For a research study with two levels of factor A, three levels of factor B, and n = 5 in each treatment condition, what are the df values for the F-ratio evaluating the main effect for factor A?
A) ?1, 4
B) ?1, 24
C) ?1, 29
D) ?2, 29
B
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According to Skinner, children learn a language
a. because they possess an innate language acquisition device. b. through imitation, reinforcement, and shaping. c. as the quality of their thought improves with age. d. only when they have reached a certain level of brain maturation.
According to researchers, what is the typical pattern of growth for infants?
A. Gradual and slow growth occurs on a daily basis. B. Long periods of no growth are followed by gradual growth spurts occurring over the course of a week. C. Periods of quick growth (within 24 hours) alternate with periods of gradual growth (within one week). D. Long periods of no growth are separated by short period (within 24 hours) of rapid growth.
Julie provides information to Temea who provides information to Juan who provides information to Julie. This is an example of which type of communication network?
a. Circle b. Chain c. Centralized d. Open
According to the authors, our memory is most like
A) hardened metal. Incorrect. Once you have a memory, it is not permanently stored in one form. It can change or alter over time. B) melting wax. C) an old photograph. D) a tape recorder.