The Substance Known as __________ Has Been Implicated in the Development

question 203

Multiple Choice

The substance known as __________ has been implicated in the development of schizophrenic symptoms.

• A) melatonin
• B) norepinephrine
• C) serotonin
• D) dopamine

---

Definitions:

Percentiles

A method of comparing raw scores to a norm group by calculating the percentage of people falling below an obtained score, with ranges from 1 to 99, and 50 being the mean.

Z-Scores

A standardized score that indicates the number of standard deviations a raw score is above or below the mean.

Raw Score Distribution

The unadjusted scores of all participants in a study or on a test, displayed in the form of a distribution to analyze general trends.

Percentile Rank

A score indicating the percentage of scores in its frequency distribution that are equal to or lower than it, providing a relative position of an individual's score in a group.