Why Do Researchers Change Only One Variable at a Time

question 116

Multiple Choice

Why do researchers change only one variable at a time in single-case experiments?

• A) There are not enough participants to change multiple variables at once.
• B) There is increased external validity when only one variable is changed at a time.
• C) Changing multiple variables at once creates confounds in the experiment.
• D) The statistical techniques required to analyze the data are very complex when more than one variable is changed at a time.

Evaluate evidence relevance in theories concerning hormones like oxytocin.

Assess the replicability of research findings in biopsychology, particularly those related to physical traits and behaviors.

Understand the cause-and-effect relationships between biology and behavior, including the effects of exercises, drugs, and psychotherapy on hormone levels and brain activity.

Explore the broader functions of hormones like oxytocin beyond their commonly associated behaviors.

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Definitions:

Guided Imagery

A technique involving mental visualization of calming and positive images to reduce stress and improve well-being.

Art Therapy

A therapeutic practice that uses the creative process of making art to improve a person's physical, mental, and emotional well-being.

Psychospiritual Context

A perspective that integrates psychological and spiritual aspects to understand and address issues in one's life.

Sociocultural

Pertaining to the combination of social and cultural factors that influence an individual's behavior, beliefs, and attitudes.