An important thing about r2 is that it represents a measure of
a. causal relationships.
b. accountable variability.
c. the correlation.
d. statistical significance.
B
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The word ____________________ literally means movement
Fill in the blank(s) with correct word
According to Maslow's hierarchy of needs, ____________________ needs become activated after one fulfills his or her belongingness and love needs
Fill in the blank(s) with correct word
Archimedes was asked by the king to determine whether the goldsmith in making his crown had cheated the king by substituting cheaper metals. In order to solve this problem, Archimedes first defined the problem and then checked all the known methods for analyzing metals. When he found that all the known methods involved cutting or melting the crown, he was forced to temporarily set the problem
aside. This stage of creative thought in which the problem is set aside for awhile is known as a. orientation. b. illumination. c. preparation. d. incubation.
A teacher wants to find out whether her new method of teaching is effective or not. She decides to compare the exam grade from the current semester from the exam grade from previous semesters. She calculates her t score for the current semester to be .39. What can she conclude from this study?
A. She needs to reject the null hypothesis that the new method is not effective. B. She fails to reject the null hypothesis that the new method is not effective. C. She cannot prove a null hypothesis, so more data are needed. D. You need to know the sample size to make a decision about this study.