Suppose a sample of children reported how many voices they heard in their heads on a particular day, and that hearing voices was a relatively uncommon experience. In this case the mode
a. will show that the most common number of voices heard is zero.
b. will tell us nothing about the children who do hear voices.
c. both a and b
d. none of the above
C
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The role of statistics in science is to _____
a. make research results understandable only to other scientists b. decrease the likelihood of plagiarism and scientific dishonesty c. increase the precision of the reported observations d. all of these
Dynamic system theorists regard development as
A) a single, continuous line. B) stagewise. C) a web of fibers branching out in many directions. D) static.
The hormonal dimension of sex is defined as the predominance of _____ for females, and _____ for males.
A. testosterone; estrogens B. estrogens; androgens C. progesterone; estrogens D. testosterone; androgens
On a discrimination training task with pigeons, key pecks are reinforced in the presence of the _____ and not in the presence of the _____
A) ?S?; SD B) ?SD; SR C) ?SR; SP D) ?SD; S?