Figure 17-3

question 432

Multiple Choice

Figure 17-3. Hector and Bart are roommates. On a particular day, their apartment needs to be cleaned. Each person has to decide whether to take part in cleaning. At the end of the day, either the apartment will be completely clean (if one or both roommates take part in cleaning) , or it will remain dirty (if neither roommate cleans) . With happiness measured on a scale of 1 (very unhappy) to 10 (very happy) , the possible outcomes are as follows:
-Refer to Figure 17-3. If this game is played only once, then the most likely outcome is that

• A)Hector and Bart both clean.
• B)Hector cleans and Bart does not clean.
• C)Bart cleans and Hector does not clean.
• D)neither Hector nor Bart cleans.

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Definitions:

Placebos

Inert substances or treatments used in controlled experiments to test the efficacy of another substance or treatment.

Randomized

A method or process in which individuals or elements are selected randomly for participation in a trial or study to ensure fairness and objectivity.

Clinical Trial

A research study conducted with human volunteers to evaluate the safety and effectiveness of medical interventions.

Retrospective Study

A research approach that examines existing data or records to study outcomes that have already occurred.