Professor Todd Decides to Test Her Hypothesis That Eating Chocolate

question 98

Multiple Choice

Professor Todd decides to test her hypothesis that eating chocolate prior to exams increases students' test scores. She randomly assigns students to two groups at the beginning of the semester. One group receives a bar of chocolate before each test, while the other group receives another type of candy. She compares their scores at the end of the year, and finds that the students who ate the chocolate scored an average of ten points higher on their exams. What is the dependent variable in this experiment?

• A)Students' test scores
• B)Chocolate bars
• C)The students themselves
• D)The professor

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Definitions:

Medical Treatment Trial

A research study conducted to evaluate the effectiveness and safety of medications or medical devices by monitoring their effects on large groups of people.

Typical Antipsychotic

Typical antipsychotic refers to a class of medications primarily used to treat psychosis, including schizophrenia, characterized by their dopamine antagonist properties.

Neurotransmitter

Chemical found in the synaptic vesicles that, when released, has an effect on the next cell.

Tardive Dyskinesia

A neurological disorder characterized by involuntary, repetitive body movements, often resulting from long-term use of antipsychotic medication.