In an Experiment Concerning the Effect of Auditory Feedback on Accuracy

question 171

Multiple Choice

In an experiment concerning the effect of auditory feedback on accuracy in writing computer programs,one group hears a computer-simulated voice say each character or symbol that they type in as they are writing their programs.The second group does not receive the auditory feedback as they type their program lines.This second group is the ___________ grou

• A)experimental
• B)control
• C)placebo
• D)confederate

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Definitions:

Null Hypothesis

A type of hypothesis used in statistics that proposes that no statistical significance exists in a set of given observations.

Research Hypothesis

A specific, testable prediction about the expected outcome of a study.

Representative Sample

A segment of the population that precisely mirrors the characteristics of the whole population.

Population

The entire group of individuals or instances about whom the research is focused.