A Researcher Studies the Effect of Exercise on Stamina

question 47

Multiple Choice

A researcher studies the effect of exercise on stamina. Participants are randomly assigned to be in an exercise or no-exercise group for 12 weeks. Stamina is then measured by how long participants can walk comfortably on a treadmill. In this study, the dependent variable is

• A) the number of minutes participants spend comfortably on the treadmill.
• B) whether the participants are in the exercise program or not.
• C) the heart rate during the exercise program.
• D) whether the duration of the exercise program is 12 weeks or longer.

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Definitions:

Microprocessor

A compact integrated circuit designed to perform the operations and functions of a computer's central processing unit (CPU).

Eight-Bit String

A sequence of data that is eight bits long, often representing a single character in text encoding systems like ASCII.

Byte

A unit of data that typically represents a single character of text in digital computing and storage.

Thin Client

A lightweight computer that is designed to connect to a server-based computing environment rather than operate as an independent workstation.