Which pair of variables should produce a negative relationship?
a. square footage of a house and price of a house
b. number of years of schooling and annual income
c. age of child and verbal skill level
d. speed of running and time to complete a race
d
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Prepositions, conjunctions, helping verbs, and so forth are known as the ____ of grammatical forms.
A. fluent class B. fixed class C. open class D. closed class
The group that receives the manipulation of an independent variable is called the _______________
A) control group B) dependent group C) experimental group. D) independent group
Drew is a male who is sexually attracted to other males. He is
a. heterosexual. c. lesbian. b. homosexual. d. unisexual.
What are common consequences to a child if the mother smoked during pregnancy?
a) increased birth weight and lethargy b) lower birth weight and hyperactivity c) severe hearing loss and heart defects d) severely deformed limbs and muscle spasms