A Researcher Used an Expectancy Control Design in Her Study

question 23

Multiple Choice

A researcher used an expectancy control design in her study of the effectiveness of a new teaching method. Students were randomly assigned to conditions, and the following group means were found (where higher means reflect better performance) : Assuming that all of the differences are statistically significant, what can the researcher conclude?

• A) The old teaching method is more effective.
• B) The condition with the expectation that the method does not work performed better.
• C) The new teaching method, combined with the expectation that the method works, performed the best.
• D) Expectations did not have an impact on student performance.

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