A Focus on Neuroscience Section in the Text Described a Research

question 20

Multiple Choice

A Focus on Neuroscience section in the text described a research study involving participants who learned how to juggle. What was the purpose of the study?

• A)to test the effects of enriched environments on balance and motor skills
• B)to compare the motor skills of jugglers versus nonjugglers
• C)to determine whether learning a new skill caused structural changes in the brain
• D)to determine whether juggling involves primarily the left or the right cerebral hemisphere

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Definitions:

Factorial Design

An experimental design approach that involves investigating the effects of two or more independent variables at multiple levels on a dependent variable.

Main Effect

The direct influence of an independent variable on a dependent variable in an experiment, disregarding the effects of other variables.

Independent Variable

A variable that is manipulated by the researcher to observe its effect on the dependent variable in an experiment.

Factorial Designs

Experimental designs used to explore the effects of two or more variables at the same time, allowing for the analysis of interactions among variables.