A Random Sample of Respondents Would Be Distributed Randomly,half to the Experimental

question 75

Multiple Choice

A random sample of respondents would be distributed randomly,half to the experimental group and half to the control group.A pretest questionnaire would be administered to the respondents in both groups to obtain a measurement on attitudes toward Pepsi advertising,brand,and celebrity; only the respondents in the experimental group would be exposed to the TV program containing the Pepsi commercial.Then,a questionnaire would be administered to respondents in both groups to obtain posttest measures on attitudes toward Pepsi advertising,brand,and celebrity.Which of the following experimental design best represents the above scenario?

• A) one-shot case study
• B) one-group pretest-posttest design
• C) posttest-only control group design
• D) static group design
• E) pretest-posttest control group design

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Definitions:

Unusual Results

Events or data points that significantly differ from the bulk of the data or from what is expected.

Null Hypothesis

In statistical hypothesis testing, it is the hypothesis that there is no effect or no difference and is the statement being tested against the alternative hypothesis.

Genetic Characteristics

Attributes, traits, or disorders determined by genes inherited from an individual's parents.

Population Distribution

The spread of different characteristics, such as age or income, among the individuals in a population.