A researcher compares the amount of debt (in dollars) that undergraduate students incur to earn a 4-year degree. College debt is on what scale of measurement?
A. nominal
B. ordinal
C. interval
D. ratio
Answer: D
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In this formula, Population mean = 
what does the N stand for?
A. the total number of scores B. sample population C. population mean D. population distribution
Drawings that represent the areas taken up by the various body parts on the somatosensory cortex appear distorted because they are based on which of the following aspects regarding these body parts?
a. size. b. sensitivity. c. coordination. d. dexterity.
What is the typical maximum number of chunks of information that can be held in short-term memory?
a. seven c. four b. ten d. none of these
Which of the following characterizes the relationship between brain serotonin and aggression?
a. Engaging in predation releases serotonin b. Increased serotonin activity inhibits aggression c. Decreased serotonin activity inhibits aggression d. Engaging in aggression releases serotonin in the brain