When using tests of statistical significance, which of the following gives the odds that the observed difference was due to chance?
a. percent variance
b. coefficient of correlation
c. probability
d. standard deviation
C
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At what point in the embryonic stage of prenatal development does the nervous system begin to function?
A. 2nd week B. 5th week C. 4th week D. 8th week
Which of the following is NOT an advantage of intraspecific aggression?
a. encourages mobbing behavior b. spreads animals out c. strongest animals get best territories d. protects young from predators
According to most experts in the field, what is the primary purpose of language?
A. control B. communication C. identification D. isolation
Far greater intergenerational continuity in adolescent parenting occurs when teenage __________
A) fathers are involved in child rearing B) mothers marry their child’s father C) mothers remain unmarried D) fathers have sons