Campbell's "Reforms as Experiments" Article Includes a Description of an Evaluation

question 15

Multiple Choice

Campbell's "reforms as experiments" article includes a description of an evaluation of a state police crackdown on speeding in Connecticut. In conducting this study, Campbell used

• A)an interrupted time series design, with comparisons made to similar states
• B)a simple one-group interrupted time series design
• C)a nonequivalent control group design, with comparisons made to similar states
• D)a pretest posttest design (no control group)

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Definitions:

Cottage Cheese

A fresh cheese curd product with a mild flavor, characterized by small to large curd sizes.

Ice Cream

A frozen dessert typically made from dairy products, such as milk and cream, and often combined with fruits, flavors, or other ingredients.

Moisture Level

The amount of water present in a substance, often expressed as a percentage of the substance's total weight.

Significance Level

A threshold used in hypothesis testing that determines the probability of rejecting a true null hypothesis.