Robinson Manipulates Two Variables in His Experimental Investigation of Test-Taking

question 11

Multiple Choice

Robinson manipulates two variables in his experimental investigation of test-taking performance: the number of participants seated in the room and the room temperature. He finds that regardless of the temperature in the room, participants do better on the test when the room is less crowded. Which of the following statements about this study is true?

• A) There are two independent variables in this study.
• B) There is one independent variable in this study.
• C) There are two dependent variables in this study.
• D) none of these

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Cognitive Psychology

The branch of psychology that studies mental processes including how people think, perceive, remember, and learn.

Social Psychology

The scientific study of how individuals think, feel, and behave in the context of social interactions and how they are influenced by the actual or implied presence of others.

Scientific Method

A systematic and logical approach to discovering how things in the universe work, involving observation, hypothesis formulation, experimentation, and conclusion.

Margin of Error

A statistic expressing the amount of random sampling error in a survey's results, indicating how much the survey results may deviate from the actual population values.