If I wanted to measure the variability in a set of scores (Xs), I would calculate ______.
a. the standard error of the mean 
b. the standard deviation (s)
c. z-scores
d. the t-statistic
b. the standard deviation (s)
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The ____________________ coating protects the transfer of information from one neuron to another
Fill in the blank(s) with the appropriate word(s).
Jin is completing his associate’s degree in criminal justice. His major requires students to work alongside a professional in criminal justice during their last term. This is called _____.
A. service learning B. cooperative learning C. internship D. none of these is correct
Consider the following statement: "The student will understand the connection between geometry and probability." Which of the following most accurately classifies the statement?
a) A belief. b) An objective. c) A goal. d) A guideline. e) A philosophy.
Robert continues to improve in spelling because he has been receiving happy-face stickers when his scores on spelling quizzes improve. Of the following, which is the best description of the happy-face stickers?
a. They are positive reinforcers. b. They are negative reinforcers. c. They are conditioned stimuli. d. They are forms of response cost.