A Researcher Is Testing the Effectiveness of a New Math

question 346

Multiple Choice

A researcher is testing the effectiveness of a new math program. The extraneous variables, such as temperature and lighting, will best be controlled by

• A)randomly assigning students to rooms of varying temperature and light intensity.
• B)randomly selecting the rooms in which the students will be taught.
• C)making the temperature and the amount of light the same for all the rooms.
• D)letting the students select the room temperature and lighting in which they are most comfortable.

---

Definitions:

Quality of Life

A multi-dimensional concept that refers to an individual's overall well-being and satisfaction with life, encompassing personal, social, economic, and environmental aspects.

Managers Treat

The approach or manner in which managers deal with their employees, including leadership style and decision-making processes.

Psychological Contract

An unwritten agreement that shapes the perceptions, beliefs, and expectations of the mutual obligations between an employer and employee.

Contributions

Efforts or offers made by individuals or groups towards achieving a common goal or improving a situation.