Which Change in the Sample Selection Procedure of a Study

question 17

Multiple Choice

Which change in the sample selection procedure of a study involving continuous handrail support, oxygen uptake, and heart rate in women during submaximal step treadmill exercise would have the greatest impact on increasing the generalizability of the results?

• A) Increasing the sample size
• B) Including subjects who smoke in the study
• C) Having a true control group rather than having subjects serve as their own controls
• D) Expanding the sample population to include equal numbers of women who were moderately fit and highly fit

---

Definitions:

Standard Run

A term used to describe a typical or routine operation or production process without any special modifications or enhancements.

Inventory

A detailed list of items in stock or the total value of these items for a business.

Better Business Bureau

An organization focused on advancing marketplace trust, consisting of independently incorporated local BBB organizations in the US and Canada, which review businesses, charities, and advertisements for authenticity and ethical conduct.

National Charity Seal

A designation awarded to charitable organizations that meet certain standards of transparency, accountability, and effectiveness, serving as a mark of distinction.