According to research on stress and health behaviors, approximately what proportion of adults in the United States are not physically active at all?

• A. Three-fourths
• B. One-third
• C. One-half
• D. One-fourth

Answer: (D)

Verified step by step guidance

1. Understand the question is asking about the proportion of adults in the United States who are not physically active at all, based on research related to stress and health behaviors.
2. Recall or review relevant research findings or statistics on physical activity levels among U.S. adults, focusing on the proportion who report no physical activity.
3. Identify the common categories used in such research, such as 'physically active,' 'somewhat active,' and 'not active at all,' to clarify what 'not physically active at all' means.
4. Compare the given answer choices (three-fourths, one-third, one-half, one-fourth) with the known data or research summaries to determine which proportion best matches the group that is completely inactive.
5. Conclude that the proportion of adults who are not physically active at all is approximately one-fourth, based on the research consensus.