In the Study Depicted in the Figure Above, How Could

question 1

Multiple Choice

In the study depicted in the figure above, how could a researcher transform the study into a within-groups design?

• A) Adding a control group
• B) Removing the first blood pressure measurement
• C) Adding another independent variable
• D) Having participants play both the competitive game and the noncompetitive game

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Definitions:

Confidence interval

A range of values, derived from sample data, that is believed to contain the true value of a population parameter with a certain probability.

SAT scores

Scores resulting from the Scholastic Assessment Test, a standardized test widely used for college admissions in the United States.

Margin of error

The amount of error that can be tolerated in survey or poll results, often used in describing the accuracy of a confidence interval.