How Can Variance Be Reduced in a Between-Subjects Design?​

question 20

Multiple Choice

How can variance be reduced in a between-subjects design?​

• A)​Use counterbalancing.
• B)​Use a factorial design adding a participant variable (such as age) as a second factor.
• C)Use a factorial design with the order of treatments as a second factor
• D)​Reduce the strength of the treatment.

---

Definitions:

Empirical Question

A question that can be answered through observation, experimentation, or other data gathering methods.

Civil War

A war between groups within the same country or state, often characterized by intense violence and lasting social and economic impact.

Life on Planets

The existence or possibility of living organisms inhabiting planets other than Earth.

Scientific Investigation

A systemic process that involves the collection and analysis of data to generate knowledge, confirm findings, or solve problems, based on empirical or measurable evidence.