A researcher decides to run an experiment to study the effects of two independent variables on learning She will vary background noise by playing or not playing a radio while subjects study a list of words She will vary the length of the list to be learned: Half the subjects will try to learn a short list; half will try to learn a long list in the same amount of time.The dependent variable is the percentage of words recalled.Take this hypothetical experiment and do the following:
a.Describe the experiment using shorthand notation for factorial designs.
b.Diagram the experiment using a design matrix.
c.Identify three extraneous variables you think might affect the outcome of this
study.

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The Answer of A researcher decides to run an experiment to study the effects of two independent variables on learning She will vary background noise by playing or not playing a radio while subjects study a list of words She will vary the length of the list to be learned: Half the subjects will try to learn a short list; half will try to learn a long list in the same amount of time.The dependent variable is the percentage of words recalled.Take this hypothetical experiment and do the following:
a.Describe the experiment using shorthand notation for factorial designs.
b.Diagram the experiment using a design matrix.
c.Identify three extraneous variables you think might affect the outcome of this
study.

A Researcher Decides to Run an Experiment to Study the Effects