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.

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Definitions:

Technology Personality

The characteristic patterns of thought, feeling, and behavior that make a person's relationship with technology unique.

Judging Scale

A tool or system used to evaluate or assess the quality, value, or extent of something based on specific criteria.

Myers-Briggs Type

A personality categorization system based on preferences in how people perceive the world and make decisions.

Gantt Charts

Visual project management tools used to schedule and track the progress of tasks and projects over time, displaying activities against a timeline.