# FREE UCAT Decision Making Questions and Answers

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#### Clark, Sam, Drake, Rosie, and Mary each own one automobile. The vehicles are either red, blue, or green in color. Three cars are hatchbacks, while the others are sedans. All of the sedans are green. Hatchbacks are either blue or red. Mary and Clark do not have a hatchback. Only Drake, not Sam or Rosie, drives a blue automobile. Which of the following assertions is accurate?

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Employees are promoted based on their performance ratings. A corporation assesses all of its employees' bonus allocations on a scale of 1 to 4. One is the highest, while four is the lowest. Employees can only be promoted after three years of service in the same position. To get a bonus payment, all employees, including those eligible for promotion, must receive a rating of 1 or 2.

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#### There are numerous animals that reside in the forest. The majority of the animals are foxes, while few are bears.

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This statement accurately reflects that there are foxes and bears living in the jungle without making any claims about exclusivity or the relative population sizes of the two species. Additionally, the statement does not exclude the possibility of other animals living in the jungle. Therefore, it is the most accurate and comprehensive answer based on the given information.

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#### A study looked into how a new medicine affected blood pressure in hypertensive patients. The trial included 100 people, with 50 receiving the new medicine and 50 receiving a placebo. Following eight weeks of treatment, the researchers assessed each participant's blood pressure decrease from baseline. Which of the following accurately defines the independent variable in this study?

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In experimental research, the independent variable is the factor that the researcher manipulates or controls to observe its effect on the dependent variable. In this study, the researchers are investigating the effects of a new medication on blood pressure, so the independent variable is the treatment received by the participants (either the new medication or a placebo). The dependent variable is the change in blood pressure from baseline, as it is the outcome that is being measured and expected to be influenced by the treatment. Therefore, option B is the correct answer.

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