An Increasing Number of Researchers Are Conducting Experiments Over the Internet

question 46

Multiple Choice

An increasing number of researchers are conducting experiments over the Internet because of the advantages it affords. Which of the following is NOT a disadvantage of using the Internet to conduct and experiment?

• A) the experiment is brought to the participant instead of the participant coming to the experiment
• B) there is a less experimental control
• C) there is a greater probability of self-selection
• D) there is a greater probability of dropout of participants

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Definitions:

Confidence Interval

A range of numerical values, calculated from analysis of sample data, which is likely poised to include an unidentified population parameter.

Confidence Interval

A statistical range, derived from sample data, that is likely to contain the true population parameter with a specified level of confidence.

Sample Size

The number of observations or data points collected in a sample.

Variable

An element, feature, or factor that is liable to vary or change.