A Researcher Decides to Run an Experiment to Study the Effects

question 49

Essay

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.

---

Definitions:

New York Stock Exchange

A leading global financial exchange located in New York City, where stocks and securities are bought and sold.

Radical Labor

A movement or approach within labor advocating for deep structural changes to the economic and social system, often focusing on workers' rights and class struggle.

Anticommunist Repression

Measures undertaken by governments or organizations to suppress or eliminate communist ideology and movements.

League of Nations

An international organization established after World War I under the Treaty of Versailles in 1919, intended to ensure world peace but was ultimately unable to prevent World War II.