What Is the Primary Limitation of Using Only Two Levels

question 11

Multiple Choice

What is the primary limitation of using only two levels of a factor in a two-factor between-subjects design?​

• A)​It is simple to interpret.
• B)​It increases the chances of demonstrating a significant mean difference.
• C)It tends to reduce the differences between the groups.
• D)​It may not provide a complete picture of how the factor affects the dependent variable.

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Definitions:

Consistency

This term often refers to the characteristic of behaving in a similar manner over time, showing reliability in actions, values, or methods.

Observations

The act of carefully watching and noting phenomena as a part of scientific research or casual study.

Archival Research

A research method involving the examination of historical documents, records, and other archival materials to study trends, changes, and outcomes over time.

Naturalistic Observation

A research method in which subjects are observed in their natural environment without any manipulation by the researcher.