In describing the psychological properties of sound, decibels provide a measure of the:
a. complexity of sound waves
b. amplitude of sound waves
c. frequency of sound waves
d. length of sound waves
B
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In an example in the text, an independent samples analysis of variance example from a previous chapter was converted to be used in a repeated-measures analysis of variance. Recalculating the F value with a repeated-measures analysis of variance yields an F value that is
a. less than the F value yielded by the independent measures ANOVA. b. greater than the F value yielded by the independent measures ANOVA. c. the same as the F value yielded by the independent measures ANOVA. d. not predictably different from the F value yielded by the independent measures ANOVA.
Recent research on infant cognition suggests that infants as young as three months old appear to know that objects are solid and do not disappear when out of view. This illustrates that infants exhibit which of the following at an earlier age than was once thought?
a. animism b. mastery of conservation c. internal representations d. reversibility
Which of the following accurately describes the attraction of bases between strands of DNA?
a. A pairs with T, and C pairs with G b. A pairs with C, and T pairs with G c. A pairs with G, and T pairs with C d. A pairs with U, and T pairs with G
A human embryo normally undergoes about nine months of ____
a. gestation c. meiosis b. mitosis d. conception