You Have Just Received an A+ on Your Math Exam

question 16

Multiple Choice

You have just received an A+ on your math exam and you are feeling great about it! The neurotransmitter causing this effect is

• A) acetylcholine.
• B) epinephrine.
• C) an endorphin.
• D) serotonin.
• E) possibly more than one of these.

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Definitions:

Proportion

A part or fraction of a whole, typically expressed as a percentage or ratio.

Anecdotal Evidence

Information based on personal accounts, stories, or experiences, rather than on scientifically collected data or statistics.

Observational Study

A study wherein researchers observe and record data without manipulating any variables, in contrast to an experimental study.

Matched Pairs

A study design in which subjects are paired based on specific characteristics, with one in each pair receiving treatment and the other not.