In a Nonequivalent Control Group Study

question 45

Multiple Choice

In a nonequivalent control group study,

• A)the experiment group gets a pretest, then the experimental treatment, then a posttest
• B)subjects have to be assigned to the control group by means of a matching procedure
• C)to interpret the results, the pretest scores have to be identical for the two groups
• D)random assignment can be used if sample size is large enough

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Definitions:

Margin Of Error

The amount of inaccuracy allowed in the results of a survey or poll, often expressed as a percentage.

Public Opinion Survey

A method used to measure the opinions or attitudes of a population regarding specific issues or policies.

Simple Random Sample

A sampling method where each member of a population has an equal chance of being selected, ensuring that the sample represents the population accurately.

Pollsters

Professionals who conduct surveys or polls to collect public opinion data on various subjects, often related to politics or consumer preferences.