Exam 5: Research Design

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The primary advantage of field experiments is that they are conducted in non-naturalistic settings, which allow for tightly controlling extraneous variables.

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Dependent variables are those over which the experimenter has total, direct control; they may be easily manipulated by experimenters.

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What is the purpose of a market tracking study?

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An experiment is defined as:

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An experimental design is a procedure for ensuring that:

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Although laboratory experiments allow for the control of extraneous variables, they cost more and take more time than do field experiments.

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Which of the following symbols represents the measurement of the complex variable in an experimental design?

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Independent variables are those which the experimenter has some control; in other words, independent variables may be manipulated by the experimenter.

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Complex variables are those that have some effect upon the dependent variable, but are not independent variables.

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Your university decides it will create a panel of consumers in your local area. The purpose of the panel is to report the local population's attitudes, preferences, and intentions on a variety of local issues. In the first administration of the panel, the questions asked for voter preferences for an upcoming local election. In the second administration, questions submitted to the panel asked for their attitudes about the quality of the drinking water and air in your area. Which type of panel has your university created?

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Mack Trucks decides to conduct an experiment to determine if a new oil additive actually results in increased fuel efficiency. They find a lab that contains 50 engines that are exactly alike. Mack randomly divides the 50 engines into two groups an experimental group (which has the new oil additive)and the control group (which does not have the new oil additive). They pour the exact same amount of fuel into all 50 engines and time how long each engine runs. Afterward, they average the length of time run by the 25 engines in the control group versus the 25 engines in the experimental group. Which of the following represents the experimental design in this study?

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What type of descriptive research study measures a population at only one point in time?

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Causal research is best utilized to define terms.

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In experimental design nomenclature, an O represents the measurement of the dependent variable.

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A panel of respondents is often used in which type of study?

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Descriptive research consists of exploratory research, primary research, and secondary research.

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If an experiment did not have a representative sample, this would be considered a threat to the experiment's external validity.

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What type of panel should be used in brand-switching studies?

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Which of the following is an objective of research?

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Descriptive studies are conducted to:

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