Which of the following statements is an example of a theory?
a. Increasing job opportunities will reduce crime
b. Crime rates increased in the past year
c. Poverty is a root cause of illegal drug use
d. Requiring everyone to earn a high school degree will lead to a reduction in crime
Answer: c
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An equivalent time-series design is ___________________
a. an effect of two independent variables operating simultaneously and in combination on a dependent variable. It is a larger effect than occurs from the sum of each independent variable working separately b. experimental designs that lack random assignment or use shortcuts and are much weaker than the classical experimental design. They can be substituted in situations in which an experimenter cannot use all the features of a classical experimental design, but have weaker internal validity c. an experimental design in which there are several repeated pretests, posttest, and treatments for one group, often over a period of time d. a pre-experimental design that has one group, a pretest, treatment, and a posttest. It lacks a control group and random assignment e. an experimental design in which the dependent variable is measured periodically across many time points, and the treatment occurs in the midst of such measures, often only once
The number of hair scales pointing toward the tip of the hair is _____ the number of hair scales pointing toward the hair follicle
a. the same as b. less than c. greater than
Which law placed restrictions on cocaine sales in the United States?
a. The Proprietary and Patent Medicine Act of 1908 b. The Parke-Davis Act of 1904 c. The Harrison Act of 1914 d. The Comprehensive Drug Control Act
Curfews represent a form of ______.
a. problem-oriented policing b. community-based policing c. aggressive law enforcement d. problem solving enforcement