What is the correct definition of statistical power?
A. There is a strong difference due to chance
B. The probability of rejecting the null hypothesis where it is in fact false
C. There is a weak difference due to chance
D. The probability of rejecting the null hypothesis where it is in fact true
Answer: B. The probability of rejecting the null hypothesis where it is in fact false
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The debate among theorists about the relative importance of biological predispositions and environmental influences is known as the _____ in development
a. nature/nurture issue b. continuity/discontinuity issue c. active/passive theme d. holistic approach
Fred is overweight and continually overeats. He abuses alcohol, smokes and bites his nails. Freud would theorize that these behaviors are likely the result of
a. an anal fixation. c. an oral fixation. b. regression to the phallic stage. d. a failure to resolve the Oedipus conflict.
Which statement best summarizes Sternberg’s view concerning the fragmentation and unification of psychology?
a. Fragmentation might be halted by using multiple methods to study psychological phenomena. b. Unification of psychology requires consideration of interdisciplinary matters. c. Because of the range of topics psychology studies, unification is of little benefit. d. While unification is of interest in the physical sciences, it is not of interest in the social sciences.
Felix collected convincing experimental data suggesting that cigarette smoking causes lung cancer. He therefore concluded that exposure to air pollution does not cause lung cancer. Felix has failed to appreciate the principle of:
A) spurious variables B) equifinality C) induction D) covariation