When we are concerned about the measurement scale, we are concerned about
a. the numbers we have collected.
b. the underlying concept which we are trying to measure.
c. the interpretation we can give to our resulting statistics.
d. both the underlying concept and our interpretation of them.
D
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The direction of a relationship between two variables is indicated by the ____ of the correlation coefficient
a. number b. mode c. sign d. median
A researcher examines the number of "family-size" products on supermarket shelves in America and France, and concludes that Americans prefer larger-sized portions than do the French. A second researcher concludes that the number of members in a typical family is larger in American than in France. These different interpretations indicate that
A. both researchers are wrong. B. the researchers are making inferences about controlled-use traces. C. the validity of unobtrusive measures must be examined carefully. D. time sampling should have been used.
"I've been feeling down for a long time now. I guess that's just the way I am.". This comment best illustrates:
a. bipolar I disorder c. major depression b. dysthymic disorder d. seasonal affective disorder
Although lab rats may not experience visual hallucinations, drug discrimination studies in rats trained to discriminate psilocybin find that…
a. hallucinogens and antipsychotic drugs are substitutes for psilocybin. b. most drugs, no matter the class, are substitutes for psilocybin. c. other hallucinogen drugs are substitutes for psilocybin. d. antagonists for 5-HT2A receptors are substitutes for psilocybin.