When a distribution of scores or measurements is such that it assumes the shape of bell and is symmetrical (of similar shape on either side of the center), it is called a ______ distribution.
a. normal
b. skewed
c. regular
d. irregular
Answer: a. normal
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Which of the following precursor behaviors was most likely to immediately precede begging behavior in Exercise 50?
a. The cat jumped onto your shoulder or into your lap. b. The cat responded immediately to the sound of the clicker. c. The cat raised its head higher and higher off the ground. d. The cat was sitting with its front paws off the ground.
Klinefelter's syndrome can be effectively treated with:
A. testosterone given at birth B. testosterone given at puberty C. estrogen given at puberty D. estrogen given at birth
Dual-earner households refer to families that earn twice as much as other similar households
Indicate whether the statement is true or false
African American teens from lower- and working-class families with friends who ________ in problem behaviors and with parents who exert ________ control over them are likely to show the most behavior problems
a. engage in; a great deal of c. engage in; very little b. rarely engage in; a great deal of d. rarely engage in; very little