginal; population marginal
C. observed frequencies; expected frequencies
D. sample frequencies; population frequencies
Answer: C
You might also like to view...
Which of Noam Chomsky's linguistic concepts relates to how the human brain is uniquely and genetically predisposed to comprehend and produce language?
A. infant-directed speech B. nativist retrieval C. language-acquisition device D. universal grammar
According to Bruner, childhood development occurs __________
a. as a progression through well-defined stages, starting with the sensori-motor stage b. as a result of the influence of the culture a child is in, often through language c. through the building of new knowledge on the scaffolding of old knowledge d. in ways that reflect the individual differences among various children
Epinephrine is
A. released by nuclei in the brainstem. B. released by the adrenal glands. C. produced in the central nucleus of the amygdala. D. activated by the basolateral amygdala.
An ABAB design would be appropriate if
a. a researcher is interested in only one dependent variable. b. treatment effects are only temporary. c. a researcher wants to set up a panel study. d. the possibility of cohort effects is high.