The Pearson correlation coefficient is used for data that are measured on a ______ scale of measurement.
A. nominal
B. interval
C. ratio
D. interval and ratio
Answer: D
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Lithium carbonate is most frequently used to treat:
a. bipolar disorder b. depression c. schizophrenia d. all of these choices
Aside from acquiring more psychological knowledge, what is another goal set upon the readers by the authors?
a. Spreading the message to other people. b. Ensuring that positive psychology survives the 21st century. c. Diminishing their own weaknesses. d. Becoming more skilled at capitalizing their own strengths.
The Food and Drug Administration requires __________ before it will allow the marketing and sale of new drugs
a. double-blind studies c. surveys b. psychological testing d. patient approval
In their research on concept recognition, Rips, Shoben, and Smith found
a. that retrieval time is not a useful means of measuring concept formation. b. that all people organize their conceptual scheme of the world hierarchically. c. the Collins and Quillian model of concept organization. d. that people's system for classifying concepts is not as simple as the Collins and Quillian model suggests. e. that the Collins and Quillan model was applicable to natural concepts but not to abstract concepts.